KR100699846B1 - SiH4 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법 및 이를 포함한 반도체 소자 - Google Patents
SiH4 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법 및 이를 포함한 반도체 소자 Download PDFInfo
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- KR100699846B1 KR100699846B1 KR1020050051995A KR20050051995A KR100699846B1 KR 100699846 B1 KR100699846 B1 KR 100699846B1 KR 1020050051995 A KR1020050051995 A KR 1020050051995A KR 20050051995 A KR20050051995 A KR 20050051995A KR 100699846 B1 KR100699846 B1 KR 100699846B1
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- silicon
- insulating film
- ion implantation
- hydrogen
- crystals
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- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 46
- 239000010703 silicon Substances 0.000 title claims abstract description 46
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000002159 nanocrystal Substances 0.000 title claims abstract description 29
- 239000004065 semiconductor Substances 0.000 title claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 title 1
- 239000007943 implant Substances 0.000 title 1
- 238000005468 ion implantation Methods 0.000 claims abstract description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000001257 hydrogen Substances 0.000 claims abstract description 23
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 238000005229 chemical vapour deposition Methods 0.000 claims description 9
- 150000002500 ions Chemical class 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 6
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims 1
- 230000006911 nucleation Effects 0.000 abstract description 3
- 238000010899 nucleation Methods 0.000 abstract description 3
- 238000010884 ion-beam technique Methods 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 20
- 230000003197 catalytic effect Effects 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- -1 silicon ion Chemical class 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- 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
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
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- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
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- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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- 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
- C23C16/56—After-treatment
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- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
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- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/401—Multistep manufacturing processes
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- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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- 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
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Abstract
Description
Claims (13)
- 실리콘 나노 결정체 형성방법에 있어서,실리콘 기판위에 소정의 두께의 절연막을 형성하는 단계; 및수소와 실리콘(Si) 함유개스를 이용하여 상기 절연막에 이온을 주입한 후 열처리를 통해 실리콘 나노결정을 형성하는 단계를 포함하는 것을 특징으로 하는 실리콘 나노 결정체 형성방법.
- 제 1항에 있어서, 상기 절연막은 SiO2인 것을 특징으로 하는 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법.
- 제 1항에 있어서, 상기 절연막은 SiO2위에 실리콘 질화막을 증착한 것을 특징으로 하는 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법.
- 제 1항에 있어서, 상기 절연막은 HfO2 계열의 high-k 절연막을 특징으로 하는 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법.
- 제 1항에 있어서, 상기 Si 함유개스는 SiH4 인 것을 특징으로 하는 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법.
- 삭제
- 제 1항에 있어서, 상기 열처리 온도는 400~650℃인 것을 특징으로 하는 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법.
- 제 1항에 있어서, 상기 이온주입 에너지는 1 KeV 이하인 것을 특징으로 하는 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법.
- 제 1항에 있어서, 상기 이온주입된 실리콘의 농도는 1 x 1016/㎠ 이상인 것을 특징으로 하는 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법.
- 제 1항에 있어서, 상기 수소 농도비는 90% 이상인 것을 특징으로 하는 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법.
- 제 1항에 있어서, 상기 실리콘 나노결정 상부에는 SiO2 또는 high-k 절연막 층이 더 형성되는 것을 특징으로 하는 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법.
- 제 11항에 있어서, 상기 SiO2 또는 high-k 절연막 층은 화학기상증착(CVD)방법에 의해 형성되는 것을 특징으로 하는 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법.
- 실리콘 기판;상기 실리콘 기판 위에 형성된 소정 두께의 절연막; 및청구항 제 1항 내지 제 12항 중 어느 한 항에 따른 실리콘 나노 결정체 형성방법에 의해, 수소와 Si 함유개스를 이용하여 상기 절연막에 이온을 주입한 후 열처리를 통해 형성된 실리콘 나노결정;을 포함하는 반도체 소자.
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KR1020050051995A KR100699846B1 (ko) | 2005-06-16 | 2005-06-16 | SiH4 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법 및 이를 포함한 반도체 소자 |
US11/452,397 US7449398B2 (en) | 2005-06-16 | 2006-06-14 | Methods of forming silicon nano-crystals using plasma ion implantation and semiconductor devices using the same |
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KR1020050051995A KR100699846B1 (ko) | 2005-06-16 | 2005-06-16 | SiH4 플라즈마 이온주입을 이용한 실리콘 나노 결정체 형성방법 및 이를 포함한 반도체 소자 |
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US5620906A (en) * | 1994-02-28 | 1997-04-15 | Semiconductor Energy Laboratory Co., Ltd. | Method for producing semiconductor device by introducing hydrogen ions |
JP3727449B2 (ja) * | 1997-09-30 | 2005-12-14 | シャープ株式会社 | 半導体ナノ結晶の製造方法 |
JP3027968B2 (ja) * | 1998-01-29 | 2000-04-04 | 日新電機株式会社 | 成膜装置 |
US6143631A (en) * | 1998-05-04 | 2000-11-07 | Micron Technology, Inc. | Method for controlling the morphology of deposited silicon on a silicon dioxide substrate and semiconductor devices incorporating such deposited silicon |
US6344403B1 (en) * | 2000-06-16 | 2002-02-05 | Motorola, Inc. | Memory device and method for manufacture |
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