JP2015525284A - コーティングされた構造化表面 - Google Patents
コーティングされた構造化表面 Download PDFInfo
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- JP2015525284A JP2015525284A JP2015509483A JP2015509483A JP2015525284A JP 2015525284 A JP2015525284 A JP 2015525284A JP 2015509483 A JP2015509483 A JP 2015509483A JP 2015509483 A JP2015509483 A JP 2015509483A JP 2015525284 A JP2015525284 A JP 2015525284A
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- barium titanate
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- 238000000151 deposition Methods 0.000 claims abstract description 90
- 238000000576 coating method Methods 0.000 claims abstract description 89
- 239000011248 coating agent Substances 0.000 claims abstract description 81
- 230000008021 deposition Effects 0.000 claims abstract description 79
- 238000000034 method Methods 0.000 claims abstract description 53
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 41
- 229910002113 barium titanate Inorganic materials 0.000 claims abstract description 34
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000002245 particle Substances 0.000 claims abstract description 28
- 239000003990 capacitor Substances 0.000 claims abstract description 27
- 238000001652 electrophoretic deposition Methods 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002105 nanoparticle Substances 0.000 claims abstract description 23
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 21
- 229910000449 hafnium oxide Inorganic materials 0.000 claims abstract description 18
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 9
- 239000003989 dielectric material Substances 0.000 claims abstract description 8
- 238000005137 deposition process Methods 0.000 claims description 20
- 238000000231 atomic layer deposition Methods 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910001084 galinstan Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000007740 vapor deposition Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 36
- 239000010410 layer Substances 0.000 description 20
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 239000007789 gas Substances 0.000 description 15
- 238000010926 purge Methods 0.000 description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 12
- 239000002243 precursor Substances 0.000 description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- 239000010703 silicon Substances 0.000 description 10
- 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
- 229910052786 argon Inorganic materials 0.000 description 8
- 239000010408 film Substances 0.000 description 8
- 238000004549 pulsed laser deposition Methods 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 229910052735 hafnium Inorganic materials 0.000 description 5
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 5
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 5
- 238000000527 sonication Methods 0.000 description 5
- 239000004408 titanium dioxide Substances 0.000 description 5
- 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 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 239000002071 nanotube Substances 0.000 description 4
- 238000005240 physical vapour deposition Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- 238000003917 TEM image Methods 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 229910052454 barium strontium titanate Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 239000002094 self assembled monolayer Substances 0.000 description 2
- 239000013545 self-assembled monolayer Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- -1 Alkylamino hafnium compound Chemical class 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- ZUDYPQRUOYEARG-UHFFFAOYSA-L barium(2+);dihydroxide;octahydrate Chemical compound O.O.O.O.O.O.O.O.[OH-].[OH-].[Ba+2] ZUDYPQRUOYEARG-UHFFFAOYSA-L 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000609 electron-beam lithography Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002077 nanosphere Substances 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
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/04—Hybrid capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/08—Structural combinations, e.g. assembly or connection, of hybrid or EDL capacitors with other electric components, at least one hybrid or EDL capacitor being the main component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/52—Separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/54—Electrolytes
- H01G11/58—Liquid electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/012—Form of non-self-supporting electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/10—Metal-oxide dielectrics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
- H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
- H01G4/1218—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates
- H01G4/1227—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates based on alkaline earth titanates
-
- 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
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- 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
- H01L28/60—Electrodes
- H01L28/82—Electrodes with an enlarged surface, e.g. formed by texturisation
- H01L28/90—Electrodes with an enlarged surface, e.g. formed by texturisation having vertical extensions
- H01L28/91—Electrodes with an enlarged surface, e.g. formed by texturisation having vertical extensions made by depositing layers, e.g. by depositing alternating conductive and insulating layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Semiconductor Memories (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Carbon And Carbon Compounds (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
(a)第1のコーティング材料のナノ粒子を用意するステップと、
(b)電気泳動堆積を使用して構造化表面上にナノ粒子を堆積させるステップと
を含む、構造化表面をコーティングする方法を提供する。
(b)ニッケル触媒の10nmの厚さの膜が基板上に堆積される、触媒堆積、
(c)基板が、触媒層を焼結するために、および、触媒のアイランドまたはナノスフェアを形成するために、700℃に加熱され10分間保たれる、触媒アニール(焼結)段階、ならびに、
(d)NH3の200sccmの流れが導入され、カソード(基板)とアノードとの間のdc放電が始められ、バイアス電圧が−600Vに増大され、アセチレン(C2H2)フィードガスの60sccmの流れが導入される、ナノチューブ成長。
(b)鉄(Fe)触媒の2〜4nmの厚さの膜が、ベース圧力が10−5mbarである金属スパッタコーティング機器を使用して、アルミニウム層上にスパッタリングされる、および、
(c)コーティングされた基板が、10分間、NH3環境内部で、600℃でアニールされ、次いで2sccmのC2H2が、CNTを成長させるためにチャンバ内に導入される。
(c)第1のコーティング材料を覆って第2のコーティングを堆積させるステップ
をさらに含むことが好ましい。
(a)構造化表面を備える第1の電極を設けるステップと、
(b)電気泳動堆積を使用して構造化表面上に第1の誘電材料のナノ粒子を堆積させて、コーティングされた構造化表面を生成するステップと、
(c)コーティングされた構造化表面を覆って導電材料の第2の電極を堆積させるステップと
を含む、構造化表面を伴う電極を有するキャパシタを製造する方法を提供する。
構造化材料の第1の電極と、
導電材料の第2の電極と、
第1の電極と第2の電極との間に形成される誘電体層と
を備えるキャパシタを提供する。
溶液は、磁気攪拌のもとで4時間の間、50℃で水槽内に配置された。次いで反応の生成物が、ギ酸、エタノール、および最終的には脱イオン水で洗浄され、引き続き真空内で6時間の間、50℃で乾燥された。
Claims (27)
- (a)第1のコーティング材料のナノ粒子を用意するステップと、
(b)電気泳動堆積を使用して構造化表面上に前記ナノ粒子を堆積させるステップと、
(c)前記第1のコーティング材料を覆って第2のコーティングを堆積させるステップと
を含む、構造化表面をコーティングする方法。 - 前記構造化表面が、1つまたは複数のカーボンナノチューブを備える、請求項1に記載の方法。
- 前記構造化表面が、カーボンナノチューブのアレイを備える、請求項2に記載の方法。
- カーボンナノチューブの前記アレイが、ランダムなアレイである、請求項3に記載の方法。
- 前記コーティング材料が、誘電材料である、請求項1から4のいずれかに記載の方法。
- 前記コーティング材料が、チタン酸バリウムである、請求項1から5のいずれかに記載の方法。
- チタン酸バリウム粒子が、直径がほぼ20nmである、請求項6に記載の方法。
- 前記第2のコーティングが、原子層堆積プロセスを使用して堆積される、請求項1に記載の方法。
- 前記第2のコーティングが、酸化ハフニウムコーティングである、請求項8に記載の方法。
- 前記第2のコーティングが、物理層堆積プロセスを使用して堆積される、請求項8に記載の方法。
- 前記第2のコーティングが、チタン酸バリウムコーティングである、請求項10に記載の方法。
- 請求項1から11のいずれかに記載の方法を使用して製造された、コーティングされた構造化表面を備えるキャパシタ。
- (a)構造化表面を備える第1の電極を設けるステップと、
(b)電気泳動堆積を使用して前記構造化表面上に誘電材料のナノ粒子を堆積させて、コーティングされた構造化表面を生成するステップと、
(c)前記コーティングされた構造化表面を覆って第2のコーティングを堆積させるステップと、
(d)前記コーティングされた構造化表面を覆って導電材料の第2の電極を堆積させるステップと
を含む、構造化表面を伴う電極を有するキャパシタを製造する方法。 - 前記誘電材料が、チタン酸バリウムである、請求項13に記載の方法。
- 前記チタン酸バリウムナノ粒子が、直径がほぼ20nmである、請求項14に記載の方法。
- 前記第2のコーティングが、原子層堆積を使用して堆積される、請求項13から15のいずれかに記載の方法。
- 前記第2のコーティングが、酸化ハフニウムである、請求項16に記載の方法。
- 前記第2のコーティングが、物理層堆積を使用して堆積される、請求項13から16のいずれかに記載の方法。
- 前記第2のコーティングが、チタン酸バリウムである、請求項18に記載の方法。
- 前記第2の電極が、導電材料の蒸着により堆積される、請求項13から19のいずれかに記載の方法。
- 構造化材料の第1の電極と、
導電材料の第2の電極と、
前記第1の電極と前記第2の電極との間に形成され、第1の層および第2の層を備える誘電体層と
を備えるキャパシタ。 - 前記誘電体層が、電気泳動堆積を使用して形成される、請求項21に記載のキャパシタ。
- 前記誘電体層が、チタン酸バリウムである、請求項21に記載のキャパシタ。
- 前記構造化材料が、1つまたは複数のカーボンナノチューブを備える、請求項21から23のいずれかに記載のキャパシタ。
- 前記第1の層が、チタン酸バリウムである、請求項21から24のいずれかに記載のキャパシタ。
- 前記第2の層が、酸化ハフニウムである、請求項21から25のいずれかに記載のキャパシタ。
- 前記第2の電極が、アルミニウムまたはガリンスタン (Galinstan)から形成される、請求項21から26のいずれかに記載のキャパシタ。
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