TWI388540B - An alkoxide, a film-forming raw material, and a method for producing a film - Google Patents
An alkoxide, a film-forming raw material, and a method for producing a film Download PDFInfo
- Publication number
- TWI388540B TWI388540B TW094104917A TW94104917A TWI388540B TW I388540 B TWI388540 B TW I388540B TW 094104917 A TW094104917 A TW 094104917A TW 94104917 A TW94104917 A TW 94104917A TW I388540 B TWI388540 B TW I388540B
- Authority
- TW
- Taiwan
- Prior art keywords
- film
- alkoxide
- raw material
- group
- compound
- Prior art date
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- 150000004703 alkoxides Chemical class 0.000 title claims description 51
- 239000002994 raw material Substances 0.000 title claims description 47
- 238000004519 manufacturing process Methods 0.000 title claims description 35
- 239000010408 film Substances 0.000 claims description 90
- 125000000217 alkyl group Chemical group 0.000 claims description 35
- 125000004432 carbon atom Chemical group C* 0.000 claims description 33
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 230000008016 vaporization Effects 0.000 claims description 20
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical group [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 19
- 229910052707 ruthenium Inorganic materials 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 9
- 229910052805 deuterium Inorganic materials 0.000 claims description 6
- 125000004431 deuterium atom Chemical group 0.000 claims description 6
- 125000005843 halogen group Chemical group 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 5
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 2
- -1 alcohol compound Chemical class 0.000 description 54
- 150000001875 compounds Chemical class 0.000 description 50
- 238000000034 method Methods 0.000 description 36
- 238000005229 chemical vapour deposition Methods 0.000 description 35
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 34
- 229910052719 titanium Inorganic materials 0.000 description 34
- 239000010936 titanium Substances 0.000 description 34
- 239000002243 precursor Substances 0.000 description 32
- 239000000203 mixture Substances 0.000 description 25
- 230000000052 comparative effect Effects 0.000 description 23
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 22
- 239000007789 gas Substances 0.000 description 21
- 239000002904 solvent Substances 0.000 description 20
- 239000007788 liquid Substances 0.000 description 18
- 235000019441 ethanol Nutrition 0.000 description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 15
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 14
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 14
- 238000011156 evaluation Methods 0.000 description 14
- 239000002131 composite material Substances 0.000 description 13
- 239000003446 ligand Substances 0.000 description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 11
- 229910052786 argon Inorganic materials 0.000 description 11
- 238000006864 oxidative decomposition reaction Methods 0.000 description 11
- 239000011734 sodium Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 10
- IIEWJVIFRVWJOD-UHFFFAOYSA-N ethylcyclohexane Chemical compound CCC1CCCCC1 IIEWJVIFRVWJOD-UHFFFAOYSA-N 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 10
- 229910052712 strontium Inorganic materials 0.000 description 10
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 10
- 238000009834 vaporization Methods 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 229910052708 sodium Inorganic materials 0.000 description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 8
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 8
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 8
- 239000013110 organic ligand Substances 0.000 description 8
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 8
- 229910052726 zirconium Inorganic materials 0.000 description 8
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 7
- 238000000231 atomic layer deposition Methods 0.000 description 7
- 238000000151 deposition Methods 0.000 description 7
- 238000004821 distillation Methods 0.000 description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 6
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 229910052787 antimony Inorganic materials 0.000 description 6
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 6
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 6
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 6
- 229940125904 compound 1 Drugs 0.000 description 6
- 239000003960 organic solvent Substances 0.000 description 6
- 229910052762 osmium Inorganic materials 0.000 description 6
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 229910052715 tantalum Inorganic materials 0.000 description 6
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 6
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 5
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 5
- 229910052797 bismuth Inorganic materials 0.000 description 5
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 5
- 229940125782 compound 2 Drugs 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 5
- 229910052746 lanthanum Inorganic materials 0.000 description 5
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 125000004430 oxygen atom Chemical group O* 0.000 description 5
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- PAMIQIKDUOTOBW-UHFFFAOYSA-N 1-methylpiperidine Chemical compound CN1CCCCC1 PAMIQIKDUOTOBW-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 229910052684 Cerium Inorganic materials 0.000 description 4
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 4
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 4
- 239000007983 Tris buffer Substances 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- UHOVQNZJYSORNB-MZWXYZOWSA-N benzene-d6 Chemical compound [2H]C1=C([2H])C([2H])=C([2H])C([2H])=C1[2H] UHOVQNZJYSORNB-MZWXYZOWSA-N 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 4
- 229910000420 cerium oxide Inorganic materials 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 4
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- TXGJTWACJNYNOJ-UHFFFAOYSA-N hexane-2,4-diol Chemical compound CCC(O)CC(C)O TXGJTWACJNYNOJ-UHFFFAOYSA-N 0.000 description 4
- 229910052741 iridium Inorganic materials 0.000 description 4
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 4
- 150000002576 ketones Chemical class 0.000 description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 4
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- FTFYDDRPCCMKBT-UHFFFAOYSA-N 1-butylcyclopenta-1,3-diene Chemical compound CCCCC1=CC=CC1 FTFYDDRPCCMKBT-UHFFFAOYSA-N 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 3
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 3
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 3
- WMOHXRDWCVHXGS-UHFFFAOYSA-N [La].[Ce] Chemical compound [La].[Ce] WMOHXRDWCVHXGS-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 150000001414 amino alcohols Chemical class 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000012300 argon atmosphere Substances 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 3
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 3
- 125000005265 dialkylamine group Chemical group 0.000 description 3
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
- 238000000921 elemental analysis Methods 0.000 description 3
- 150000004820 halides Chemical class 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- 150000002391 heterocyclic compounds Chemical class 0.000 description 3
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 3
- 229910017053 inorganic salt Inorganic materials 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000012434 nucleophilic reagent Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 125000004115 pentoxy group Chemical group [*]OC([H])([H])C([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 3
- 229920000768 polyamine Polymers 0.000 description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 3
- 239000012048 reactive intermediate Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 2
- QEGNUYASOUJEHD-UHFFFAOYSA-N 1,1-dimethylcyclohexane Chemical compound CC1(C)CCCCC1 QEGNUYASOUJEHD-UHFFFAOYSA-N 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- 229940035437 1,3-propanediol Drugs 0.000 description 2
- AVFZOVWCLRSYKC-UHFFFAOYSA-N 1-methylpyrrolidine Chemical compound CN1CCCC1 AVFZOVWCLRSYKC-UHFFFAOYSA-N 0.000 description 2
- AKPLTHZVVWBOPT-UHFFFAOYSA-N 2,2-diethylbutane-1,3-diol Chemical compound CCC(CC)(CO)C(C)O AKPLTHZVVWBOPT-UHFFFAOYSA-N 0.000 description 2
- HPYNZHMRTTWQTB-UHFFFAOYSA-N 2,3-dimethylpyridine Chemical compound CC1=CC=CN=C1C HPYNZHMRTTWQTB-UHFFFAOYSA-N 0.000 description 2
- KBPCCVWUMVGXGF-UHFFFAOYSA-N 2,6-dimethylheptane Chemical compound CC(C)CCCC(C)C KBPCCVWUMVGXGF-UHFFFAOYSA-N 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- DSKYSDCYIODJPC-UHFFFAOYSA-N 2-butyl-2-ethylpropane-1,3-diol Chemical compound CCCCC(CC)(CO)CO DSKYSDCYIODJPC-UHFFFAOYSA-N 0.000 description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 2
- 125000003229 2-methylhexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- KDSNLYIMUZNERS-UHFFFAOYSA-N 2-methylpropanamine Chemical compound CC(C)CN KDSNLYIMUZNERS-UHFFFAOYSA-N 0.000 description 2
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical compound OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 description 2
- HCFAJYNVAYBARA-UHFFFAOYSA-N 4-heptanone Chemical compound CCCC(=O)CCC HCFAJYNVAYBARA-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- AHVYPIQETPWLSZ-UHFFFAOYSA-N N-methyl-pyrrolidine Natural products CN1CC=CC1 AHVYPIQETPWLSZ-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 2
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229940058905 antimony compound for treatment of leishmaniasis and trypanosomiasis Drugs 0.000 description 2
- 150000001463 antimony compounds Chemical class 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 150000001622 bismuth compounds Chemical group 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229940126214 compound 3 Drugs 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
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- 238000010438 heat treatment Methods 0.000 description 1
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- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 1
- NGAZZOYFWWSOGK-UHFFFAOYSA-N heptan-3-one Chemical compound CCCCC(=O)CC NGAZZOYFWWSOGK-UHFFFAOYSA-N 0.000 description 1
- ILPNRWUGFSPGAA-UHFFFAOYSA-N heptane-2,4-dione Chemical compound CCCC(=O)CC(C)=O ILPNRWUGFSPGAA-UHFFFAOYSA-N 0.000 description 1
- DGCTVLNZTFDPDJ-UHFFFAOYSA-N heptane-3,5-dione Chemical compound CCC(=O)CC(=O)CC DGCTVLNZTFDPDJ-UHFFFAOYSA-N 0.000 description 1
- SDAXRHHPNYTELL-UHFFFAOYSA-N heptanenitrile Chemical compound CCCCCCC#N SDAXRHHPNYTELL-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- 150000002601 lanthanoid compounds Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- NBTOZLQBSIZIKS-UHFFFAOYSA-N methoxide Chemical compound [O-]C NBTOZLQBSIZIKS-UHFFFAOYSA-N 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- NFWSQSCIDYBUOU-UHFFFAOYSA-N methylcyclopentadiene Chemical compound CC1=CC=CC1 NFWSQSCIDYBUOU-UHFFFAOYSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- GVWISOJSERXQBM-UHFFFAOYSA-N n-methylpropan-1-amine Chemical compound CCCNC GVWISOJSERXQBM-UHFFFAOYSA-N 0.000 description 1
- XHFGWHUWQXTGAT-UHFFFAOYSA-N n-methylpropan-2-amine Chemical compound CNC(C)C XHFGWHUWQXTGAT-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- GJYXGIIWJFZCLN-UHFFFAOYSA-N octane-2,4-dione Chemical compound CCCCC(=O)CC(C)=O GJYXGIIWJFZCLN-UHFFFAOYSA-N 0.000 description 1
- BTNXBLUGMAMSSH-UHFFFAOYSA-N octanedinitrile Chemical compound N#CCCCCCCC#N BTNXBLUGMAMSSH-UHFFFAOYSA-N 0.000 description 1
- 125000005447 octyloxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229950006800 prenderol Drugs 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- OGHBATFHNDZKSO-UHFFFAOYSA-N propan-2-olate Chemical compound CC(C)[O-] OGHBATFHNDZKSO-UHFFFAOYSA-N 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 description 1
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- 125000005409 triarylsulfonium group Chemical group 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 1
- NRZWQKGABZFFKE-UHFFFAOYSA-N trimethylsulfonium Chemical compound C[S+](C)C NRZWQKGABZFFKE-UHFFFAOYSA-N 0.000 description 1
- WLOQLWBIJZDHET-UHFFFAOYSA-N triphenylsulfonium Chemical compound C1=CC=CC=C1[S+](C=1C=CC=CC=1)C1=CC=CC=C1 WLOQLWBIJZDHET-UHFFFAOYSA-N 0.000 description 1
- 239000012953 triphenylsulfonium Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/02—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C215/04—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated
- C07C215/06—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated and acyclic
- C07C215/08—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated and acyclic with only one hydroxy group and one amino group bound to the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/04—Esters of silicic acids
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/401—Oxides containing silicon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/405—Oxides of refractory metals or yttrium
-
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
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- H01L21/02148—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing silicon and at least one metal element, e.g. metal silicate based insulators or metal silicon oxynitrides the material containing hafnium, e.g. HfSiOx or HfSiON
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- H—ELECTRICITY
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- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02181—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing hafnium, e.g. HfO2
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02192—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing at least one rare earth metal element, e.g. oxides of lanthanides, scandium or yttrium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
- H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
- H01L21/02214—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and oxygen
- H01L21/02216—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and oxygen the compound being a molecule comprising at least one silicon-oxygen bond and the compound having hydrogen or an organic group attached to the silicon or oxygen, e.g. a siloxane
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
- H01L21/02219—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and nitrogen
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- H—ELECTRICITY
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- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/314—Inorganic layers
- H01L21/316—Inorganic layers composed of oxides or glassy oxides or oxide based glass
- H01L21/31604—Deposition from a gas or vapour
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
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Description
本發明係關於一種將特定之胺基醇作為配位體之新穎的烷氧化物(矽烷氧化物、鉿烷氧化物),含有該烷氧化物之薄膜形成用原料,以及含有使用有該薄膜形成用原料之矽以及/或鉿之薄膜之製造方法。
含有矽或鉿之薄膜主要作為高介電體電容器、強介電體電容器、閘極絕緣膜、障壁膜等電子零件之部件而使用。
作為上述薄膜之製造法,可列舉火焰堆積法、濺鍍法、離子電鍍法、塗布熱分解法或溶膠-凝膠法等MOD法、化學氣相沉積(以下,亦僅記為CVD)法等,但因具有組成控制性以及階差被覆性優良、適於量產化、可混合集成等較多優點,故而包含ALD(Atomic Layer Deposition,原子層沉積)法之化學氣相沉積法為最適合之製造方法。
MOD法或CVD法中,作為向薄膜提供矽或金屬之前驅體,使用有有機配位體之化合物。至於有機配位體,報告有適合於賦予較大之蒸汽壓,藉由CVD製造薄膜之末端具有醚基或二烷基胺基的醇類。關於矽,於專利文獻1中揭示有將末端具有烷氧基之醇類作為配位體之矽烷氧化物。又,將末端具有作為配位於金屬原子之供體基的胺基之醇類作為配位體使用之金屬化合物,於專利文獻2以及專利文獻3中揭示有鈦化合物以及鋯化合物,於非專利文獻1中揭示有鑭系化合物。
關於矽以及鉿,於專利文獻4中揭示有將1級胺基醇作為配位體之烷氧化物。
專利文獻1:日本專利特開平6-321824號公報專利文獻2:日本專利特開2000-351784號公報專利文獻3:日本專利特開2003-119171號公報專利文獻4:韓國公開專利2003-74986號公報非專利文獻1:Inorganic Chemistry, Vol.36, No.16, 1997, p3545-3552。
於CVD法等使化合物汽化而形成薄膜之方法中所使用之原料之適宜化合物(前驅體)所要求之性質係熔點較低且可以液體狀態輸送,以及蒸汽壓較大易於汽化者。又,使用於多成分系之薄膜製造之情形時,要求混合時或保存時不會因配位體交換或化學反應而變質,且具有類似藉由熱以及/或氧化而薄膜堆積時之分解動作。關於矽以及鉿,無法獲得充分滿足該等方面之化合物。
本發明者等反覆研究之結果為,發現將特定之胺基醇作為配位體使用之烷氧化物可解決上述問題,從而達成本發明。
即,本發明提供一種以下述一般式(I)表示之烷氧化物,含有該烷氧化物之薄膜形成用原料,以及將汽化該薄膜形成用原料而獲得之含有烷氧化物的蒸汽導入基材上,將其加以分解以及/或化學反應而於基材上形成含有矽以及/或鉿之薄膜的薄膜製造方法。
(式中,R1
以及R2
中一個表示碳數1~4之烷基,另一個表示氫原子或碳數1~4之烷基,R3
以及R4
表示碳數1~4之烷基,A表示碳數1~8之烷二基,M表示矽原子或鉿原子,n表示4)。
本發明之烷氧化物係以上述一般式(I)表示者,作為CVD法或ALD法等具有汽化步驟之薄膜製造方法的前驅體者特別好。
上述一般式(I)中,M為矽原子之矽烷氧化物與眾所周知之矽烷氧化物相比,藉由熱以及/或氧之分解性較大,相對於化學反應之穩定性較大。又,蒸汽壓亦大於類似構造之將1級胺基醇作為配位體之烷氧化物。因此,於單獨使用之情形下,薄膜製造中能量性優秀,又,與其他前驅體併用之情形下,因易於配合分解動作,故而薄膜組成之控制方面較優秀。進而,可混合使用等,於操作方面亦優秀。
上述一般式(I)中,M為鉿原子之鉿烷氧化物與眾所周知之鉿烷氧化物相比,藉由熱以及/或氧之分解性同等或良好,相對於化學反應之穩定性較大。又,蒸汽壓亦大於類似構造之將1級胺基醇作為配位體之烷氧化物。因此,於單獨使用之情形下,薄膜製造中能量性優秀,又,與其他前驅體併用之情形下,因易於配合分解動作,故而於薄膜組成之控制方面較優秀。進而,可混合使用等,於操作方面亦優秀。
上述一般式(I)中,作為以R1
、R2
、R3
以及R4
所表示之碳數1~4之烷基,可列舉甲基、乙基、丙基、異丙基、丁基、第2丁基、第3丁基、異丁基。又,上述一般式(I)中以A表示之烷二基若係碳數合計為1~8者,則可為直鏈,亦可於任意位置上具有1個以上之分枝。作為該烷二基,較好的是於作為末端之供體基之二烷基胺基配位於矽原子或鉿原子時,具有能量性穩定之構造,即5員環或6員環構造的基。作為較好之烷二基,可列舉下述一般式(Ⅱ)所表示之基。又,本發明之烷氧化物亦存在具有光學異構體之情形,但並未因該光學異構體而加以區分。
(式中,R5
~R8
表示氫原子或碳數1~4之烷基,x表示0或1,式中碳數合計為1~8)。
下述一般式(Ⅲ)表示配位體中之末端供體基配位於矽原子或鉿原子而形成環構造之情形。本發明之烷氧化物以上述一般式(I)為代表而表示,但並非與下述一般式(Ⅲ)所表示之化合物區分者,為含有兩者之概念。
(式中,R1
以及R2
中一個表示碳數1~4之烷基,另一個表示氫原子或碳數1~4之烷基,R3
以及R4
表示碳數1~4之烷基,A表示碳數1~8之烷二基,M表示矽原子或鉿原子,n表示4)。
作為本發明之烷氧化物之具體例,列舉有下述化合物No.1~No.22。
於具有使化合物汽化之步驟之薄膜製造方法中,使用本發明之烷氧化物之情形時,上述R1
~R4
以及A之分子量較小者蒸汽壓較大,故而較好,具體的是,R1
~R2
較好是氫原子或甲基,R3
~R4
較好是甲基,A較好是亞甲基。又,於藉由未伴隨汽化步驟之MOD法製造薄膜的方法中,使用本發明之烷氧化物之情形時,R1
~R4
以及A可藉由相對於所使用之溶劑之溶解性、薄膜形成反應等而任意選擇。
本發明之烷氧化物並未因其製造方法而受到特別限制,可應用眾所周知之反應加以製造。作為製造方法,可應用使用有相關胺基醇之眾所周知之一般的烷氧化物之合成方法,例如可列舉:使矽或鉿之鹵化物、硝酸鹽等無機鹽或其水合物與相關之醇化合物於鈉、氫化鈉、醯胺鈉、氫氧化鈉、甲醇鈉、氨、胺等鹼之存在下反應之方法,使矽或鉿之鹵化物、硝酸鹽等無機鹽或其水合物與相關之醇化合物之烷醇鈉、烷醇鋰、烷醇鉀等鹼金屬烷醇鹽反應之方法,使矽或鉿之甲醇鹽、乙醇鹽、異丙醇鹽、丁醇鹽等低分子醇類之烷氧化物與相關之醇化合物交換反應之方法,以及使矽或鉿之鹵化物、硝酸鹽等無機鹽與具有反應性中間體之衍生物反應,得到反應性中間體後,使其與相關之醇化合物反應之方法。
作為上述反應性中間體,可列舉四(二烷基胺基)矽、四(雙(三甲基矽烷基)胺基)矽、四(二烷基胺基)鉿、四(雙(三甲基矽烷基)胺基)鉿等矽或鉿之醯胺化合物。
本發明之薄膜形成用原料係含有本發明之烷氧化物作為薄膜之前驅體者,其形態根據適用該薄膜形成用原料之薄膜之製造方法(例如,塗布熱分解法或溶膠-凝膠法等MOD法、包含ALD法之CVD法)而不同。本發明之烷氧化物因其物性,而於薄膜形成用原料中作為CVD用原料特別有用。
本發明之薄膜形成用原料為化學氣相沉積(CVD)用原料之情形下,其形態可藉由所使用之CVD法之輸送供給方法等方法而適當選擇。
作為上述輸送供給方法,有將CVD用原料藉由於原料容器中加熱以及/或減壓而汽化,並與根據需要而使用之氬、氮、氦等運輸氣體一同導入堆積反應部的氣體輸送法,以及將CVD用原料以液體或溶液之狀態輸送至汽化室,於汽化室內加熱以及/或減壓,藉此汽化,並導入至堆積反應部之液體輸送法。於氣體輸送法之情形下,以上述一般式(I)表示之烷氧化物本身為CVD用原料,於液體輸送法之情形下,以上述一般式(I)表示之烷氧化物本身或溶解該化合物於有機溶劑之溶液為CVD用原料。
又,多成分系之CVD法中,有將CVD用原料各成分獨立地汽化、供給之方法(以下,亦記為單獨調製法)與將多成分原料以預先所希望之組成混合之混合原料汽化、供給的方法(以下,亦記為混合調製法)。於混合調製法之情形下,僅本發明之烷氧化物之混合物或混合溶液、或本發明之烷氧化物與其他前驅體之混合物或混合溶液為CVD用原料。
作為於上述CVD用原料中使用之有機溶劑,並無特別限制,可使用眾所周知一般之有機溶劑。作為該有機溶劑,可列舉例如甲醇、乙醇、2-丙醇、n-丁醇等醇類;乙酸乙酯、乙酸丁酯、乙酸甲氧基乙酯等乙酸酯類;乙二醇單甲醚、乙二醇單乙醚、乙二醇單丁醚、二乙二醇單甲醚等醚醇類;四氫呋喃、四氫吡喃、乙二醇二甲醚、二乙二醇二甲醚、三乙二醇二甲醚、二丁醚、二氧雜環己烷等醚類;甲基丁基酮、甲基異丁基酮、乙基丁基酮、二丙基酮、二異丁基酮、甲基戊基酮、環己酮、甲基環己酮等酮類;己烷、環己烷、甲基環己烷、二甲基環己烷、乙基環己烷、庚烷、辛烷、甲苯、二甲苯等烴類;1-氰基丙烷、1-氰基丁烷、1-氰基己烷、氰基環己烷、氰基苯、1,3-二氰基丙烷、1,4-二氰基丁烷、1,6-二氰基己烷、1,4-二氰基環己烷、1,4-二氰基苯等含有氰基之烴類;吡啶、二甲基吡啶;根據溶質之溶解性、使用溫度與沸點、燃點之關係等,該等可單獨使用或作為二種類以上之混合溶劑使用。使用該等有機溶劑之情形時,該有機溶劑中本發明之烷氧化物以及其他前驅體之合計量較好是0.01~2.0莫耳/升,特別好的是0.05~1.0莫耳/升。
又,多成分系之CVD法之情形下,作為與本發明之烷氧化物一同使用之其他前驅體,並無特別限制,可使用CVD用原料中所使用之眾所周知一般前驅體。
作為上述其他前驅體,可列舉選自由醇化合物、二醇化合物、β-二酮化合物、環戊二烯化合物以及有機胺化合物等作為有機配位體使用之化合物所組成之群中之一種或兩種以上與矽或金屬的化合物。又,作為前驅體之金屬種,可列舉鎂、鈣、鍶、鋇、鈦、鋯、鉿、釩、鈮、鉭、錳、鐵、釕、鈷、銠、銥、鎳、鈀、鉑、銅、銀、金、鋅、鎵、銦、鍺、錫、鉛、銻、鉍、釔、鑭、鈰、鐠、釹、鉕、釤、銪、釓、鋱、鏑、鈥、鉺、銩、鐿。
至於作為上述有機配位體而使用之醇化合物,可列舉甲醇、乙醇、丙醇、異丙醇、丁醇、2-丁醇、異丁醇、第3丁醇、戊醇、異戊醇、第3戊醇等烷醇類;2-甲氧基乙醇、2-乙氧基乙醇、2-丁氧基乙醇、2-(2-甲氧基乙氧基)乙醇、2-甲氧基-1-甲基乙醇、2-甲氧基-1,1-二甲基乙醇、2-乙氧基-1,1-二甲基乙醇、2-異丙氧基-1,1-二甲基乙醇、2-丁氧基-1,1-二甲基乙醇、2-(2-甲氧基乙氧基)-1,1-二甲基乙醇、2-丙氧基-1,1-二乙基乙醇、2-第2丁氧基-1,1-二乙基乙醇、3-甲氧基-1,1-二甲基丙醇等醚醇類;具有本發明之烷氧化物之二烷基胺基醇等。
至於作為上述有機配位體而使用之二醇化合物,可列舉1,2-乙二醇、1,2-丙二醇、1,3-丙二醇、2,4-己二醇、2,2-二甲基-1,3-丙二醇、2,2-二乙基-1,3-丙二醇、1,3-丁二醇、2,4-丁二醇、2,2-二乙基-1,3-丁二醇、2-乙基-2-丁基-1,3-丙二醇、2,4-戊二醇、2-甲基-1,3-丙二醇、2-甲基-2,4-戊二醇、2,4-己二醇、2,4-二甲基-2,4-戊二醇等。
至於作為上述有機配位體而使用之β-二酮化合物,可列舉乙醯基丙酮、己烷-2,4-二酮、5-甲基己烷-2,4-二酮、庚烷-2,4-二酮、2-甲基庚烷-3,5-二酮、5-甲基庚烷-2,4-二酮、6-甲基庚烷-2,4-二酮、2,2-二甲基庚烷-3,5-二酮、2,6-二甲基庚烷-3,5-二酮、2,2,6-三甲基庚烷-3,5-二酮、2,2,6,6-四甲基庚烷-3,5-二酮、辛烷-2,4-二酮、2,2,6-三甲基辛烷-3,5-二酮、2,6-二甲基辛烷-3,5-二酮、2,9-二甲基壬烷-4,6-二酮、2-甲基-6-乙基癸烷-3,5-二酮、2,2-二甲基-6-乙基癸烷-3,5-二酮等烷基取代之β-二酮類;1,1,1-三氟戊烷-2,4-二酮、1,1,1-三氟-5,5-二甲基己烷-2,4-二酮、1,1,1,5,5,5-六氟戊烷-2,4-二酮、1,3-二全氟己基丙烷-1,3-二酮等氟取代之烷基β-二酮類;1,1,5,5-四甲基-1-甲氧基己烷-2,4-二酮、2,2,6,6-四甲基-1-甲氧基庚烷-3,5-二酮、2,2,6,6-四甲基-1-(2-甲氧基乙氧基)庚烷-3,5-二酮等醚取代之β-二酮類等。
至於作為上述有機配位體而使用之環戊二烯化合物,可列舉環戊二烯、甲基環戊二烯、乙基環戊二烯、丙基環戊二烯、異丙基環戊二烯、丁基環戊二烯、第2丁基環戊二烯、異丁基環戊二烯、第3丁基環戊二烯、二甲基環戊二烯、四甲基環戊二烯等。又,至於作為上述有機配位體而使用之有機胺化合物,可列舉甲基胺、乙基胺、丙基胺、異丙基胺、丁基胺、第2丁基胺、第3丁基胺、異丁基胺、二甲基胺、二乙基胺、二丙基胺、二異丙基胺、乙基甲基胺、丙基甲基胺、異丙基甲基胺等。
上述其他前驅體於單獨調製法之情形下,較好是具有類似熱以及/或氧化分解動作之化合物,於混合調製法之情形下,較好的是除具有類似熱以及/或氧化分解動作以外,混合時不會因化學反應而產生變質者。
作為鈦或鋯之前驅體,例如可列舉含有與本發明之烷氧化物相同配位體之四烷氧基鈦或下述[化6]中所示一般式表示之化合物。
(式中,M1
表示鈦或鋯,Ra
以及Rb
分別獨立地表示可經鹵原子取代亦可於鏈中含有氧原子的碳數1~20之烷基,Rc
表示碳數1~8之烷基,Rd
表示碳數2~18之亦可分枝的伸烷基,Re
以及Rf
表示氫原子或碳數1~3之烷基,Rg
表示碳數1~4之烷基,p表示0~4之整數,q表示0或2,r表示0~3之整數)。
於上述[化6]所示之一般式中,作為Ra
以及Rb
所表示之可經鹵原子取代且亦可於鏈中含有氧原子的碳數1~20之烷基,可列舉甲基、乙基、丙基、異丙基、丁基、第二丁基、第三丁基、異丁基、戊基、異戊基、第二戊基、第三戊基、己基、環己基、1-甲基環己基、庚基、3-庚基、異庚基、第三庚基、n-辛基、異辛基、第三辛基、2-乙基己基、三氟甲基、全氟己基、2-甲氧基乙基、2-乙氧基乙基、2-丁氧基乙基、2-(2-甲氧基乙氧基)乙基、1-甲氧基-1,1-二甲基甲基、2-甲氧基-1,1-二甲基乙基、2-乙氧基-1,1-二甲基乙基、2-異丙氧基-1,1-二甲基乙基、2-丁氧基-1,1-二甲基乙基、2-(2-甲氧基乙氧基)-1,1-二甲基乙基。又,作為Rc
所表示之碳數1~8之烷基,可列舉甲基、乙基、丙基、異丙基、丁基、第二丁基、第三丁基、異丁基、戊基、異戊基、第二戊基、第三戊基、己基、1-乙基戊基、環己基、1-甲基環己基、庚基、異庚基、第三庚基、n-辛基、異辛基、第三辛基、2-乙基己基。又,Rd
所表示之碳數2~18之亦可分枝的伸烷基係藉由二醇所賦予之基,作為該二醇,可列舉例如1,2-乙二醇、1,2-丙二醇、1,3-丙二醇、1,3-丁二醇、2,4-己二醇、2,2-二甲基-1,3-丙二醇、2,2-二乙基-1,3-丙二醇、2,2-二乙基-1,3-丁二醇、2-乙基-2-丁基-1,3-丙二醇、2,4-戊二醇、2-甲基-1,3-丙二醇、1-甲基-2,4-戊二醇等。又,作為Re
以及Rf
所表示之碳數1~3之烷基,可列舉甲基、乙基、丙基、2-丙基,作為Rg
所表示之碳數1~4之烷基,可列舉甲基、乙基、丙基、異丙基、丁基、第二丁基、第三丁基、異丁基。
具體的是,作為鈦前驅體,可列舉四(乙氧基)鈦、四(2-丙氧基)鈦、四(丁氧基)鈦、四(第2丁氧基)鈦、四(異丁氧基)鈦、四(第3丁氧基)鈦、四(第3戊基)鈦、四(1-甲氧基-2-甲基-2-丙氧基)鈦等四烷氧基鈦類;四(戊烷-2,4-二酸)鈦、(2,6-二甲基庚烷-3,5-二酸)鈦、四(2,2,6,6-四甲基庚烷-3,5-二酸)鈦等四β-二酮酸鈦類;雙(甲氧基)雙(戊烷-2,4-二酸)鈦、雙(乙氧基)雙(戊烷-2,4-二酸)鈦、雙(第3丁氧基)雙(戊烷-2,4-二酸)鈦、雙(甲氧基)雙(2,6-二甲基庚烷-3,5-二酸)鈦、雙(乙氧基)雙(2,6-二甲基庚烷-3,5-二酸)鈦、雙(2-丙氧基)雙(2,6-二甲基庚烷-3,5-二酸)鈦、雙(第3丁氧基)雙(2,6-二甲基庚烷-3,5-二酸)鈦、雙(第3戊氧基)雙(2,6-二甲基庚烷-3,5-二酸)鈦、雙(甲氧基)雙(2,2,6,6-四甲基庚烷-3,5-二酸)鈦、雙(乙氧基)雙(2,2,6,6-四甲基庚烷-3,5-二酸)鈦、雙(2-丙氧基)雙(2,6,6,6-四甲基庚烷-3,5-二酸)鈦、雙(第3丁氧基)雙(2,2,6,6-四甲基庚烷-3,5-二酸)鈦、雙(第3戊氧基)雙(2,2,6,6-四甲基庚烷-3,5-二酸)鈦等雙(烷氧基)雙(β二酮酸)鈦類;(2-甲基戊烷二氧基)雙(2,2,6,6-四甲基庚烷-3,5-二酸)鈦、(2-甲基戊烷二氧基)雙(2,6-二甲基庚烷-3,5-二酸)鈦等二醇基雙(β二酮酸)鈦類等,作為鋯前驅體,可列舉將作為上述鈦前驅體而例示之化合物之鈦置換為鋯的化合物。
作為鋁前驅體,例如可列舉含有與本發明之烷氧化物相同配位體之三烷氧基鋁或下述[化7]所示一般式表示之化合物。
(式中,L表示具有氮原子或氧原子之5~6員環之配位性雜環化合物,Ra
表示可經鹵原子取代亦可於鏈中含有氧原子之碳數1~20之烷基,Rc
表示碳數1~8之烷基,Re
以及Rf
表示氫原子或碳數1~3之烷基,Rg
表示碳數1~4之烷基,Rh
表示可經鹵原子取代亦可於鏈中含有氧原子之碳數1~20之烷基或碳數1~8之烷氧基,Ri
表示碳數1~4之烷基,p’表示0~3之整數,q’表示0~2之整數,r’表示0~2之整數)。
作為上述[化7]化學式中L所表示之配位性雜環狀化合物,可列舉18-冠狀醚-6、二環己基-18-冠狀醚-6、24-冠狀醚-8、二環己基-24-冠狀醚-8、二苯幷-24-冠狀醚-8等冠醚類;四氮雜環十四烷、四氮雜環十二烷等環狀聚胺類;吡啶、吡咯烷、哌啶、嗎啉、N-甲基吡咯烷、N-甲基哌啶、N-甲基嗎啉、四氫呋喃、四氫吡喃、1,4-二氧雜環己烷、噁唑、噻唑、氧雜硫雜環己烷等,作為Ra
、Rc
、Re
、Rf
以及Rg
,可列舉上述鈦、鋯前驅體所例示之基,作為Rh
所表示之碳數1~8之烷氧基,可列舉甲氧基、乙氧基、丙氧基、異丙氧基、丁氧基、第二丁氧基、第三丁氧基、異丁氧基、戊氧基、異戊氧基、第二戊氧基、第三戊氧基、己氧基、1-乙基戊氧基、環己氧基、1-甲基環己氧基、庚氧基、異庚氧基、第三庚氧基、n-辛氧基、異辛氧基、第三辛氧基、2-乙基己氧基,作為Ri
,可列舉Rg
所例示之基。
作為鉍前驅體,可列舉三苯基鉍、三(o-甲基苯基)鉍、三(m-甲基苯基)鉍、三(p-甲基苯基)鉍等三芳基鉍化合物;三甲基鉍等三烷基鉍化合物;三(2,2,6,6-四甲基庚烷-3,5-二酸)鉍等β-二酮系錯合物;三(環戊二烯基)鉍、三(甲基環戊二烯基)鉍等環戊二烯基錯合物;三(第三丁氧基)鉍、三(第三戊氧基)鉍、三(乙氧基)鉍等之與低分子醇之烷氧化物、下述[化8]所示之一般式所表示的烷氧化物、以及本發明之烷氧化物具有相同配位體之三烷氧基鉍化合物等。
(式中,Rc
以及Rf
表示氫原子或碳數1~3之烷基,Rg
表示碳數1~4之烷基,n表示1或2)。
作為上述[化8]所示之一般式中之Re
、Rf
以及Rg
,可列舉上述鈦前驅體以及鋯前驅體所例示之基。
作為稀土類前驅體,例如可列舉具有與本發明之烷氧化物相同之配位體的三烷氧化物或下述[化9]所示一般式所表示之化合物。
(式中,M2
表示稀土類原子,Ra
以及Rb
表示可經鹵原子取代亦可於鏈中含有氧原子的碳數1~20之烷基,Rc
表示碳數1~8之烷基,Re
以及Rf
表示氫原子或碳數1~3之烷基,Rg
表示碳數1~4之烷基,Rj
表示碳數1~4之烷基,p’表示0~3之整數,r’表示0~2之整數)。
於上述[化9]所示一般式中所表示之稀土類供給源化合物中,作為M2
所表示之稀土類原子,可列舉鈧、釔、鑭、鈰、鐠、銣、鉕、釤、銪、釓、鋱、鏑、鈥、鉺、銩、鐿、鑥,作為Ra
、Rb
、Rc
、Re
、Rf
以及Rg
所表示之基,可列舉上述鈦前驅體以及鋯前驅體中所例示之基,作為Rj
所表示之碳數1~4之烷基,可列舉上述Rg
例示者。
又,上述CVD用原料中,根據需要,為了對本發明之烷氧化物以及其他前驅體賦予穩定性,亦可含有親核性試藥。作為該親核性試藥,可列舉乙二醇二甲醚、二乙二醇二甲醚、三乙二醇二甲醚、四乙二醇二甲醚等乙二醇醚類,18-冠狀醚-6、二環己基-18-冠狀醚-6、24-冠狀醚-8、二環己基-24-冠狀醚-8、二苯幷-24-冠狀醚-8等冠醚類,乙二胺、N,N'-四甲基乙二胺、二伸乙基三胺、三伸乙基四胺、四伸乙基五胺、五伸乙基六胺、1,1,4,7,7-五甲基二伸乙基三胺、1,1,4,7,10,10-六甲基三伸乙基四胺、三乙氧基三伸乙基胺等聚胺類,四氮雜環十四烷、四氮雜環十二烷等環狀聚胺類,吡啶、吡咯烷、哌啶、嗎啉、N-甲基吡咯烷、N-甲基哌啶、N-甲基嗎啉、四氫呋喃、四氫吡喃、1,4-二氧雜環己烷、噁唑、噻唑、氧雜硫雜環己烷等雜環化合物類,乙酸甲酯、乙酸乙酯、乙酸-2-甲氧基乙酯等β-酮酯類,或乙醯基丙酮、2,4-己二酮、2,4-庚二酮、3,5-庚二酮、二(三甲基乙醯基)甲烷等β-二酮類,作為穩定劑之該等親核性試藥,相對於前驅體1莫耳通常於0.1莫耳~10莫耳之範圍內使用,較好是於1~4莫耳範圍內使用。
本發明之薄膜之製造方法係藉由CVD法實施者,該CVD法係將汽化本發明之烷氧化物以及根據需要而使用之其他前驅體的蒸汽、以及根據需要而使用之反應性氣體導入基板上,繼而,使前驅體於基板上分解以及/或產生化學反應,而於基板上生成薄膜並堆積之方法。關於原料之輸送供給方法、堆積方法、製造條件、製造裝置等,並無特別限制,可使用眾所周知一般的條件、方法等。
作為上述根據需要而使用之反應性氣體,例如作為氧化性氣體可舉例有氧、臭氧、二氧化氮、一氧化氮、水蒸汽、過氧化氫、蟻酸、乙酸、乙酸酐等,作為還原性氣體可舉例有氫,又,作為製造氮化物之氣體,可舉例有單烷基胺、二烷基胺、三烷基胺、伸烷基二胺等有機胺化合物,聯胺、氨等。
又,作為上述輸送供給方法,可舉例有上述氣體輸送法、液體輸送法、單獨調製法、混合調製法等。
又,作為上述堆積方法,可舉例有僅藉由熱使原料氣體或原料氣體與反應性氣體反應而堆積薄膜之熱CVD,使用熱以及電漿之電漿CVD,使用熱以及光之光CVD,使用熱、光以及電漿之光電漿CVD,將CVD之堆積反應分解為基本移程,以分子階層實行階段性堆積之ALD(Atomic Layer Deposition,原子層沉積)法。
又,作為上述製造條件,可列舉反應溫度(基板溫度)、反應壓力、堆積速度等。關於反應溫度,使本發明之烷氧化物充分反應之溫度即160℃以上較好,更好是250℃~800℃。又,反應壓力於熱CVD或光CVD之情形下,較好是大氣壓~10 Pa,使用電漿之情形下較好是10~2000 Pa。又,堆積速度可藉由原料之供給條件(汽化溫度、汽化壓力)、反應溫度以及反應壓力而控制。堆積速度因有速度較快時所獲得之薄膜特性會惡化之情形,以及速度較慢時生產性會產生問題之情形,故而較好是0.5~5000 nm/分,更好是1~1000 nm/分。又,ALD之情形下,可根據循環次數加以控制,以獲得所期望之膜厚。
又,本發明之薄膜之製造方法中,薄膜堆積之後,為獲得更良好之電氣特性,亦可於惰性氣體環境下、氧化性氣體環境下或還原性氣體環境下實行退火處理,需要填補階差之情形時,亦可設置軟熔步驟。該情形時之溫度通常為400~1200℃,較好是500~800℃。
藉由使用有本發明之薄膜形成用原料的本發明之薄膜製造方法而得以製造之薄膜可藉由適當選擇其他成分之前驅體、反應性氣體以及製造條件,而製造氧化物陶瓷、氮化物陶瓷、玻璃等業者所希望之種類的薄膜。作為所製造之薄膜之組成,可列舉例如氧化矽、氧化鉿、矽-鈦複合氧化物、矽-鋯複合氧化物、矽-鉿複合氧化物、矽-鉍複合氧化物、鉿-鋁複合氧化物、鉿-稀土類元素複合氧化物、矽-鉍-鈦複合氧化物、矽-鉿-鋁複合氧化物、矽-鉿-稀土類元素複合氧化物、氮化矽、氮化鉿,作為該等薄膜之用途,可列舉有高介電電容器膜、閘極絕緣膜、閘極膜、強介電電容器膜、聚光器膜、障壁膜等電子零件部件,光纖、光導波路、光增幅器、光開關等光學玻璃部件。
以下,藉由製造例、評價例、實施例等對本發明加以更詳細地說明。但是,本發明並不受以下實施例等任何制限。
再者,下述製造例1~3表示本發明之烷氧化物之實施例,於評價例1以及2中,就本發明之烷氧化物以及比較化合物之熱氧化分解性加以評價,評價例3以及4中,就本發明之烷氧化物以及比較化合物之揮發特性加以評價。又,下述實施例1~3表示本發明之薄膜形成用原料之實施例以及本發明之薄膜製造方法之實施例,下述比較例1表示使用並非本發明之烷氧化物之化合物的薄膜形成用原料之實施例以及薄膜製造方法之實施例。
於乾燥氬氣環境下,於反應燒瓶中加入1-二甲胺基-2-丙醇0.687莫耳、實行脫水處理之甲苯500 ml以及鈉0.481莫耳,攪拌直至固體鈉消失為止。使系統內之溫度達到4℃後,於其中滴加乾燥甲苯50 ml與四氯化矽0.1145 mol之混合液。此時,系統內之溫度控制於30℃以下。滴加終了後,於120℃回流27小時。以0.2μm之過濾器過濾反應液後,將藉由減壓餾去而去除溶劑與未反應醇之濃縮液減壓蒸餾。自25~30 Pa、塔頂溫度108~109℃之餾份中以46%收率獲得無色液體。進而藉由減壓蒸餾對其實行精製,獲得無色透明液體。藉由該精製之回收率為95%。所得之無色透明液體鑒定為目的物即化合物No.1。以下表示關於所獲得之無色透明液體之分析值。
(分析值)(1)元素分析(金屬分析:ICP-AES)矽;6.49質量%(理論值6.43%),Na;1 ppm未滿,Cl;5 ppm未滿(2)1
H-NMR(溶劑:氘化苯)(化學位移:多重度:H數)(1.46:d:12)(2.18:s:24)(2.27:m:4)(2.53:m:4)(4.44:m:4)(3)TG-DTA(Ar100 ml/min、10℃/min升溫、樣品量7.762 mg)減少50質量%時之溫度217℃
於乾燥氬氣環境下,於反應燒瓶中加入1-二甲胺基-2-甲基-2-丙醇0.687莫耳、實行脫水處理之甲苯500 ml以及鈉0.481莫耳,攪拌直至固體鈉消失為止。使系統內之溫度達到4℃後,於其中滴加乾燥甲苯50 ml與四氯化矽0.1145 mol之混合液。此時,系統內之溫度控制於30℃以下。滴加終了後,於120℃回流27小時。將反應液以0.2μm之過濾器過濾後,將藉由減壓餾而去除溶劑與未反應醇之濃縮液減壓蒸餾。自25~30 Pa、塔頂溫度115~118℃之餾份中以52%收率獲得無色液體。就其進而藉由減壓蒸餾實行精製,獲得無色透明液體。藉由該精製之回收率為95%。所得之無色透明液體鑒定為目的物即化合物No.2。以下表示關於所獲得之無色透明液體之分析值。
(分析值)(1)元素分析(金屬分析:ICP-AES)矽;6.10質量%(理論值6.04%)、Na;1 ppm未滿、Cl;5 ppm未滿(2)1
H-NMR(溶劑:氘化苯)(化學位移:多重度:H數)(1.56:s:24)(2.32:s:24)(2.44:s:8)(3)TG-DTA(Ar100 ml/min、10℃/min升溫、樣品量9.199 mg)減少50質量%時之溫度233℃
於乾燥氬氣環境下,於反應燒瓶中滴加四(2-丙氧基)鉿.2-丙醇0.100 mol、實行脫水處理之二甲苯60 ml以及1-二甲胺基-2-甲基-2-丙醇0.600 mol,餾去副生之2-丙醇並以140℃反應8小時。對餾去二甲苯而獲得之殘渣實行減壓蒸餾。自25~28 Pa、塔頂溫度154~150℃之餾份中以32%收率獲得無色液體。進而藉由減壓蒸餾對其實行精製,獲得無色透明液體。藉由該精製之回收率為93%。所獲得之無色透明液體鑒定為目的物即化合物No.13。以下表示關於所獲得之無色透明液體之分析值。
(分析值)(1)元素分析(金屬分析:ICP-AES)鉿;28.2質量%(理論值27.7%)(2)1
H-NMR(溶劑:氘化苯)(化學位移:多重度:H數)(1.45:s:24)(2.36:s:24)(2.53:s:8)(3)TG-DTA(Ar100 ml/min、10℃/min升溫、樣品量7.695 mg)減少50質量%時之溫度250℃
就於上述製造例1中所獲得之化合物No.1、四乙氧基矽烷(TEOS)以及以下所示之比較化合物1實行熱氧化分解性之評價。就化合物No.1以及比較化合物1而言,藉由自30℃開始以10℃/分之升溫速度、乾燥氧(100 ml/分)氣流下之測定條件實行示差熱分析(TG-DTA),測定DTA之發熱峰值之溫度以及450℃之殘量並進行評價。結果示於表1中。
再者,關於TEOS,因無法以上述方法測定,故而於密閉容器中與氧混合,以500℃加熱1分鐘,確認有無氧化分解。其結果為,無法確認氧化分解。
根據上述表1,化合物No.1與比較化合物1進行比較,關於發熱峰值,化合物No.1低於比較化合物1。關於450℃之殘量,化合物No.1為接近於以SiO2
計之理論值之值,比較化合物1為遠小於理論值之值。因此,化合物No.1與TEOS以及比較化合物1相比,因熱氧化分解反應於低溫下進行,故而作為向薄膜提供氧化矽之前驅體,確認為優秀者。
就於上述製造例3中所獲得之化合物No.13以及以下所示之比較化合物2,實行與上述評價例1同樣之熱氧化分解性之評價。於表2中表示結果。
根據上述表2,化合物No.13與比較化合物2進行比較,關於發熱峰值,化合物No.13低於比較化合物2。關於450℃殘量,化合物No.13為接近以HfO2
計之理論值之值,比較化合物2為小於理論值之值。因此,化合物No.13與比較化合物2相比,因熱氧化分解反應於低溫下進行,故而作為向薄膜提供氧化鉿之前驅體,確認為優秀者。
就化合物No.1及2、以及以下所示之比較化合物3,藉由蒸汽壓測定而評價揮發特性。蒸汽壓測定藉由將系統固定為固定之壓力而測定液面附近之蒸汽溫度的方法而實行。變化系統之壓力,以3~4點測定蒸汽溫度,藉由Clausius Clapeyron作圖,使用蒸汽壓之式,算出120℃以及150℃之蒸汽壓。於表3表示結果。
根據上述表3,一般式(I)中之M為矽之本發明之烷氧化物的蒸汽壓大於比較化合物3,於揮發特性方面確認為優秀。
就化合物No.13以及以下所示之比較化合物4,藉由與上述評價例3同樣之方法,實行蒸汽壓測定,算出150℃以及200℃之蒸汽壓,評價揮發特性。
再者,比較化合物4因即使於210℃亦不會揮發,故而無法獲得蒸汽相,無法測定蒸汽壓。關於比較化合物4,於乾燥氬氣流下實行示差熱分析(TG-DTA),可確認僅藉由熱會緩慢產生分解。
於表4中表示關於化合物No.13之結果。
[化13]
根據上述表4,一般式(I)中M為鉿之本發明之烷氧化物,可確認作為CVD用原料具有充分之蒸汽壓。與此相對,比較化合物4無法成蒸汽狀態,故而不適合作為CVD用原料。
將乙基環己烷以金屬鈉線乾燥後,於氬氣流下,切割前餾份10質量%以及槽殘量10質量%,實行蒸餾精製而獲得水分量未滿1 ppm之溶劑。於氬氣流下於500 ml該溶劑中添加0.02 mol化合物No.2、0.1 mol化合物No.13,獲得矽-鉿之混合調製物。使用圖1所示之CVD裝置以及上述混合調製物,於矽晶圓上,以下述條件製造鉿矽複合氧化物薄膜。關於所製造之薄膜,使用螢光X射線進行膜厚以及組成之測定。於以下表示該等之結果。
(條件)汽化室溫度:170℃、原料流量:20 mg/分、反應壓力:667 Pa、反應時間:20分鐘、基板溫度:450℃、載體Ar:200 sccm、堆積後退火條件:氧流量100 sccm中以600℃實行10分鐘(結果)膜厚:63 nm,組成比(莫耳):Hf/Si=1.00:0.17
以金屬鈉線乾燥乙基環己烷後,於氬氣流下,切割前餾份10質量%以及槽殘量10質量%,實行蒸餾精製而獲得水分量未滿1 ppm之溶劑。於氬氣流下,於500 ml該溶劑中添加0.02 mol化合物No.1、0.1 mol四(1-甲氧基-2-甲基-2-丙氧基)鉿,獲得矽-鉿之混合調製物。使用圖1所示之CVD裝置,於矽晶圓上以下述條件,使用上述混合調製物製造鉿矽複合氧化物薄膜。關於所製造之薄膜,實行與上述實施例1同樣之膜厚以及組成測定。於以下表示該等之結果。
(條件)汽化室溫度:170℃、原料流量:20 mg/分、反應壓力:667 Pa、反應時間:30分鐘、基板溫度:450℃、載體Ar:200 sccm堆積後退火條件:氧流量100 sccm中以600℃實行10分鐘(結果)膜厚:98 nm,組成比(莫耳):Hf/Si=1.00:0.22
以金屬鈉線乾燥乙基環己烷後,於氬氣流下,切割前餾份10質量%以及槽殘量10質量%,實行蒸餾精製而獲得水分量未滿1 ppm之溶劑。於氬氣流下,於500 ml該溶劑中添加0.1 mol四(1-甲氧基-2-甲基-2-丙氧基)矽、以及0.1 mol四(1-甲氧基-2-甲基-2-丙氧基)鉿,獲得矽-鉿之比較用混合調製物。使用圖1所示之CVD裝置,於矽晶圓上以下述條件,使用上述比較用混合調製物,製造鉿矽複合氧化物薄膜。關於所製造之薄膜,實行與上述實施例1同樣之膜厚以及組成之測定。於以下表示該等之結果(條件)汽化室溫度:170℃、原料流量:20 mg/分、反應壓力:667 Pa、反應時間:30分鐘、基板溫度:450℃、載體Ar:200 sccm、堆積後退火條件:氧流量100 sccm中以600℃實行10分鐘(結果)膜厚:87 nm,組成比(莫耳):Hf/Si=1.00:0.05
以金屬鈉線乾燥乙基環己烷後,於氬氣流下,切割前餾份10質量%以及槽殘量10質量%,實行蒸餾精製而獲得水分量未滿1 ppm之溶劑。於氬氣流下,於500 ml該溶劑中添加0.1 mol化合物No.13、以及0.03 mol三(1-二甲胺基-2-甲基-2-丙氧基)釔化合物,獲得鉿-釔之混合調製物。使用圖1所示之CVD裝置,於矽晶圓上以下述條件,使用上述混合調製物,製造鉿-釔複合氧化物薄膜。關於所製造之薄膜,使用螢光性X射線實行膜厚以及組成之測定。於以下表示該等之結果。
(條件)汽化室溫度:170℃、原料流量:20 mg/分、反應壓力:667 Pa、反應時間:30分鐘、基板溫度:450℃、運輸氣體:氬200 sccm、氧化氣體:氧300 sccm(結果)膜厚:100 nm、組成比(莫耳):Hf/Y=1.00:0.25於上述實施例1~3中,薄膜形成用原料之組成與所獲得之薄膜之組成一致。與此相對,比較例1中,薄膜形成用原料之組成與所獲得之薄膜之組成並不一致。該比較表示本發明之烷氧化物具有良好的組成控制性。
若使用含有本發明之烷氧化物之本發明的薄膜形成用原料,則可實現組成控制性等方面優秀之薄膜之製造,特別是於藉由CVD法製造多成分薄膜之情形下,顯示優秀效果。
圖1係表示本發明之薄膜製造方法中所使用之CVD裝置之一例的概略圖。
Claims (9)
- 一種薄膜形成用原料,其特徵在於含有如下述一般式(I)表示之烷氧化物,
- 如請求項1之薄膜形成用原料,其中上述一般式(I)中,A為亞甲基。
- 如請求項1或2之薄膜形成用原料,其中上述一般式(I)中,M為矽原子。
- 如請求項1或2之薄膜形成用原料,其中上述一般式(I)中,M為鉿原子。
- 一種薄膜之製造方法,其特徵在於:將汽化如請求項1之薄膜形成用原料而獲得之含有烷氧化物之蒸汽導入至基材上,將其分解以及/或產生化學反應,而於基材上形成薄膜。
- 一種薄膜之製造方法,其特徵在於:將汽化如請求項2之薄膜形成用原料而獲得之含有烷氧化物之蒸汽導入至基材上,將其分解以及/或產生化學反應,而於基材上形成薄膜。
- 一種薄膜之製造方法,其特徵在於:將汽化如請求項3之 薄膜形成用原料而獲得之含有烷氧化物之蒸汽導入至基材上,將其分解以及/或產生化學反應,而於基材上形成薄膜。
- 一種薄膜之製造方法,其特徵在於:將汽化如請求項4之薄膜形成用原料而獲得之含有烷氧化物之蒸汽導入至基材上,將其分解以及/或產生化學反應,而於基材上形成薄膜。
- 一種烷氧化物,其係如請求項1所述之一般式(I)烷氧化物,其中M為鉿原子者。
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JP4781012B2 (ja) * | 2005-05-30 | 2011-09-28 | 株式会社Adeka | アルコール化合物を配位子とした金属化合物及び薄膜形成用原料並びに薄膜の製造方法 |
JP5121196B2 (ja) * | 2006-09-15 | 2013-01-16 | 株式会社Adeka | 金属アルコキシド化合物、薄膜形成用原料及び薄膜の製造方法 |
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JP6760822B2 (ja) * | 2016-11-08 | 2020-09-23 | 株式会社Adeka | 化合物、薄膜形成用原料、原子層堆積法用の薄膜形成用原料及び薄膜の製造方法 |
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US5344948A (en) * | 1992-02-25 | 1994-09-06 | Iowa State University Research Foundation, Inc. | Single-source molecular organic chemical vapor deposition agents and use |
DE4307663A1 (de) | 1993-03-11 | 1994-09-15 | Hoechst Ag | Flüchtige Metall-alkoholate bifunktioneller beta-Etheralkohole, Verfahren zu deren Herstellung und ihre Verwendung |
US6274195B1 (en) | 1999-04-30 | 2001-08-14 | Postech Foundation | Organometallic complex process for the preparation thereof and metal organic chemical vapor deposition using same |
KR100480499B1 (ko) | 2001-09-04 | 2005-04-06 | 학교법인 포항공과대학교 | 란타늄 착체 및 이를 이용한 비엘티 박막의 제조방법 |
KR100508113B1 (ko) | 2002-03-15 | 2005-08-18 | 학교법인 포항공과대학교 | 유기 금속착물 및 이의 제조방법 |
KR200374986Y1 (ko) | 2004-11-16 | 2005-02-04 | 고지영 | 수중 가두리 시설 |
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WO2005085175A1 (ja) | 2005-09-15 |
KR101145070B1 (ko) | 2012-05-11 |
DE112005000134T5 (de) | 2007-02-15 |
JPWO2005085175A1 (ja) | 2007-12-13 |
KR20060111694A (ko) | 2006-10-27 |
CN1914150A (zh) | 2007-02-14 |
US7714155B2 (en) | 2010-05-11 |
JP4889481B2 (ja) | 2012-03-07 |
TW200606132A (en) | 2006-02-16 |
US20090035464A1 (en) | 2009-02-05 |
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