TW463385B - Aluminum-doped zirconium dielectric film transistor structure and deposition method for same - Google Patents
Aluminum-doped zirconium dielectric film transistor structure and deposition method for same Download PDFInfo
- Publication number
- TW463385B TW463385B TW089114476A TW89114476A TW463385B TW 463385 B TW463385 B TW 463385B TW 089114476 A TW089114476 A TW 089114476A TW 89114476 A TW89114476 A TW 89114476A TW 463385 B TW463385 B TW 463385B
- Authority
- TW
- Taiwan
- Prior art keywords
- group
- range
- scope
- thin film
- film
- Prior art date
Links
- 229910052726 zirconium Inorganic materials 0.000 title claims abstract description 13
- 238000000151 deposition Methods 0.000 title abstract description 12
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title 1
- 239000002184 metal Substances 0.000 claims abstract description 80
- 229910052751 metal Inorganic materials 0.000 claims abstract description 77
- 238000000137 annealing Methods 0.000 claims abstract description 20
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 18
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 17
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 17
- 238000004544 sputter deposition Methods 0.000 claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 238000001704 evaporation Methods 0.000 claims abstract description 8
- 239000010408 film Substances 0.000 claims description 79
- 239000010409 thin film Substances 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 29
- 229910052760 oxygen Inorganic materials 0.000 claims description 29
- 239000001301 oxygen Substances 0.000 claims description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 150000002739 metals Chemical class 0.000 claims description 14
- 239000002243 precursor Substances 0.000 claims description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 229910052746 lanthanum Inorganic materials 0.000 claims description 10
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000005229 chemical vapour deposition Methods 0.000 claims description 6
- 230000002079 cooperative effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910000979 O alloy Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 2
- -1 sand nitride Chemical class 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims 1
- 238000007747 plating Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 claims 1
- 230000008020 evaporation Effects 0.000 abstract description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 14
- 229910052681 coesite Inorganic materials 0.000 description 11
- 229910052906 cristobalite Inorganic materials 0.000 description 11
- 229910052682 stishovite Inorganic materials 0.000 description 11
- 229910052905 tridymite Inorganic materials 0.000 description 11
- 229910018516 Al—O Inorganic materials 0.000 description 8
- 239000003989 dielectric material Substances 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013213 extrapolation Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003339 best practice Methods 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000000572 ellipsometry Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
-
- 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
- H01L21/04—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28185—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation with a treatment, e.g. annealing, after the formation of the gate insulator and before the formation of the definitive gate conductor
-
- 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
- H01L21/04—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28194—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation by deposition, e.g. evaporation, ALD, CVD, sputtering, laser deposition
-
- 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
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/513—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being perpendicular to the channel plane
-
- 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
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/517—Insulating materials associated therewith the insulating material comprising a metallic compound, e.g. metal oxide, metal silicate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/55—Capacitors with a dielectric comprising a perovskite structure material
- H01L28/56—Capacitors with a dielectric comprising a perovskite structure material the dielectric comprising two or more layers, e.g. comprising buffer layers, seed layers, gradient layers
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Formation Of Insulating Films (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Inorganic Insulating Materials (AREA)
- Physical Vapour Deposition (AREA)
- Chemical Vapour Deposition (AREA)
Description
463385 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明( 登明之背景及概述 , 本發明一般係有關於集成電路(I c)製造方法,而更特定 言之,係有關於一種高介電常數柵絕緣薄膜及—種此種薄 膜之沉積方法。 1 目前Si VLSI技術係使用Si〇2作為MOS裝置之柵介電質。 由於裝置尺寸愈來愈小,Si〇2層之厚度也必須減少以維持 柵與溝槽區之間之相同電容。預期在將來厚度將小於2毫 微米(nm)。然而’通過此種Si〇2薄膜之高隧道電流 (tvinnelmg current)之發生使得必須考慮使用另類材料。具 尚介電常數之材料可讓柵介電層作成更厚,而因此減輕隨 道電流的問題。這些所謂的高k介電薄膜,在此處係定義 為相對於二氧化矽具有較高之介電常數。一般而言,二氧 化石夕之介電常數為約4而高k薄膜之介電常數則為大於约 1 0。目前高k候用材料包括氧化鈦(Ti〇2),氧化銼(Zr〇2), 氧化钽(Ta205)及氧化鋇及鳃鈦(Ba,Sr)Ti03。 一個與上述高介電質有關之普通問題為彼等在正常製備 條件下會發展出結晶結構。結果,薄膜之表面即變得非常 粗糙。表面粗糙會在鄰近介電薄膜之溝道區中引起非均勻 之電場。此等薄膜即不適合作為MOSFET裝置之柵介電 質。 由於咼直接隧道電流之故’薄於1,5 nm之Si02薄膜即不 能用作為CMOS裝置中的柵介電質。目前業界都在致力於 尋找Si〇2之替代品’而以Ti〇2及Ta2〇5最受人矚目。然而, 高溫後沉積退火與介面Si〇2層之形成都會使相當於小於1.5 -4- 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) --------------裝---1 l·---訂---------線 ί請先閱讀背面之注意事項S寫本頁〕 463385 A7 B7 五、發明說明( nm之等效Si02厚度(EOT)極難達成。 如果高k介電薄膜可用作爲M0S電晶體中柵電極與 、、 (靖先閱讀背面之注意事項^^^寫本頁) 道區間之絕緣層,則將很有利β 如果高k介電薄,可形成具有減低之表面粗糙度,結▲性 及漏電率,將很有利。如果這些非結晶高介電常數材料可 用於集成電路之栅介電質及貯存電容器,將很有利。 若改良之高k介電材料可藉僅在目前既有之高]^介電材料 中摻雜或添加額外元素而形成,將很有利。 因此,本發明提供一種具有高介電常數(1〇至25)之薄 膜。該薄膜包括三價金屬,如鋁(八丨),钪(Sc)或鑭(La), 自錯(Zr)及給(Hf)所組成之族群中所選出之金屬及氧。 一般而薄膜中三價金屬之百分比爲不超過約5〇〇/。, 而A1之百分比爲約2 5 %則爲較佳。 亦提供者爲一種M0SFET電晶體。該電晶體包含姆電 極 '在該柵電極下方具有上表面之溝道區,及夾置於栅電 極與溝道區上表面中的柵介電薄膜。介電薄膜之内容物如 上所述。一般而言’柵介電薄膜之厚度係在約2〇與2〇〇人之 範圍内。 經濟部智慧財產局員工消費合作社印^^ 本發明之一些方面進一步包含具有介面層之電晶體;該 介面層之厚度在約2至5A之範園内,且夾置於溝道區與柵 介電薄膜之間,介面材料係自氮化矽及氧氮化矽所組成之 族群中所選出’藉以將溝道區上表面作成更平滑以防止 MOSFET之電子遷移率減低。 在製作具有表面之集成電路(IC)時,也提供一種濺鍍方 -5- 本紙張尺㈣財關緒準(CNS)A4規格(210 >: 297公爱) A7 4 633 85 ----B7_______ 五、發明說明(3 ) 法以在1C表面上形成摻雜A1之金屬氧化物薄膜。該方法包 含下列步驟: a) 建立包括氧之氛圍; b) 在1C矽表面上濺艘至少一種包括自及Hf所组成之族 群中所選出之金屬及包括三價金屬之目標金屬; c) 回應步驟a)及b),形成摻雜八丨之金屬氧化物膜;及. d) 在溫度範圍約4〇〇至80〇1下退火,藉以形成具有高介 電常數及良好絕緣性質之薄膜。 在本發明之一些方面,步驟(a)包括以個別目標—包括自 Zr及Hf所组成之族群中所選出之金屬之第一目標及包括三 價金屬之第二目標-共濺鍍。 另外’提供一種沉積捧雜A1之金屬氧化物薄膜之化學蒸 氣沉積(C VD )法,其包含下列步驟: a) 製備至少一種包括自Zr及Hf所组成之族群中所選出之 金屬及三價金屬之前驅物; b) 將前驅物蒸發; C)建立包括氧之氛圍; · d) 將IC表面上之前驅物分解,以藉由化學蒸氣沉積 (C VD)法沉積包括自z r及H f所組成之族群中所選出之金 屬,三價金屬及氧之合金薄膜;及 e) 在溫度範圍約400至800 °C下退火,藉以形成具有高介 電常數及良好絕緣性質之薄膜。 在另一替代例中,提供一種沉積摻雜A1之金屬氧化物薄 膜之蒸氣沉積方法,包括下列步驟: -6 - 本紙張尺度適用中國囤家標準(CNS)A4規格(210 X 297公釐) ----- -----I I I --------訂·-------- (請先閲讀背面之注意事項再4寫本頁) 經濟部智慧財產局員工消費合作社印製 4 ο 3 3 8 5 / c 〇 〇 〇 - 4 6 3參鉍丨54476號專利申請案 〇 P ) 中文說明書修正頁(90年8月) 品年次月芷/f fiw鑪象 1、發明説明(4 ) a) 建立真空(無氣體)氛圍; b) 製備至少一種包括自Zr及Hf所組成之族群中所選出之 金屬及三價金屬坩堝; C )將該至少一個坩堝於約1000至2000 °c範圍内之溫度下 加熱以蒸發步騾(b)製備之金屬; d)回應步驟a)至c),沉積包括自Z r及H f所組成之族群f 所選出之金屬及三價金屬之合金薄膜;及 e )在包括氧之氛圍中及約400 - 800 °C範圍内之溫度下退火 以形成具有氧之合金薄膜,而形成具有高介電常數及良好 絕緣性質之薄膜。 附圖之簡要說明 圖1係一流程囷,說明本發明摻雜A1之金屬氧化物薄膜之 激鍵沉積方法。 圖2顯示Zr〇2薄膜與本發明摻雜A1之Zr02薄膜之X -射線 繞射測量比較。 圖3顯示100微米(yj^XlOO /zm電容器之63A Zr-AI-〇 薄膜之高頻CV曲線圖。 圖4係一 ϊ V曲線圖,顯示上述本發明薄膜之漏電特徵。 圖5顯示在約400-50(TC後沉積退火後之漏電特徵(初沈積與 經退火(500°C3〇S 〇2)之Zr-Al-Ο薄膜之I - V曲線)。 圖6顯示本發明三種不同厚度薄膜之高頻cv曲線,其中 p -型基材上3-7.5 nm Zr-Al-Ο薄膜之高頻(1 MHz) CV特徵後沈積 退火係在500°C下進行。 圖7顯示以Zr-Al-Ο薄膜厚度為函數之有效介電常數與薄膜 厚度之間的輕微關係,此即顯示有最小介面si〇2層之存 在。 圖8顯示圖6薄膜之iv曲線(Zr-Al-Ο之累積I V特徵)。 圖9顯示η -型基材上之漏電較p-型基材上類似厚度之薄膜 本紙張又度通用中8國家標準(CNS) Α4规格(210X297公釐} 4633 8 5 第89丨丨4476號專利申請案 中文說明書修正頁(90年8月) A7 ^_ B7 五、發明説明(5 ) 大約丨0倍(n ( @ 1 . 5 v)及p_型(@ i . 5 v)基材上Ζγ·α1_〇薄膜漏 電與溫度關係)。 圖10及11顯示圖6薄膜之可靠性,儘管薄膜中有電荷阱 之存在其中圖1 0係4.5 nm Zr-Al-Ο薄膜上TDDB測量結果之分 佈’應力電壓列示於嵌表中; 圖1 1係以柵電壓為函數之TDDB平均失敗時間外插值,若 操作電壓在-13V以下,可得丨〇年以上之平均壽命。 圖12及13顯示使用本發明摻雜A1之金屬氧化物薄膜製成 之完成電晶體中之步驟。 圖14係一流程圖,顯示形成本發明之摻雜a丨之金屬氧化 物薄膜之CVD方法之步騾。 圖15係一流程圖,顯示形成摻雜八丨之金屬氧化物薄膜之 蒸發方法之步騾。 鼓隹具體例之詳細說明 本發明研究掺雜A1之錯氧化物。掺雜Ai可降低漏電’而 提问柵介電質之結晶溫度。具有效介電常數為12_18之3 nM Zr-Al-Ο薄膜曾達到記錄上最高累積電容約28毫微微_ 法拉第(femt0_farads,fF)/平方微米’及漏電小於〇丨A/平 方厘米’曾以具有谩異特徵之Zr_Al-〇柵介電質製作成次 微米PMOSFETs。簡言之,據發現,以三價金屬(如ΑΙ)摻 雜Zr〇2薄膜可得在典型(高溫)加工處理條件下仍保持無晶 形之薄膜。 本發明係一種具有對氧化矽而言較高介電常數之薄膜, 其包含三價金屬’自锆(Zr)及铪(Hf)所组成之族群中所選 出之金屬’及氧。高介電薄膜可阻止結晶,保持無晶形以 形成較平滑表面。三價金屬係自鋁(A〇 ’钪(s c)及鑭(L a) 所組成之族群中所選出。 在有用應用中’薄膜厚度一般係在約2 〇至2〇〇 a之範圍 8· 本紙张尺度逋用_國理家標準(CNS) A4规格(210 X 297公爱) 463385 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(6 内’介電常數係在約丨〇至2 5之範圍内。 薄膜中AI,或其他三價金屬之百分比一般不超過約 5 0 %,而以百分比為約2 5 %為較佳。 圖1係一流程圖,顯示本發明摻雜A1之金屬氧化物薄膜 之濺鍍沉積方法。步驟1〇提供—具有表面之集成電路 (1C)。步驟12建立一包括氧之氛圍。一般而言’步驟Q包 括也包含氬(A〇之氛圍’ 〇AAr之比係在約5至25%之範 ,内。壓力係在約!至10毫托爾(mT)之範圍内。步驟㈣ 土/種包括®Zr&Hf所組成之族群中所選出之金屬之目 標金屬濺鍍在IC表面上。步騾14也將三價金屬濺鍍在⑴表 面上°三價金屬係自銘(A1),钪(s〇及鑭(La)所組成之族 群t所選出。在本發明之-些方面,步驟Μ包括以下個別 目心包括自Zr及Hf所组成之族群中所選出之金屬之第— 目標及包括三價金屬之第二目標·共濺鍍。 一步驟〗6,回應步驟12及14,形成捧雜八丨之金屬氧化物 溥挺。步驟18在約400_800 ΐ範圍内之溫度下退火。退火 時間’视退火溫度而定’係在約1Q秒至⑽鐘之範園内。 步驟18包括建立—種氛園,其包括自Ar,N2,N2:h2形成 乳體’ 〇212〇12〇,,無氣體(無氣體環境)及氧 U所组成之族群中所選出之元素。步驟20係-產物,其 中形成具有高介電常數及良好絕緣性質之薄膜。 ^ 在本發明之—些方面,其中步驟1〇提供矽⑴表面,步驟 :6:前有另外一步驟。步驟⑷(未示幻在⑴矽表面建立 约ΐ溫至4 0 0 C範圍内之溫度^ -9 本纸張尺度適用中國國家標準(cns)at^⑵G χ 297公 裝-----r---訂---------線 <請先閲讀背面之注意事項尹4寫本頁> 經濟部智慧財產局員工消費合作社印製 633 85 A7 _____B7____ 五、發明說明(7 ) Z r - A1 - 0及H f- A1 - 0薄膜係藉上述共濺嫂方法製備。濺 鍍功率比調整至随氧化锆中A1濃度之量而異。 ‘
I 以下圖式顯示:以濺鍍比爲Zr = 300瓦(W)/A1 = 60W,在 〇2 : Ar氣體混合物=1.5毫托爾(mT)中製備之63入Zr-Al-◦薄膜之電容對電壓(C-V)及電流對電壓(i-V)特性。薄膜 進一步在氧氣中及500T:下退火30秒。 圖2顯示Zr〇2薄膜與本發明摻雜AitZr〇2薄膜比較之χ· 射線繞射測量。強峰顯示Zr02係結晶,而濺鍍之z r - A卜Ο 薄膜’即使在800 °C退火之後仍保持無晶形。
藉濺鍍法沉積Al/TiN上電極,並作成圖樣以製造10〇 x 100 " m2電容器供電測試之用。圖3顯示! 〇〇微米m) X 100 "m電容器之63A Zr-Al-Ο薄膜之高頻CV曲線圖。從 C V測量測得Si〇2等效厚度爲〜1,5 nm,其即顯示此薄膜之 介電常數爲〜16。 圖4係一IV曲線圖’顯示上述本發明薄膜之漏電特徵。 漏電僅約6 X 1CT5 A /平方厘米,遠小於相等厚度之Si〇2薄 膜。 以功率比爲1 : 5 ’在氧及氬之混合物中及室溫下共濺鍍 A1及Zr目標製備摻雜A1之Zr02薄膜。圖5顯示在約400至 500 °C下後沉積退火之後之漏電特徵。此一溫度大大低於 其他薄膜所需要者,如Ti02薄膜,其通常須在750°C以上退 火才能減低漏電。薄膜之厚度係以光譜橢圓光度法評估。 圖6顯示本發明三種不同厚度薄膜之高頻c v曲線。m m 薄膜在柵偏壓(gait bias)爲-1.5 V時獲得最高累積電容26 -10- 本紙張尺度適用争國國家標準(CNS)A4規格(210 X 297公釐) I I ---------訂·--------線 (請先間讀背面之注意事項#4寫本頁> 4^3385 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(8) 平万微米,在更高柵偏壓時,柵漏電會使c 升’而不能精確測量電容。藉由外插法可估計電容在柵 壓為-2V時為約28fF/+方微米。這相當於典型介電質厚度 (CDT = Si02/C)為約 1.2 nm。將估計為% 〇 q ® 耵怙彳為約0.3 nm之量子機械 才又正G括在内’即可得小於1 〇 nm之EOT。 圖7顯示薄膜有效介電常數與薄膜厚度間之輕微關係,此 即顯示有最小介面Si02層之存在。 圖8顯示圖6薄膜之IV曲線。以3 nm.膜而言,在-1 5γ 時,柄漏電為約0.5A/平方厘米,.而在可能操作電壓為_v 時則為約0.1 A/平方厘米。 圖9顯示η -型基材上之漏電遠較p _型基材上類似厚度之 薄膜大約10倍。漏電與溫度之關連也較大。這即顯示傳導 機制最可能是佛蘭凱爾-普立(Frenkd_p0〇ie)型,及電子傳 導之能障壁(energy barrier)遠較孔傳導者為小。電子味之 存在並不令人訝異,因為介電薄膜係使用濺鍍技術製得。 圖1 0及I 1顯示圖6薄膜之可靠性’儘管薄膜中有電荷牌 之存在。時間依賴之介電質擊穿(time dependent dielectric breakdown ’ TDDB)壽命’在約1.3V以下操作時,可外插 到1 0年以上。 具有Zr-Al-Ο柵介電質之PM0S電晶體係使用氮化物栅取 代方法加工處理’其中輕微摻雜之漏極(lightly d〇ped drain ’ LDD)及源極/漏極(source/drain)區係在最後柵昼 (gate stack)固定之前形成。Zr-Al-Ο柵介電質之厚度為約 6 nm,而在累積時測得之C最大為20 fF/ μ m2以上。 -11 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) I I---裝-----r ---訂---------線 (請先閱讀背面之注意事項寫本頁) 463385 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(9 ) 自本發明電容器薄膜之研究 木到之相同《— -05- i1% xh Ά 用於柵介電質,貯存電容器 瓜特徵也適 鐵電存貯器。 呢阳體(1Τ) 圖1 2及1 3顯示使用本發明松 个货明掺雜Α1之金屬氧化物薄膜劁 之完成M〇SFET電晶體之步驟。 吳製侍 戈令r 士 L _ 1 Z *•.貝不具有溝道區5 2而 溝道區有上表面54之電晶辦^ ^ „ 薄膜56。 —0。溝道區52上方為柵介電 圖13顯示夹置於柵電極58與溝道區上表心中間的拇介 電薄膜。柵介電薄膜,相對於二氧切,具有較高介電常 數且包括自锆(Zr)及鈐(Hf)所組成之族群中所選出之金屬 及氧。柵介電薄膜56包括自銘(A1),航(Sc)及綱(La)所组 成之族群中所選出之三價金屬。 薄膜56中之A1或其他三價金屬之百分比係在約〇至5 〇% 之範園内。薄膜5 6中A1之百分比較佳為約2 5 %。柵介電薄 膜5 6之厚度6 0 (圖1 3 )係在約2 0至200A之範圍内。柵介電 薄膜5 6之介電常數係在約1 〇至2 5之範圍内。 在本發明之一些方面’電晶體50包含具有厚度64在約2 至5A之範園内且夹置於溝道區52與柵介電薄膜56之間的 介面絕緣層6 2。介面絕緣層6 2係由自氮化碎與氧氮化;ί夕所 組成之族群中所選出之材料所構成,藉以使溝道區上表面 5 4作成更平滑以提高MOSFET 50之電子遷移率。 在大CMOS裝置應用之栅介電質之情形時,晶片係使用 任何最佳習知方法如隔離加工處理,繼之形成P -井及N -井 以使溝道區曝露。仍然可能需要超薄之氧化障壁層。在此 -12 本纸張尺度適用中國國家標準(CNS)A4規格(210 x 297公釐) - —1 — — — > I I I l· I I ] ^ «— — — I — — — — (請先閱讀背面之注意事項寫本頁) 4 633 85 經濟部智慧財產局員工消費合作杜印製 A7 五、發明說明(1ί)) 情形時,可能之障壁層包括氮化矽及氧氮化矽。接著,沉 積高k介電質。製備薄膜之方式有若干: A _在惰性或氧化性周圍中共濺錄z r及a 1 ; B ‘在惰性或氧化性周圍中共激錄複合目標,如z r _ a 1 ; C·化學蒸氣沉積Zr-Al-Ο及Hf-Al_〇 ;或 D.蒸發。 , 沉積之後,薄膜即在惰性(例如,Ar,,n2 : h2形成 氣體)及/或氧化性(〇2,H2〇 ’ Ν2〇,NO),及無氣體周 圍氣氛中及命溫(400 - 900 °C )下退火以控制高k薄膜及高 k / S 1介面。然而’若薄膜係以蒸發沉積,則退火過程一般 包括氧,以在合金薄膜中包含氧。 退火之後,即沉積柵極,並作成柵疊之圖樣。柵材料可 爲金屬或聚矽。然後,使用任何最佳之裝置製作過程,以 習知方法,或使用氮化物,聚矽或聚siGe僞柵極之柵極取 代方法完成該裝置。 圖14係一流程圖,顯示形成本發明摻雜μ之金屬氧化物 薄膜之CVD方法之步驟。步驟1〇〇提供一具有表面之集成 電路(1C)。步驟1〇2製備至少—種前驅物,其包括自〜及 Hf所组成之族群中所選出之金屬及三價金屬。步驟ι〇2包 括自铭(A1),銳(Sc)及鑭(La)所组成之族群中所選出之三 價金屬。在本發明之一些方面,步骤1〇2包含包括自^及 Hf所组成之族群中所選出之金屬之第一前驅物及包括三價 金屬t第二前驅物。步驟1〇4將該至少一前驅物蒸發。步 驟106建立包括氧之氛圍。一般而言,步驟106包括包含氬 -13- 本紙張尺度適用中國國家標準(CNSW規格 (210 X 297 公釐) ---------------------訂—-------- <請先閲讀背面之注意事項再4寫本I) 463385 經濟部智慧財產局員工消費合作社印制农 A7 B7 五、發明說明(11 ) (A〇之氛圍,〇2與Ar之比在約5至25%之範圍内,而壓力 則在約1至10T之範圍内。步驟1〇8將1(:表面之前驅物分 解,以藉化學蒸氣沉積(C VD )法沉積包括自ζ Γ及H f所组成 之族群中所選出之金屬,三價金屬及氧之合金薄膜。 步驟110係在溫度約400至800。(:之範園内退火。步驟i 10 包括建立包括自Ar,N2,N2 : H2形成氣體,〇2,h20 , NzO ’ NO,無氣缉及氧電漿所组成之族群中所選出之元素 之氛圍。步驟112係一產物,其中形成具高介電常數及良 好絕緣性質之薄膜。 在本發明之一些方面,步驟1〇〇提供—矽1C表面,及步 驟108之前置有另外一步驟。步驟106&將IC矽表面溫度建 立在約300至500°C之範圍内。 圖1 5係一流程圖,顯示形成摻雜A丨之金屬氧化物薄膜之 蒸發方法之步驟。步驟200提供一具矽表面之集成電路 (1C)。步驟202製備至少一個包括自zr及Hf所组成之族群 中所選出之金屬及三價金屬之坩堝。步驟202包括自鋁 (A1),銳(S c )及鑭(L a)所组成之族群中所選出之三價金 屬。步驟204建立眞空(無氣體)氛園。步騍206將該至少一 個坩堝加熱至坩堝溫度在約1000至2000 °C之範圍内,以蒸 發步驟202所製備之金屬。步驟208,回應步驟202至206, 將包括自Zr及Hf所组成之族群中所選出之金屬及三價金屬 之合金薄膜沉積a步驟210在包括氧之氛圍中及溫度範圍 約400至800 °C下退火以形成包括自Z r及H f所组成之族群中 所選出之金屬,三價金屬及氧之合金薄膜。步雜210包括 • 14- 本紙張尺度適用令舀國家標準(CNS)A4規格(210 x 297公釐) ---I I I I ---—II I I I----訂,! — — — — — (請先間讀背面之注意事項再成寫本頁) 463385 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明說明(12 ) 建互包括自Ar ’ N2 ’ N2 : H2形成氣體,〇2,h2〇, 2〇 N〇 ’揉机及氧電漿所组成之族群中所選出之元素之 氛圍。步驟212係—產物,其中形成具高介電常數及良好 絕緣性質之薄膜。 '在本發明之—些方面,步驟202包括供自Zr&Hf所組成 之族群中所選出之金屬用之第一坩堝及供三價金屬用之第 二坩堝。然後,步驟206包括將第一坩堝加熱至溫度約 1000至2000T之範圍内,及將第二坩堝加熱至溫度約]〇〇〇 至2000 c之範圍内,3 Zr/Hf坩堝無需與三價金屬坩堝同一 溫度。 - 在本發明之一些方面,步驟210包括次步驟(未示出)。步 驟210a在包括氧之氛圍中及溫度約4〇〇至8〇〇1之範圍内退 火。步樣210b在包括自Ar,N2,N2 : H2形成氣體,〇2, Ηβ ’ NW,NO,無氣體及氧電漿所組成之族群中所選 出之元素之氛圍中及溫度約4〇〇至8〇〇之範圍内退火。 以上已揭示在相當高退火溫度下仍保持無晶形之高k介電 薄膜。因爲薄膜不會形成結晶結構,故相鄰薄膜之介面之 不規則性不多。當用作柵介電質時,薄膜可作成厚到可提 供栅電場偶合於溝道區所需之電容,而溝道區之表面蚋可 作成平滑到可支撐'高電子遷移率。薄膜係經由CVD,濺 鍍’或蒸發沉積方法而形成。精於本技藝之其他人士將會 想起本發明之其他變異及具體例。 -15- 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公餐) --------------裝--------訂---------線 (請先閱讀背面之注意事項一^寫本頁)
Claims (1)
- 463385 A8 B8 C8 D8 六、申請專利範圍 1. 一種相對於二氧化矽具有較高介電常數之薄膜,其包 含: - 三價金屬·, 自锆(Zr)及給(Hf)所组成之族群中所選出之金屬,及 氧’精以形成典晶形南介電薄膜。 ’ 2. 如申請專利範圍第1項之薄膜,其中該三價金屬係自鋁 (A1),銳(Sc)及鑭(La)所组成之族群中所選出。 3. 如申請專利範圍第1項之薄膜,其中薄膜之厚度係在約 20至200 A之範園内。 4. 如申請專利範圍第1項之薄膜,其中薄膜之介電常數係 在10至25之範圍内。 5. 如申請專利範圍第i項之薄膜,其中薄膜中之a丨之百分 比爲不超過約5 0 %。 6,如申請專利範圍第5項之薄膜,其中薄膜中之A1之百分 比爲約2 5 %。 7. —種MOSFET電晶體,其包含: ’ » 柵電極; 在該柵電極下方具有上表面之溝道區;及 夾置於該柵電極與該溝道區上表面中間,具有相對於 二氧化矽較高介電常數,包括自結(Zr)及铪(Hf)所组成 之族群中所選出之金屬,及包括氧之柵介電薄膜。 8. 如中請專利範圍第7項之電晶體,其中該柵介電薄膜包 括自鋁(A1),航(Sc)及鑭(La)所組成之族群中所選出之 三價金屬。 -16- ‘ 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) ---------------裝—— (請先閱讀背面之注意事項一^寫本頁) 訂: 線- 經濟部智慧財產局員工消費合作杜印製 888QP ABCD 463385 六、申請專利範圍 9.如申請專利範圍第8項之電晶體,其中薄膜中之4 1之百 分比係在約〇至5 〇 %之範園内》 10·如申請專利範圍第9項之電晶體,其中薄膜中之A 1之百 分比為約2 5 %。 11.如申請專利範圍第7項之電晶體,其中該柵介電薄膜之 厚度係在約2 0至2〇〇A之範圍内。 12·如申請專利範圍第7項之電晶體,其中該柵介電薄膜之 介電常數係在約1 〇至2 5之範圍内。 13. 如申請專利範圍第7項之電晶體,進一步包含: 具厚度在约2至5A之範圍内且夾置於該溝道區與該柵 介電薄膜中間之介面絕緣層,該介面絕緣層包括自氮化 砂及氧氮化矽所組成之族群中所選出之材料,而致該溝 道區上表面較為平滑而提高MOSFET之電子遷移率。 14. 一種在製作具有表面之集成電路(IC)時在ic表面上形成 摻雜A1之金屬氧化物薄膜之方法,包含下列步驟: a) 建立包括氧之氛圍; b) 在1C矽表面上濺鍍至少一種包括自ZriHf所組成之 族群中所選出之金屬,及包括三價金屬之目標金屬; c) 回應步驟a)及b),形成摻雜A1之金屬氧化物薄膜;及 d) 在溫度約400至800 °C之範圍内退火,藉以形成具有 高介電常數及良好絕緣性質之薄膜。 15. 如申請專利範圍第1 4項之方法,其中提供紗I c表面,及 在步驟c )之前包含以下另外步驟: b [)建il在約室溫至约400 t:範園内之I c矽表面溫度。 -17- 本紙張尺&遇用中國國家標準(CJsJS)A4規格(210x 297公釐) — — — — — — — — — — —----I--- I I 訂·--— II-- (請先間讀背面之注意事項寫本頁) 經濟部智慧財產局員工消費合卞 經濟部智慧財產局員工消費合作社印製 4633 85 A8 驾 __________D8 六、申請專利範圍 16. 如申&專利範圍第Μ項之方法,其中步驟a)包括包含氬 (Ar)(氛圍,其中心與^之比係在約5至Μ%支範圍 内’及其中壓力係在約1至1〇毫拖爾(πιΤ)之範圍内。 17. 如申請專利範圍第14項之方法,其中步驟d)包括建立.包 括自 Ar ’ N2,N2 : h2 形成氣體,〇2,H20,n2〇, N〇 ’無氣體及氧電漿所组成之族群中所選出之元素之氛 圍。 18. 如申請專利範圍第i 4項之方法,其中步驟b)包括自鋁 (A1) ’銃(Sc)及鑭(La)所組成之族群中所選出之三價金 屬。 19. 如申請專利範圍第1 4項之方法,其中步驟b)包括以包括 自Zr及Hf所組成之族群中所選出之金屬之第—目標及包 括三價金屬之第二目檩之個別目標共濺鍍。 20- —種在製作具有表面之集成電路(iC)時形成摻雜幻之金 屬氧化物薄膜之方,法,其包括下列步驟: ‘ a) 製備至少一種包括自Zr及Hf所组成之族群中所選出 之金屬及三價金屬之前驅物; b) 將該至少一種前驅物蒸發; c) 建立包括氧之氛圍; d) 將1C表面上之前驅物分解,以藉由化學蒸氣沉積 (C VD)法沉積包括自Z r及H f所组成之族群中所選出之金 屬,三價金屬及氧之含金薄膜;及 e) 在溫度約400至800°C範圍内退火,藉以形成具有高 介電常數及良好絕緣性質之薄膜。 -18- 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) -------------裝--------訂---------線 <請先閱讀背面之注意事項tinjf寫本頁) 經濟部智慧財產局員工消費合作社印製 4633 8 5 A8 § —__________D8 六、申請專利範圍 21.如中请專利範圍第2〇項之方法,其中提供矽IC表面,及 在步驟d)之前包括以下另外步驟: - ci)將1C矽表面溫度建立在約之範圍内。 21如中請專利範圍第2〇項之方法,其中步驟c)包括包含氬 (Ar)心氛圍’其中化與^之比係在約5至η%之範圍 内,及其中壓力係在約i至j 〇拖爾(τ)之範圍内。. 23. 如申請專利範圍第2〇項之方法,其中步驟〇包括建立包 括自 Ar ’ N2 ’ N2 : H2 形成氣體,〇2,h20,N20, NO,無氣體及氧電漿所組成之族群中所選出之元素之氛 圍。 24. 如申請專利範圍第2〇項之方法,其中步驟㈧包括自鋁 (A1) ’叙(Sc)及鑭(La)所組成之族群中所選出之三價金 屬。 25. 如申請專利範圍第2〇項之方法,其中步驟幻包含包括自 Zr及Hf所纽成之族群中所選出之金屬之第一前驅物及其 中步驟a)包含包括三價金屬之第二前驅物。 . 26. —種在製作具有矽表面之集成電路(IC)時形成摻雜μ之 金屬軋化物薄膜之方法,其包含下列步驟: a) 製備至少一種包括自Zr&Hfm組成之族群中所選出 之金屬及三價金屬之坩堝; b) 建立眞空氛圍; c) 將該至少一個坩堝加熱至坩堝溫度在約1〇〇〇至2〇〇〇 c之範圍内,以蒸發步驟(a)製備之金屬; <1)回應步骤a)至c),沉積包括自^^及只^所組成之族群 -19 - 本紙張尺糾肖巾國國家標準(CNS)A4規格(210 X 297公爱了 -------------裝--------訂--------線 (請先閱讀背面之注意事項^1#寫本頁) A8B8C8D8 4 633 85 六、申請專利範圍 中所選出之金屬及三價金屬之合金薄膜;及 e )在包括氧之氛園中及溫度在約400 _ 8〇〇 X:之―範園内 退火以形成包括自Zr及Hf所组成之族群中所遽出之金 屬’三價金屬及氧之合金薄膜,藉以形成具宥高介電常 數及良好絕緣性質之薄膜。 27. 如申請專利範圍第2 6項之方法,其中步驟a)包括供自Z r 及Hf所组成之族群中所選出之金屬用之第一坩堝,及供 三價金屬用之第二坩堝,及其中步驟〇包括將第一坩塢 加熱至溫度在約1000與2000°C之範圍内,及將第二坩蜗 加熱至溫度在約1000至2000°C之範圍内。 _ 28. 如申請專利範圍第2 6項之方法,其中步驟e )包括建立包 括自 Ar,N2,N2 : H2 形成氣體,〇2,h2〇,n2〇,N〇 ’無氣體及氧電漿所組成之族群中所選出之元素之氛園。 29. 如申請專利範圍第28項之方法’其中步驟e)包括次步聲 如下: ’ 在包括氧之氛圍中及溫度在約400至8〇〇。(:之範園内 退火;及 e2)在包括自Ar,N2 ’ N2 : H2形成氣體,, hO,MW,NO,無氣體及氧電漿所組成之族群^所 選出之元素之氛圍中及溫度在約400至8〇〇。(:之範圍内、< 火。· ‘退 30. 如申請專利範圍第26項之方法,其中步驟a)包括自 (A1) ’銳(S c)及鑭(L a)所組成之族群中所選出3 φ ,印心二ΐ貝金 20· 本紙張尺度適用中國國家標準(CNS>A4規格(210 X 297公釐) 展--------訂---------線 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/356,470 US6060755A (en) | 1999-07-19 | 1999-07-19 | Aluminum-doped zirconium dielectric film transistor structure and deposition method for same |
Publications (1)
Publication Number | Publication Date |
---|---|
TW463385B true TW463385B (en) | 2001-11-11 |
Family
ID=23401555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW089114476A TW463385B (en) | 1999-07-19 | 2000-07-18 | Aluminum-doped zirconium dielectric film transistor structure and deposition method for same |
Country Status (4)
Country | Link |
---|---|
US (2) | US6060755A (zh) |
JP (1) | JP3703373B2 (zh) |
KR (1) | KR100342316B1 (zh) |
TW (1) | TW463385B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI840259B (zh) * | 2016-07-19 | 2024-04-21 | 美商應用材料股份有限公司 | 薄膜電晶體結構、用以形成用於顯示裝置之複合膜層之方法、及用於顯示裝置中的裝置結構 |
Families Citing this family (164)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6048769A (en) * | 1997-02-28 | 2000-04-11 | Intel Corporation | CMOS integrated circuit having PMOS and NMOS devices with different gate dielectric layers |
KR100455737B1 (ko) * | 1998-12-30 | 2005-04-19 | 주식회사 하이닉스반도체 | 반도체소자의게이트산화막형성방법 |
US6235594B1 (en) * | 1999-01-13 | 2001-05-22 | Agere Systems Guardian Corp. | Methods of fabricating an integrated circuit device with composite oxide dielectric |
JP3417866B2 (ja) * | 1999-03-11 | 2003-06-16 | 株式会社東芝 | 半導体装置およびその製造方法 |
US6297539B1 (en) * | 1999-07-19 | 2001-10-02 | Sharp Laboratories Of America, Inc. | Doped zirconia, or zirconia-like, dielectric film transistor structure and deposition method for same |
US7554829B2 (en) | 1999-07-30 | 2009-06-30 | Micron Technology, Inc. | Transmission lines for CMOS integrated circuits |
FI117979B (fi) * | 2000-04-14 | 2007-05-15 | Asm Int | Menetelmä oksidiohutkalvojen valmistamiseksi |
US6184072B1 (en) * | 2000-05-17 | 2001-02-06 | Motorola, Inc. | Process for forming a high-K gate dielectric |
US6444512B1 (en) * | 2000-06-12 | 2002-09-03 | Motorola, Inc. | Dual metal gate transistors for CMOS process |
WO2002001622A2 (en) * | 2000-06-26 | 2002-01-03 | North Carolina State University | Novel non-crystalline oxides for use in microelectronic, optical, and other applications |
KR100545706B1 (ko) * | 2000-06-28 | 2006-01-24 | 주식회사 하이닉스반도체 | 반도체 소자 제조방법 |
US6943078B1 (en) * | 2000-08-31 | 2005-09-13 | Micron Technology, Inc. | Method and structure for reducing leakage current in capacitors |
KR100815009B1 (ko) | 2000-09-28 | 2008-03-18 | 프레지던트 앤드 펠로우즈 오브 하바드 칼리지 | 산화물, 규산염 및 인산염의 증기를 이용한 석출 |
US6486080B2 (en) * | 2000-11-30 | 2002-11-26 | Chartered Semiconductor Manufacturing Ltd. | Method to form zirconium oxide and hafnium oxide for high dielectric constant materials |
US6602805B2 (en) * | 2000-12-14 | 2003-08-05 | Macronix International Co., Ltd. | Method for forming gate dielectric layer in NROM |
US20020102797A1 (en) * | 2001-02-01 | 2002-08-01 | Muller David A. | Composite gate dielectric layer |
US6844604B2 (en) * | 2001-02-02 | 2005-01-18 | Samsung Electronics Co., Ltd. | Dielectric layer for semiconductor device and method of manufacturing the same |
US7371633B2 (en) * | 2001-02-02 | 2008-05-13 | Samsung Electronics Co., Ltd. | Dielectric layer for semiconductor device and method of manufacturing the same |
JP3732098B2 (ja) | 2001-02-19 | 2006-01-05 | 株式会社ルネサステクノロジ | 半導体装置 |
US6541280B2 (en) | 2001-03-20 | 2003-04-01 | Motorola, Inc. | High K dielectric film |
EP1256638B1 (en) * | 2001-05-07 | 2008-03-26 | Samsung Electronics Co., Ltd. | Method of forming a multi-components thin film |
US7358578B2 (en) * | 2001-05-22 | 2008-04-15 | Renesas Technology Corporation | Field effect transistor on a substrate with (111) orientation having zirconium oxide gate insulation and cobalt or nickel silicide wiring |
US7037862B2 (en) * | 2001-06-13 | 2006-05-02 | Micron Technology, Inc. | Dielectric layer forming method and devices formed therewith |
US6642131B2 (en) * | 2001-06-21 | 2003-11-04 | Matsushita Electric Industrial Co., Ltd. | Method of forming a silicon-containing metal-oxide gate dielectric by depositing a high dielectric constant film on a silicon substrate and diffusing silicon from the substrate into the high dielectric constant film |
JP2003017687A (ja) * | 2001-06-29 | 2003-01-17 | Hitachi Ltd | 半導体装置 |
KR100411306B1 (ko) * | 2001-06-30 | 2003-12-18 | 주식회사 하이닉스반도체 | 수소확산방지막을 구비하는 반도체소자의 제조 방법 |
JP5073136B2 (ja) * | 2001-08-24 | 2012-11-14 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP2003069013A (ja) | 2001-08-29 | 2003-03-07 | Hitachi Ltd | 半導体装置及びその製造方法 |
US8026161B2 (en) * | 2001-08-30 | 2011-09-27 | Micron Technology, Inc. | Highly reliable amorphous high-K gate oxide ZrO2 |
US6844203B2 (en) * | 2001-08-30 | 2005-01-18 | Micron Technology, Inc. | Gate oxides, and methods of forming |
US6806145B2 (en) * | 2001-08-31 | 2004-10-19 | Asm International, N.V. | Low temperature method of forming a gate stack with a high k layer deposited over an interfacial oxide layer |
CN1332451C (zh) * | 2001-09-12 | 2007-08-15 | 日本电气株式会社 | 半导体器件及其制造方法 |
US6472337B1 (en) * | 2001-10-30 | 2002-10-29 | Sharp Laboratories Of America, Inc. | Precursors for zirconium and hafnium oxide thin film deposition |
US6743681B2 (en) * | 2001-11-09 | 2004-06-01 | Micron Technology, Inc. | Methods of Fabricating Gate and Storage Dielectric Stacks having Silicon-Rich-Nitride |
US6667246B2 (en) * | 2001-12-04 | 2003-12-23 | Matsushita Electric Industrial Co., Ltd. | Wet-etching method and method for manufacturing semiconductor device |
US6953730B2 (en) | 2001-12-20 | 2005-10-11 | Micron Technology, Inc. | Low-temperature grown high quality ultra-thin CoTiO3 gate dielectrics |
EP1324393B1 (en) * | 2001-12-28 | 2008-04-09 | STMicroelectronics S.r.l. | Manufacturing process of a semiconductor non-volatile memory cell and corresponding memory-cell |
US6563183B1 (en) * | 2001-12-31 | 2003-05-13 | Advanced Micro Devices, Inc. | Gate array with multiple dielectric properties and method for forming same |
US6894355B1 (en) * | 2002-01-11 | 2005-05-17 | Advanced Micro Devices, Inc. | Semiconductor device with silicide source/drain and high-K dielectric |
US6767795B2 (en) | 2002-01-17 | 2004-07-27 | Micron Technology, Inc. | Highly reliable amorphous high-k gate dielectric ZrOXNY |
US6893984B2 (en) * | 2002-02-20 | 2005-05-17 | Micron Technology Inc. | Evaporated LaA1O3 films for gate dielectrics |
US7323422B2 (en) * | 2002-03-05 | 2008-01-29 | Asm International N.V. | Dielectric layers and methods of forming the same |
US6812100B2 (en) | 2002-03-13 | 2004-11-02 | Micron Technology, Inc. | Evaporation of Y-Si-O films for medium-k dielectrics |
US6846516B2 (en) * | 2002-04-08 | 2005-01-25 | Applied Materials, Inc. | Multiple precursor cyclical deposition system |
US7087480B1 (en) * | 2002-04-18 | 2006-08-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | Process to make high-k transistor dielectrics |
US7045430B2 (en) * | 2002-05-02 | 2006-05-16 | Micron Technology Inc. | Atomic layer-deposited LaAlO3 films for gate dielectrics |
US7160577B2 (en) | 2002-05-02 | 2007-01-09 | Micron Technology, Inc. | Methods for atomic-layer deposition of aluminum oxides in integrated circuits |
US6642066B1 (en) * | 2002-05-15 | 2003-11-04 | Advanced Micro Devices, Inc. | Integrated process for depositing layer of high-K dielectric with in-situ control of K value and thickness of high-K dielectric layer |
CA2386380A1 (en) * | 2002-05-27 | 2003-11-27 | Mohammed Saad | Heavy metal oxide thin film, active and passive planar waveguides and optical devices |
US7205218B2 (en) * | 2002-06-05 | 2007-04-17 | Micron Technology, Inc. | Method including forming gate dielectrics having multiple lanthanide oxide layers |
US7135421B2 (en) * | 2002-06-05 | 2006-11-14 | Micron Technology, Inc. | Atomic layer-deposited hafnium aluminum oxide |
EP1372160B1 (en) * | 2002-06-10 | 2008-05-28 | Interuniversitair Microelektronica Centrum (IMEC) | Transistors or memory capacitors comprising a composition of HfO2 with enhanced dielectric constant |
US6858547B2 (en) * | 2002-06-14 | 2005-02-22 | Applied Materials, Inc. | System and method for forming a gate dielectric |
US7067439B2 (en) * | 2002-06-14 | 2006-06-27 | Applied Materials, Inc. | ALD metal oxide deposition process using direct oxidation |
US20030232501A1 (en) * | 2002-06-14 | 2003-12-18 | Kher Shreyas S. | Surface pre-treatment for enhancement of nucleation of high dielectric constant materials |
US7326988B2 (en) * | 2002-07-02 | 2008-02-05 | Matsushita Electric Industrial Co., Ltd. | Semiconductor device and method for fabricating the same |
JP2004047503A (ja) * | 2002-07-08 | 2004-02-12 | Fujitsu Ltd | 半導体装置及びその製造方法 |
US7221586B2 (en) | 2002-07-08 | 2007-05-22 | Micron Technology, Inc. | Memory utilizing oxide nanolaminates |
US6915592B2 (en) * | 2002-07-29 | 2005-07-12 | Applied Materials, Inc. | Method and apparatus for generating gas to a processing chamber |
US6921702B2 (en) * | 2002-07-30 | 2005-07-26 | Micron Technology Inc. | Atomic layer deposited nanolaminates of HfO2/ZrO2 films as gate dielectrics |
US6919251B2 (en) * | 2002-07-31 | 2005-07-19 | Texas Instruments Incorporated | Gate dielectric and method |
US20040105244A1 (en) * | 2002-08-06 | 2004-06-03 | Ilyas Mohammed | Lead assemblies with offset portions and microelectronic assemblies with leads having offset portions |
US6884739B2 (en) * | 2002-08-15 | 2005-04-26 | Micron Technology Inc. | Lanthanide doped TiOx dielectric films by plasma oxidation |
CN100423266C (zh) * | 2002-08-20 | 2008-10-01 | 独立行政法人产业技术综合研究所 | 半导体-铁电体存储器设备以及制造该设备的工艺 |
JP5019297B2 (ja) * | 2002-08-20 | 2012-09-05 | 独立行政法人産業技術総合研究所 | 半導体強誘電体記憶デバイスの製造方法 |
JP4887481B2 (ja) * | 2002-08-20 | 2012-02-29 | 独立行政法人産業技術総合研究所 | 半導体強誘電体記憶デバイス |
US7041609B2 (en) * | 2002-08-28 | 2006-05-09 | Micron Technology, Inc. | Systems and methods for forming metal oxides using alcohols |
US7112485B2 (en) * | 2002-08-28 | 2006-09-26 | Micron Technology, Inc. | Systems and methods for forming zirconium and/or hafnium-containing layers |
US6958300B2 (en) | 2002-08-28 | 2005-10-25 | Micron Technology, Inc. | Systems and methods for forming metal oxides using metal organo-amines and metal organo-oxides |
US7084078B2 (en) | 2002-08-29 | 2006-08-01 | Micron Technology, Inc. | Atomic layer deposited lanthanide doped TiOx dielectric films |
JP3773475B2 (ja) * | 2002-09-06 | 2006-05-10 | 株式会社日立製作所 | 半導体装置 |
US6905737B2 (en) * | 2002-10-11 | 2005-06-14 | Applied Materials, Inc. | Method of delivering activated species for rapid cyclical deposition |
US6713358B1 (en) * | 2002-11-05 | 2004-03-30 | Intel Corporation | Method for making a semiconductor device having a high-k gate dielectric |
US6982230B2 (en) * | 2002-11-08 | 2006-01-03 | International Business Machines Corporation | Deposition of hafnium oxide and/or zirconium oxide and fabrication of passivated electronic structures |
US6958302B2 (en) * | 2002-12-04 | 2005-10-25 | Micron Technology, Inc. | Atomic layer deposited Zr-Sn-Ti-O films using TiI4 |
US7101813B2 (en) | 2002-12-04 | 2006-09-05 | Micron Technology Inc. | Atomic layer deposited Zr-Sn-Ti-O films |
US6753224B1 (en) | 2002-12-19 | 2004-06-22 | Taiwan Semiconductor Manufacturing Company | Layer of high-k inter-poly dielectric |
JP4290421B2 (ja) | 2002-12-27 | 2009-07-08 | Necエレクトロニクス株式会社 | 半導体装置及びその製造方法 |
JP2004214366A (ja) * | 2002-12-27 | 2004-07-29 | Nec Electronics Corp | 半導体装置及びその製造方法 |
US6762114B1 (en) * | 2002-12-31 | 2004-07-13 | Texas Instruments Incorporated | Methods for transistor gate fabrication and for reducing high-k gate dielectric roughness |
US6828200B2 (en) * | 2003-01-03 | 2004-12-07 | Texas Instruments Incorporated | Multistage deposition that incorporates nitrogen via an intermediate step |
JP2004241612A (ja) * | 2003-02-06 | 2004-08-26 | Fujitsu Ltd | 半導体装置及びその製造方法 |
JP2004247341A (ja) * | 2003-02-10 | 2004-09-02 | Renesas Technology Corp | 半導体装置 |
US6930059B2 (en) * | 2003-02-27 | 2005-08-16 | Sharp Laboratories Of America, Inc. | Method for depositing a nanolaminate film by atomic layer deposition |
US20040168627A1 (en) * | 2003-02-27 | 2004-09-02 | Sharp Laboratories Of America, Inc. | Atomic layer deposition of oxide film |
US7192892B2 (en) * | 2003-03-04 | 2007-03-20 | Micron Technology, Inc. | Atomic layer deposited dielectric layers |
JP4203070B2 (ja) * | 2003-03-07 | 2008-12-24 | 日鉱金属株式会社 | ハフニウム合金ターゲット及びその製造方法 |
US6716707B1 (en) * | 2003-03-11 | 2004-04-06 | Intel Corporation | Method for making a semiconductor device having a high-k gate dielectric |
JP4051063B2 (ja) * | 2003-03-13 | 2008-02-20 | 富士通株式会社 | 半導体装置の製造方法 |
AU2003221174A1 (en) * | 2003-03-20 | 2004-10-11 | Fujitsu Limited | Semiconductor device having high dielectric film neutralizing fixed charge |
US7135369B2 (en) * | 2003-03-31 | 2006-11-14 | Micron Technology, Inc. | Atomic layer deposited ZrAlxOy dielectric layers including Zr4AlO9 |
US20040198069A1 (en) | 2003-04-04 | 2004-10-07 | Applied Materials, Inc. | Method for hafnium nitride deposition |
US7183186B2 (en) * | 2003-04-22 | 2007-02-27 | Micro Technology, Inc. | Atomic layer deposited ZrTiO4 films |
US20040232408A1 (en) * | 2003-05-21 | 2004-11-25 | Heeger Alan J. | Bilayer high dielectric constant gate insulator |
US7192824B2 (en) * | 2003-06-24 | 2007-03-20 | Micron Technology, Inc. | Lanthanide oxide / hafnium oxide dielectric layers |
US7049192B2 (en) * | 2003-06-24 | 2006-05-23 | Micron Technology, Inc. | Lanthanide oxide / hafnium oxide dielectrics |
US20050124121A1 (en) * | 2003-12-09 | 2005-06-09 | Rotondaro Antonio L. | Anneal of high-k dielectric using NH3 and an oxidizer |
US7351626B2 (en) * | 2003-12-18 | 2008-04-01 | Texas Instruments Incorporated | Method for controlling defects in gate dielectrics |
KR100639673B1 (ko) * | 2003-12-22 | 2006-10-30 | 삼성전자주식회사 | 고유전 합금으로 이루어지는 게이트 유전막을 구비하는반도체 소자 및 그 제조 방법 |
US7005333B2 (en) * | 2003-12-30 | 2006-02-28 | Infineon Technologies Ag | Transistor with silicon and carbon layer in the channel region |
US7002224B2 (en) * | 2004-02-03 | 2006-02-21 | Infineon Technologies Ag | Transistor with doped gate dielectric |
US20050233477A1 (en) * | 2004-03-05 | 2005-10-20 | Tokyo Electron Limited | Substrate processing apparatus, substrate processing method, and program for implementing the method |
WO2005088727A1 (en) * | 2004-03-11 | 2005-09-22 | National University Of Singapore | Memory gate stack structure |
US7094671B2 (en) * | 2004-03-22 | 2006-08-22 | Infineon Technologies Ag | Transistor with shallow germanium implantation region in channel |
US20050252449A1 (en) | 2004-05-12 | 2005-11-17 | Nguyen Son T | Control of gas flow and delivery to suppress the formation of particles in an MOCVD/ALD system |
US8323754B2 (en) | 2004-05-21 | 2012-12-04 | Applied Materials, Inc. | Stabilization of high-k dielectric materials |
US8119210B2 (en) | 2004-05-21 | 2012-02-21 | Applied Materials, Inc. | Formation of a silicon oxynitride layer on a high-k dielectric material |
US20060062917A1 (en) * | 2004-05-21 | 2006-03-23 | Shankar Muthukrishnan | Vapor deposition of hafnium silicate materials with tris(dimethylamino)silane |
US7141857B2 (en) * | 2004-06-30 | 2006-11-28 | Freescale Semiconductor, Inc. | Semiconductor structures and methods of fabricating semiconductor structures comprising hafnium oxide modified with lanthanum, a lanthanide-series metal, or a combination thereof |
US7601649B2 (en) | 2004-08-02 | 2009-10-13 | Micron Technology, Inc. | Zirconium-doped tantalum oxide films |
US7081421B2 (en) | 2004-08-26 | 2006-07-25 | Micron Technology, Inc. | Lanthanide oxide dielectric layer |
US7494939B2 (en) | 2004-08-31 | 2009-02-24 | Micron Technology, Inc. | Methods for forming a lanthanum-metal oxide dielectric layer |
US7588988B2 (en) | 2004-08-31 | 2009-09-15 | Micron Technology, Inc. | Method of forming apparatus having oxide films formed using atomic layer deposition |
US7235501B2 (en) | 2004-12-13 | 2007-06-26 | Micron Technology, Inc. | Lanthanum hafnium oxide dielectrics |
US7560395B2 (en) | 2005-01-05 | 2009-07-14 | Micron Technology, Inc. | Atomic layer deposited hafnium tantalum oxide dielectrics |
US7106088B2 (en) * | 2005-01-10 | 2006-09-12 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of predicting high-k semiconductor device lifetime |
JP4185057B2 (ja) | 2005-01-28 | 2008-11-19 | 富士通株式会社 | 半導体装置の製造方法 |
US7374964B2 (en) | 2005-02-10 | 2008-05-20 | Micron Technology, Inc. | Atomic layer deposition of CeO2/Al2O3 films as gate dielectrics |
US7687409B2 (en) | 2005-03-29 | 2010-03-30 | Micron Technology, Inc. | Atomic layer deposited titanium silicon oxide films |
US7390756B2 (en) | 2005-04-28 | 2008-06-24 | Micron Technology, Inc. | Atomic layer deposited zirconium silicon oxide films |
US7662729B2 (en) | 2005-04-28 | 2010-02-16 | Micron Technology, Inc. | Atomic layer deposition of a ruthenium layer to a lanthanide oxide dielectric layer |
US7572695B2 (en) | 2005-05-27 | 2009-08-11 | Micron Technology, Inc. | Hafnium titanium oxide films |
US7927948B2 (en) | 2005-07-20 | 2011-04-19 | Micron Technology, Inc. | Devices with nanocrystals and methods of formation |
KR100644724B1 (ko) * | 2005-07-26 | 2006-11-14 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
US7402534B2 (en) | 2005-08-26 | 2008-07-22 | Applied Materials, Inc. | Pretreatment processes within a batch ALD reactor |
JP2006140514A (ja) * | 2005-12-19 | 2006-06-01 | Fujitsu Ltd | 半導体装置及びその製造方法 |
JPWO2007091302A1 (ja) * | 2006-02-07 | 2009-06-25 | 富士通マイクロエレクトロニクス株式会社 | 半導体装置及びその製造方法 |
US7678710B2 (en) * | 2006-03-09 | 2010-03-16 | Applied Materials, Inc. | Method and apparatus for fabricating a high dielectric constant transistor gate using a low energy plasma system |
US7645710B2 (en) | 2006-03-09 | 2010-01-12 | Applied Materials, Inc. | Method and apparatus for fabricating a high dielectric constant transistor gate using a low energy plasma system |
US7837838B2 (en) | 2006-03-09 | 2010-11-23 | Applied Materials, Inc. | Method of fabricating a high dielectric constant transistor gate using a low energy plasma apparatus |
JP4965878B2 (ja) * | 2006-03-24 | 2012-07-04 | 株式会社東芝 | 不揮発性半導体メモリ装置 |
WO2007110936A1 (ja) * | 2006-03-28 | 2007-10-04 | Fujitsu Limited | 半導体装置の製造方法 |
US7537804B2 (en) * | 2006-04-28 | 2009-05-26 | Micron Technology, Inc. | ALD methods in which two or more different precursors are utilized with one or more reactants to form materials over substrates |
US7798096B2 (en) | 2006-05-05 | 2010-09-21 | Applied Materials, Inc. | Plasma, UV and ion/neutral assisted ALD or CVD in a batch tool |
US7563730B2 (en) * | 2006-08-31 | 2009-07-21 | Micron Technology, Inc. | Hafnium lanthanide oxynitride films |
JP5590886B2 (ja) | 2006-09-26 | 2014-09-17 | アプライド マテリアルズ インコーポレイテッド | 欠陥パシベーションのための高kゲート積層構造に対するフッ素プラズマ処理 |
JP2008193005A (ja) * | 2007-02-07 | 2008-08-21 | Eudyna Devices Inc | 半導体装置の製造方法 |
JPWO2008108128A1 (ja) * | 2007-03-08 | 2010-06-10 | 日本電気株式会社 | 誘電体、誘電体を用いたキャパシタ、誘電体を用いた半導体装置、及び誘電体の製造方法 |
US20090035946A1 (en) * | 2007-07-31 | 2009-02-05 | Asm International N.V. | In situ deposition of different metal-containing films using cyclopentadienyl metal precursors |
JP2009035784A (ja) * | 2007-08-02 | 2009-02-19 | Kobe Steel Ltd | 酸化物皮膜、酸化物皮膜被覆材および酸化物皮膜の形成方法 |
US20100123993A1 (en) * | 2008-02-13 | 2010-05-20 | Herzel Laor | Atomic layer deposition process for manufacture of battery electrodes, capacitors, resistors, and catalyzers |
WO2009119803A1 (ja) | 2008-03-28 | 2009-10-01 | 日本電気株式会社 | キャパシタとそれを有する半導体装置並びにそれらの製造方法 |
JP5279312B2 (ja) | 2008-03-28 | 2013-09-04 | 株式会社東芝 | 半導体装置、及び半導体装置の製造方法 |
US7659158B2 (en) | 2008-03-31 | 2010-02-09 | Applied Materials, Inc. | Atomic layer deposition processes for non-volatile memory devices |
US8383525B2 (en) * | 2008-04-25 | 2013-02-26 | Asm America, Inc. | Plasma-enhanced deposition process for forming a metal oxide thin film and related structures |
US20100062149A1 (en) | 2008-09-08 | 2010-03-11 | Applied Materials, Inc. | Method for tuning a deposition rate during an atomic layer deposition process |
US8491967B2 (en) | 2008-09-08 | 2013-07-23 | Applied Materials, Inc. | In-situ chamber treatment and deposition process |
KR101547313B1 (ko) * | 2008-11-25 | 2015-09-07 | 삼성전자주식회사 | 유전막을 포함하는 반도체 소자 |
WO2010099163A2 (en) * | 2009-02-24 | 2010-09-02 | Graphic Packaging International, Inc. | Carton with handle |
WO2010098121A1 (ja) * | 2009-02-27 | 2010-09-02 | キヤノンアネルバ株式会社 | 誘電体ならびに半導体装置の製造方法、プログラム、および、記録媒体 |
EP2462611B1 (en) * | 2009-08-05 | 2019-09-25 | Faculdade De Ciências E Tecnologia/ Universidade Nova De Lisboa | Amorphous multicomponent dielectric based on the mixture of high band gap and high k materials, respective devices and manufacture |
JP5932221B2 (ja) * | 2011-01-14 | 2016-06-08 | ピーエスフォー ルクスコ エスエイアールエルPS4 Luxco S.a.r.l. | 半導体装置 |
US20120235276A1 (en) * | 2011-03-18 | 2012-09-20 | Intermolecular, Inc. | Electrode treatments for enhanced dram performance |
WO2012141698A1 (en) | 2011-04-13 | 2012-10-18 | Empire Technology Development Llc | Dielectric nanocomposites and methods of making the same |
US8383490B2 (en) | 2011-07-27 | 2013-02-26 | International Business Machines Corporation | Borderless contact for ultra-thin body devices |
CN103367409B (zh) * | 2013-07-04 | 2015-10-28 | 西安电子科技大学 | 基于锗衬底的La基高介电常数栅介质材料的制备方法 |
US10134732B2 (en) * | 2014-04-07 | 2018-11-20 | International Business Machines Corporation | Reduction of negative bias temperature instability |
US20180026055A1 (en) | 2016-07-19 | 2018-01-25 | Applied Materials, Inc. | Hybrid high-k dielectric material film stacks comprising zirconium oxide utilized in display devices |
US10354871B2 (en) | 2017-09-11 | 2019-07-16 | General Electric Company | Sputtering system and method for forming a metal layer on a semiconductor device |
US10714486B2 (en) | 2018-09-13 | 2020-07-14 | Sandisk Technologies Llc | Static random access memory cell employing n-doped PFET gate electrodes and methods of manufacturing the same |
CN109962112B (zh) * | 2019-03-26 | 2021-04-27 | 湘潭大学 | 一种铁电栅场效应晶体管及其制备方法 |
US11251261B2 (en) * | 2019-05-17 | 2022-02-15 | Micron Technology, Inc. | Forming a barrier material on an electrode |
KR102276021B1 (ko) * | 2019-08-12 | 2021-07-12 | 아주대학교산학협력단 | 높은 유전상수 및 낮은 누설전류를 갖는 스트론튬 티타네이트 기반 유전막의 제조방법 및 상기 스트론튬 티타네이트 기반 유전막을 구비하는 커패시터의 제조방법 |
CN115968501A (zh) * | 2020-07-16 | 2023-04-14 | 恩特格里斯公司 | 用于铁电存储器的无碳层压氧化铪/氧化锆膜 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4520413A (en) * | 1982-04-13 | 1985-05-28 | Minnesota Mining And Manufacturing Company | Integrated magnetostrictive-piezoelectric-metal oxide semiconductor magnetic playback head |
US6069070A (en) * | 1993-09-20 | 2000-05-30 | East/West Technology Partners, Ltd. | Multilevel interconnections of electronic components |
JP3320180B2 (ja) * | 1993-12-22 | 2002-09-03 | ティーディーケイ株式会社 | 薄膜トランジスタの製造方法 |
JP3336747B2 (ja) * | 1994-06-09 | 2002-10-21 | ソニー株式会社 | 絶縁膜の形成方法、並びに半導体装置の作製方法及び半導体装置 |
JP2907111B2 (ja) * | 1996-04-22 | 1999-06-21 | 日本電気株式会社 | 気相成長方法及びその装置 |
US6033919A (en) * | 1996-10-25 | 2000-03-07 | Texas Instruments Incorporated | Method of forming sidewall capacitance structure |
US5780922A (en) * | 1996-11-27 | 1998-07-14 | The Regents Of The University Of California | Ultra-low phase noise GE MOSFETs |
KR100571071B1 (ko) * | 1996-12-04 | 2006-06-21 | 소니 가부시끼 가이샤 | 전계효과트랜지스터및그제조방법 |
US6054331A (en) * | 1997-01-15 | 2000-04-25 | Tong Yang Cement Corporation | Apparatus and methods of depositing a platinum film with anti-oxidizing function over a substrate |
JP3734586B2 (ja) * | 1997-03-05 | 2006-01-11 | 富士通株式会社 | 半導体装置及びその製造方法 |
KR100236098B1 (ko) * | 1997-09-06 | 1999-12-15 | 김영환 | 반도체소자 및 그 제조방법 |
-
1999
- 1999-07-19 US US09/356,470 patent/US6060755A/en not_active Expired - Lifetime
-
2000
- 2000-02-29 US US09/515,743 patent/US6207589B1/en not_active Expired - Lifetime
- 2000-07-14 JP JP2000215186A patent/JP3703373B2/ja not_active Expired - Lifetime
- 2000-07-18 TW TW089114476A patent/TW463385B/zh not_active IP Right Cessation
- 2000-07-19 KR KR1020000041322A patent/KR100342316B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI840259B (zh) * | 2016-07-19 | 2024-04-21 | 美商應用材料股份有限公司 | 薄膜電晶體結構、用以形成用於顯示裝置之複合膜層之方法、及用於顯示裝置中的裝置結構 |
Also Published As
Publication number | Publication date |
---|---|
JP3703373B2 (ja) | 2005-10-05 |
US6207589B1 (en) | 2001-03-27 |
US6060755A (en) | 2000-05-09 |
JP2001077111A (ja) | 2001-03-23 |
KR100342316B1 (ko) | 2002-07-02 |
KR20010029968A (ko) | 2001-04-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW463385B (en) | Aluminum-doped zirconium dielectric film transistor structure and deposition method for same | |
US6713846B1 (en) | Multilayer high κ dielectric films | |
Wilk et al. | Hafnium and zirconium silicates for advanced gate dielectrics | |
TW564549B (en) | Semiconductor device and the manufacturing method thereof | |
US6407435B1 (en) | Multilayer dielectric stack and method | |
KR100297210B1 (ko) | 강유전체커패시터및다른커패시터구조체를위한고온전극-배리어 | |
US6291283B1 (en) | Method to form silicates as high dielectric constant materials | |
US6875667B2 (en) | Method for forming capacitor | |
US6743668B2 (en) | Process for forming a metal oxy-nitride dielectric layer by varying the flow rate of nitrogen into the chamber | |
KR20020005432A (ko) | 도핑된 지르코늄, 또는 지르코늄 유사 유전막 트랜지스터구조물 및 이의 퇴적 방법 | |
US9887083B2 (en) | Methods of forming capacitors | |
JP2002373945A (ja) | 半導体装置およびその製造方法 | |
JP2002524859A (ja) | 三元窒化物−炭化物バリア層 | |
Yang et al. | Effect of SiO2 intermediate layer on Al2O3/SiO2/n+-poly Si interface deposited using atomic layer deposition (ALD) for deep submicron device applications | |
US6235594B1 (en) | Methods of fabricating an integrated circuit device with composite oxide dielectric | |
JPH11297867A (ja) | ド―プされた金属酸化物誘電体材料を有する電子部品及びド―プされた金属酸化物誘電体材料を有する電子部品の作製プロセス | |
Al-Shareef et al. | Metallization schemes for dielectric thin film capacitors | |
US7300852B2 (en) | Method for manufacturing capacitor of semiconductor element | |
CN102007591A (zh) | 电容器及电容器的制造方法 | |
TW200304184A (en) | Semiconductor device and production method therefor | |
WO2024070800A1 (ja) | 半導体装置の製造方法および半導体装置 | |
WO1998006131A1 (fr) | Composant a semi-conducteur et son procede de fabrication | |
Roberts et al. | Deposition and Properties of Ultra-Thin High Dielectric Constant Insulators | |
JP2002110969A (ja) | 半導体装置およびその製造方法 | |
Lee | Optimization of Metal Gate Electrode Stacks for Work Function Tuning |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GD4A | Issue of patent certificate for granted invention patent | ||
MM4A | Annulment or lapse of patent due to non-payment of fees |