JP5400276B2 - SiCGe結晶薄膜の製造方法 - Google Patents
SiCGe結晶薄膜の製造方法 Download PDFInfo
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- JP5400276B2 JP5400276B2 JP2007099218A JP2007099218A JP5400276B2 JP 5400276 B2 JP5400276 B2 JP 5400276B2 JP 2007099218 A JP2007099218 A JP 2007099218A JP 2007099218 A JP2007099218 A JP 2007099218A JP 5400276 B2 JP5400276 B2 JP 5400276B2
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- sicge
- film
- thin film
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- sige
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- 239000013078 crystal Substances 0.000 title claims description 40
- 239000010409 thin film Substances 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 13
- 238000010000 carbonizing Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 239000010408 film Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 22
- 238000003763 carbonization Methods 0.000 description 17
- 229910010271 silicon carbide Inorganic materials 0.000 description 12
- 239000000463 material Substances 0.000 description 6
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 5
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910017083 AlN Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- 229910018540 Si C Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Images
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- Chemical Vapour Deposition (AREA)
- Recrystallisation Techniques (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Carbon And Carbon Compounds (AREA)
Description
本発明によりSiCGe結晶薄膜を成長させた。図1を参照しつつ手順を説明する。
基板上に成長している膜を評価するために下記の各測定を行なった。
結合状態を評価するためにFTIR(フーリエ変換赤外分光法)を行なった。図2に測定結果を示す。Si−C結合による796cm−1付近の強い吸収ピークが確認された。
結晶状態を評価するためにXRD(X線回折法)を行なった。36°付近の回折ピークが認められた。これは立方晶SiCの(111)面または六方晶SiCの(0001)面からの回折ピークに相当する。
XPS(X線光電子分光法)により、成長薄膜の表面から深さ方向の元素濃度プロファイルを求めた。図3に測定結果を示す。Ge濃度5at%、厚さ20nmのSiCGe膜と、厚さ40nmの遷移層が認められる。すなわち図1(3)の状態であり、表面に成長したSiCGe膜14の下に、成長母体であるSiGe膜12が残留している状態である。
12 SiGe膜
14 SiCGe膜
Claims (1)
- 基板上のSiGe結晶薄膜を、炭化水素ガス雰囲気下で、前記SiGe結晶薄膜の融点未満である900℃〜1000℃で炭化することによりSiCGe結晶薄膜を製造する方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2007099218A JP5400276B2 (ja) | 2007-04-05 | 2007-04-05 | SiCGe結晶薄膜の製造方法 |
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JP2007099218A JP5400276B2 (ja) | 2007-04-05 | 2007-04-05 | SiCGe結晶薄膜の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2008258410A JP2008258410A (ja) | 2008-10-23 |
JP5400276B2 true JP5400276B2 (ja) | 2014-01-29 |
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JP2007099218A Expired - Fee Related JP5400276B2 (ja) | 2007-04-05 | 2007-04-05 | SiCGe結晶薄膜の製造方法 |
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JP (1) | JP5400276B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2011086929A1 (ja) * | 2010-01-15 | 2011-07-21 | 住友化学株式会社 | 半導体基板、電子デバイス及び半導体基板の製造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000091261A (ja) * | 1998-09-14 | 2000-03-31 | Matsushita Electric Ind Co Ltd | 半導体結晶の製造方法 |
JP2007095800A (ja) * | 2005-09-27 | 2007-04-12 | Toshiba Ceramics Co Ltd | 半導体基板の製造方法 |
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