JP3772272B2 - I−vii族半導体単結晶薄膜およびその製造方法 - Google Patents
I−vii族半導体単結晶薄膜およびその製造方法 Download PDFInfo
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- 239000010409 thin film Substances 0.000 title claims description 180
- 239000013078 crystal Substances 0.000 title claims description 87
- 239000004065 semiconductor Substances 0.000 title claims description 84
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 134
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 134
- 238000010894 electron beam technology Methods 0.000 claims description 103
- 239000010408 film Substances 0.000 claims description 76
- 239000000758 substrate Substances 0.000 claims description 53
- 230000001678 irradiating effect Effects 0.000 claims description 46
- 229910004261 CaF 2 Inorganic materials 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 18
- 230000005684 electric field Effects 0.000 claims description 15
- 238000001451 molecular beam epitaxy Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 description 37
- 238000005259 measurement Methods 0.000 description 16
- 238000000295 emission spectrum Methods 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 238000001228 spectrum Methods 0.000 description 10
- 230000007547 defect Effects 0.000 description 9
- 238000004364 calculation method Methods 0.000 description 8
- 238000000089 atomic force micrograph Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 7
- 230000036632 reaction speed Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000005281 excited state Effects 0.000 description 2
- 229910001507 metal halide Inorganic materials 0.000 description 2
- 150000005309 metal halides Chemical class 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 238000002128 reflection high energy electron diffraction Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02568—Chalcogenide semiconducting materials not being oxides, e.g. ternary compounds
-
- C—CHEMISTRY; METALLURGY
- 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
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
- C30B23/02—Epitaxial-layer growth
-
- C—CHEMISTRY; METALLURGY
- 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
- C30B29/10—Inorganic compounds or compositions
- C30B29/12—Halides
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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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/0242—Crystalline insulating materials
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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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02488—Insulating materials
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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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
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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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/02631—Physical deposition at reduced pressure, e.g. MBE, sputtering, evaporation
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Description
S.Yano, T.Goto, and T.Itoh, J.Appl.Phys.79 (1996) p.8216 A.Ekimov, Al.L.Efros, and A.A.Onushchenko, Solid State Commun.56 (1985) p.921 T.Itoh, Y.Iwabuchi and M.Kataoka, Phy.Stat.Sol.B145 (1988) p.567 G.R.Olbright and N.Peyghambarian, Solid State Common.58 (1986) p.337 R.S.Williams, D.K.Shuh and Y.Segawa, J.Vac.Sci.Technol.A6 (1988) p.337 A.Kahn, S.Ahsan, W.Chen and M.Damas, Phys.Rev.Lett.68 (1992) p.3200 A.Yanase, Y.Segawa, Surf.Sci.278 (1992) L105 H.Ishihara, T.Amakata, K.Cho, Phys.Rev.B65, 2001, 035305 K.Cho, J.Phys.Soc.Jpn.55, 1986, p.4113
本発明の実施例について、図1〜図5を用いて説明する。
図1は、本実施例にかかるI−VII族半導体単結晶薄膜であるCuCl薄膜1が形成された基板(CaF2(111)基板2上)2の構成を示す断面図である。
この図に示すように、本実施例にかかるCuCl薄膜1は、電子線を照射しながら形成された電子線照射膜1aと、形成中に電子線を照射されていない電子線非照射膜1bとからなる。また、CuCl薄膜1は、CaF2(111)基板2上に形成されたCaF2buffer層(バッファ層)3上に形成されている。なお、CuClおよびCaF2の結晶構造は、それぞれ閃亜鉛型構造、蛍石型構造と異なるが、両者の格子不整合は約1%(CuCl、CaF2の格子定数はそれぞれ0.5406nm、0,5463nm)と非常に小さい。このため、CuCl薄膜はCaF2基板上にエピタキシャル成長可能である。
まず、CaF2(111)基板2を、650℃で1時間サーマルクリーニング(熱的洗浄)し、表面に付着している自然酸化膜などの不純物を除去した。
図2は、CuCl薄膜1の、原子間力顕微鏡(AFM)像である。また、図3は、電子線照射を行わない以外は、CuCl薄膜1と同様の条件で形成したCuCl薄膜の、AFM像である。すなわち、図3は、CaF2(111)基板2上に形成されたCaF2バッファ層3上に、電子線を照射せずに基板温度180℃、成長速度0.065nm/sでMBE法によって形成された膜厚65nmのCuCl膜のAFM像である。
本発明の他の実施例について、図6〜図8を用いて説明する。
本実施例に係るCuCl薄膜(以下に示す6つの試料)は、実施例1のCuCl薄膜1と同様、CaF2(111)基板2上に形成された膜厚約50nmのCaF2buffer層(CaF2バッファ層)3上に形成されている。ただし、本実施例に係るCuCl薄膜の膜厚は、内部電場の共鳴増大が最も顕著に起こるとされている膜厚約30nmとした。なお、製造方法については、CuCl薄膜の膜厚が異なる他は、実施例1と同様の方法で形成した。
すなわち、電子線を照射せずに膜厚約30nmのCuClを形成したCuCl薄膜10、電子線照射膜厚約6nmのCuCl薄膜11、電子線照射膜厚約12nmのCuCl薄膜12、電子線照射膜厚約15nmのCuCl薄膜13、電子線照射膜厚約18nmのCuCl薄膜14、膜厚約30nmすべてについて電子線を照射しながら形成したCuCl薄膜15を作成した。
1a 電子線照射膜
1b 電子線非照射膜
2 CaF2(111)基板(基板)
3 CaF2buffer層(バッファ層)
Claims (7)
- CaF 2 (111)基板上に形成されたI−VII族半導体単結晶薄膜であって、
CuCl薄膜が、上記CaF 2 (111)基板上に形成された、上記CaF 2 (111)基板と上記CuCl薄膜との格子定数の相違による歪みを緩和するためのバッファ層上に、電子線を照射しながら形成されてなるものであり、
上記CuCl薄膜は、
電子線を照射しながら形成された層と、電子線を照射せずに形成された層とからなることを特徴とするI−VII族半導体単結晶薄膜。 - 上記CuCl薄膜は、
内部電場が共鳴的に増大する膜厚であることを特徴とする請求項1に記載のI−VII族半導体単結晶薄膜。 - 上記CuCl薄膜は、
上記基板面に垂直な方向から見て、電子線を照射しながら形成された領域と、電子線を照射されずに形成された領域とを含むことを特徴とする請求項1または2に記載のI−VII族半導体単結晶薄膜。 - CaF 2 (111)基板上に形成されるI−VII族半導体単結晶薄膜の製造方法であって、
上記CaF 2 (111)基板上に、上記CaF 2 (111)基板とCuCl薄膜との格子定数の相違による歪みを緩和するためのバッファ層を形成する工程と、
上記バッファ層上に、上記CuCl薄膜を、分子線エピキタシー法を用いて電子線を照射しながら形成する工程とを含み、
上記CuCl薄膜の一部の層は、電子線を照射しながら形成し、
上記CuCl薄膜の残りの層は、電子線を照射せずに形成することを特徴とするI−VII族半導体単結晶薄膜の製造方法。 - 形成するCuCl薄膜の膜厚に応じて、電子線を照射しながら形成する部分の膜厚と、電子線を照射せずに形成する部分の膜厚とを決定することを特徴とする請求項48に記載のI−VII族半導体単結晶薄膜の製造方法。
- 上記CuCl薄膜の膜厚を、
内部電場が共鳴的に増大する膜厚とすることを特徴とする請求項4または5に記載のI−VII族半導体単結晶薄膜の製造方法。 - 上記バッファ層を、分子線エピキタシー法を用いて形成することを特徴とする請求項4から6の何れか1項に記載のI−VII族半導体単結晶薄膜の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2004037441A JP3772272B2 (ja) | 2004-02-13 | 2004-02-13 | I−vii族半導体単結晶薄膜およびその製造方法 |
PCT/JP2004/017777 WO2005078788A1 (ja) | 2004-02-13 | 2004-11-30 | I-vii族半導体単結晶薄膜およびその製造方法 |
US10/589,003 US7683457B2 (en) | 2004-02-13 | 2004-11-30 | Group I-VII semiconductor single crystal thin film and process for producing same |
CA2555582A CA2555582C (en) | 2004-02-13 | 2004-11-30 | Group i-vii semiconductor single crystal thin film and process for producing same |
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JP2004037441A JP3772272B2 (ja) | 2004-02-13 | 2004-02-13 | I−vii族半導体単結晶薄膜およびその製造方法 |
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JP2005228995A JP2005228995A (ja) | 2005-08-25 |
JP3772272B2 true JP3772272B2 (ja) | 2006-05-10 |
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US (1) | US7683457B2 (ja) |
JP (1) | JP3772272B2 (ja) |
CA (1) | CA2555582C (ja) |
WO (1) | WO2005078788A1 (ja) |
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KR101258232B1 (ko) | 2012-12-24 | 2013-04-25 | 서울반도체 주식회사 | 복수개의 파장변환 물질층들을 갖는 발광 소자 |
KR101883176B1 (ko) * | 2017-08-29 | 2018-08-24 | 주식회사 페타룩스 | 할로겐화구리 컬러 광센서 구조 및 제조방법 |
US20220344525A1 (en) * | 2020-04-13 | 2022-10-27 | CapeSym, Inc. | Halide-Semiconductor Radiation Detector |
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JPS55901B2 (ja) | 1974-06-07 | 1980-01-10 | ||
JPS63232311A (ja) | 1987-02-20 | 1988-09-28 | Tokyo Inst Of Technol | 半導体薄膜の製造方法 |
JP3109109B2 (ja) * | 1990-07-12 | 2000-11-13 | ソニー株式会社 | 周期ドメイン反転構造を有する光デバイス装置の製造方法 |
JPH05194085A (ja) | 1992-01-24 | 1993-08-03 | Fujitsu Ltd | 高温超伝導薄膜の形成方法 |
JPH05330822A (ja) | 1992-05-26 | 1993-12-14 | Fujitsu Ltd | 酸化物超伝導体膜の製造装置及び酸化物超伝導体膜の製造方法 |
FR2808531B1 (fr) * | 2000-05-05 | 2004-09-17 | Rhodia Chimie Sa | Complexe silicone/adhesif dont l'interface possede une force de decollement modulable par irradiation par faisceau d'electrons |
TW200419279A (en) * | 2003-03-28 | 2004-10-01 | Adv Lcd Tech Dev Ct Co Ltd | Method and apparatus for forming crystalline portions of semiconductor film |
US20050150758A1 (en) * | 2004-01-09 | 2005-07-14 | Yakshin Andrey E. | Processes and device for the deposition of films on substrates |
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- 2004-02-13 JP JP2004037441A patent/JP3772272B2/ja not_active Expired - Fee Related
- 2004-11-30 US US10/589,003 patent/US7683457B2/en not_active Expired - Fee Related
- 2004-11-30 WO PCT/JP2004/017777 patent/WO2005078788A1/ja active Application Filing
- 2004-11-30 CA CA2555582A patent/CA2555582C/en not_active Expired - Fee Related
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US20070090341A1 (en) | 2007-04-26 |
CA2555582A1 (en) | 2005-08-25 |
JP2005228995A (ja) | 2005-08-25 |
US7683457B2 (en) | 2010-03-23 |
WO2005078788A1 (ja) | 2005-08-25 |
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