JP2007535137A - 半導体構造 - Google Patents
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- JP2007535137A JP2007535137A JP2006551710A JP2006551710A JP2007535137A JP 2007535137 A JP2007535137 A JP 2007535137A JP 2006551710 A JP2006551710 A JP 2006551710A JP 2006551710 A JP2006551710 A JP 2006551710A JP 2007535137 A JP2007535137 A JP 2007535137A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 76
- 239000000463 material Substances 0.000 claims abstract description 208
- 239000002800 charge carrier Substances 0.000 claims abstract description 63
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 230000005641 tunneling Effects 0.000 claims description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 16
- 239000013078 crystal Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 4
- 239000002096 quantum dot Substances 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 229910000673 Indium arsenide Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000002070 nanowire Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 230000005533 two-dimensional electron gas Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- 229910017115 AlSb Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000001534 heteroepitaxy Methods 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000005610 quantum mechanics Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- -1 that is Substances 0.000 description 1
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Abstract
半導体構造が、少なくとも1つの第1材料領域及び1つの第2材料領域を有する。この場合、第2材料領域が、第1材料領域をエピタキシャルに包囲して界面を形成する。この構造は、フェルミ準位ピニングが両材料領域の界面に対向する第2材料領域の非エピタキシャル界面に存在し、第1材料領域が自由荷電キャリアに対する量子井戸を形成することを特徴とする。これによって、量子井戸内の制御可能な荷電キャリア濃度が調整され得る。
Description
One-dimentional heterostructures in semiconductor nanowhiskers. Applied Physics Letters 80, 1058 Sharp exciton emission from single InAs Quantum dots in GaAs nan owires. Applied Physics Letters 83, 2238 Lueth H (1996)著,Surfaces and interfaces of solid materials. 3r d edition, Springer Study Edition,第458 頁
−Aly Ga1-y As(材料領域1)及びAlx Ga1-x As(材料領域3),量子井戸内にステップ(バンドの不連続性)を形成するためx>y;
−InP(材料領域1)及びInx Al1-x As,xは、InPに対する格子適合を可能にする;
−Inx Al1-x As(材料領域1)及びInP(材料領域3),xは、InPに対する格子適合を可能にする。
−Aly Ga1-y N(材料領域1)及びAlx Ga1-x N,x>y;
−Si(材料領域1又は3)及びSix Ge1-x (材料領域1又は3),結晶歪に応じて及び電子又は正孔かどうかに応じて要求されている;
−ZnO(材料領域1)及びAlx Ga1-x N(材料領域3);
−InAs(材料領域1)及びAlSb(材料領域3)。
2 界面
3 第2材料領域
4 界面
5 別の材料領域
6 第1非エピタキシャル界面
7 絶縁体
Claims (13)
- 少なくとも1つの第1材料領域(1)及び1つの第2材料領域から成る半導体構造にあって、この場合、第2材料領域(3)が、第1材料領域(1)をエピタキシャルに包囲して界面(2)を形成する半導体構造において、
フェルミ準位ピニング(9)が、両材料領域(1,3)の界面(2)に対向する第2材料領域(3)の非エピタキシャル界面(4)に存在し、第1材料領域(1)が、自由荷電キャリアに対する量子井戸を形成するように、第1及び第2材料領域(1,3)の材料及び/又はこれらの材料領域の寸法及び/又はこれらの材料領域のドープが、提供されていることを特徴とする半導体構造。 - 少なくとも1つの第1材料領域(1)及び1つの第2材料領域から成る半導体構造にあって、この場合、第2材料領域(3)が、第1材料領域(1)をエピタキシャルに包囲して界面(2)を形成する半導体構造において、
フェルミ準位ピニング(9)が、両材料領域(1,3)の界面(2)に対向する第2材料領域(3)の非エピタキシャル界面(4)に存在し、第1材料領域(1)が、自由荷電キャリアに対する量子井戸を形成することを特徴とする半導体構造。 - フェルミ準位ピニング(9)は、一方又は両方の材料領域(1,3)の材料及び/又は寸法及び/又はドープ及び/又はドープ分布を選択することによって決定されることを特徴とする請求項2に記載の半導体構造。
- 別の材料領域(5)が、第2材料領域(3)上にエピタキシャルに配置されていて、その結果、フェルミ準位ピニングが、第2材料領域(3)と別の材料領域(5)との間のエピタキシャル界面(4)に対向する非エピタキシャル界面(6)で初めて存在することを特徴とする請求項1〜3のいずれか1項に記載の半導体構造。
- 第1材料領域(1)は、100 ナノメートル未満、特に0.5 〜50ナノメートルのx位置方向の寸法aを有することを特徴とする請求項1〜4のいずれか1項に記載の半導体構造。
- フェルミ準位ピニングが存在する非エピタキシャル界面(4,6)に対する量子井戸の最短距離は、デプレッション長dを下回らないことを特徴とする請求項1〜5のいずれか1項に記載の半導体構造。
- 別の材料領域(5)用の材料は、第1材料領域(1)の材料と同じであることを特徴とする請求項1〜6のいずれか1項に記載の半導体構造。
- 金属が、別の材料領域(5)用の材料であることを特徴とする請求項1〜7のいずれか1項に記載の半導体構造。
- 第1及び第2材料領域(1,3)の材料は、擬似格子整合を示しかつ互いに転位なしに配置されていることを特徴とする請求項1〜8のいずれか1項に記載の半導体構造。
- Aly Ga1-y As及びAlx Ga1-x As,x>yが、量子井戸内のステップ(バンドの不連続性)を形成する第1及び第2材料領域(1,3)用の材料であることを特徴とする請求項1〜9のいずれか1項に記載の半導体構造。
- 少なくとも1010 cm -3、特に少なくとも1016 cm -3の自由荷電キャリア濃度が、第1材料領域(1)中に存在することを特徴とする請求項1〜10のいずれか1項に記載の半導体構造。
- 半導体構造の少なくとも一部が、荷電キャリアを制御するゲート機能を有する金属(ショットキー)電極(7)を有することを特徴とする請求項1〜11のいずれか1項に記載の半導体構造。
- トランジスタ,レーザー,共振トンネルダイオード又はその他のヘテロ構造が、請求項1〜12のいずれか1項に記載の半導体構造を有する。
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DE102004005363.4 | 2004-02-03 | ||
DE102004005363A DE102004005363A1 (de) | 2004-02-03 | 2004-02-03 | Halbleiter-Struktur |
PCT/DE2005/000080 WO2005076363A1 (de) | 2004-02-03 | 2005-01-21 | Halbleiter-struktur |
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KR20100137566A (ko) * | 2008-04-15 | 2010-12-30 | 큐나노 에이비 | 나노와이어 랩 게이트 디바이스들 |
US7960715B2 (en) * | 2008-04-24 | 2011-06-14 | University Of Iowa Research Foundation | Semiconductor heterostructure nanowire devices |
Citations (5)
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JPH02111036A (ja) * | 1988-10-20 | 1990-04-24 | Fujitsu Ltd | 高移動度トランジスタ |
JPH04174560A (ja) * | 1990-07-18 | 1992-06-22 | Fujitsu Ltd | 半導体装置とその製造方法 |
JPH07142513A (ja) * | 1993-06-28 | 1995-06-02 | Nec Corp | 電界効果トランジスタ |
JPH08255898A (ja) * | 1994-12-14 | 1996-10-01 | Toshiba Corp | 半導体装置 |
WO2002080280A1 (en) * | 2001-03-30 | 2002-10-10 | The Regents Of The University Of California | Methods of fabricating nanostructures and nanowires and devices fabricated therefrom |
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DE3072175D1 (de) * | 1979-12-28 | 1990-04-26 | Fujitsu Ltd | Halbleitervorrichtungen mit heterouebergang. |
JPH088350B2 (ja) * | 1985-04-08 | 1996-01-29 | 日本電気株式会社 | 半導体装置 |
GB2219130A (en) * | 1988-05-25 | 1989-11-29 | Philips Electronic Associated | A high mobility semiconductor device |
US5362972A (en) * | 1990-04-20 | 1994-11-08 | Hitachi, Ltd. | Semiconductor device using whiskers |
KR950012911B1 (ko) * | 1991-02-19 | 1995-10-23 | 후지쓰 가부시끼가이샤 | 산소가 보강된 격리 영역이 있는 반도체와 그 제조방법 |
JP3635683B2 (ja) * | 1993-10-28 | 2005-04-06 | ソニー株式会社 | 電界効果トランジスタ |
US5793055A (en) * | 1995-11-30 | 1998-08-11 | Forschungszentrum Julich Gmbh | Hybrid electronic devices, particularly Josephson transistors |
JP2002083931A (ja) * | 2000-09-08 | 2002-03-22 | Nec Corp | 半導体集積回路装置 |
IL138471A0 (en) * | 2000-09-14 | 2001-10-31 | Yissum Res Dev Co | Novel semiconductor materials and their uses |
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2004
- 2004-02-03 DE DE102004005363A patent/DE102004005363A1/de not_active Withdrawn
-
2005
- 2005-01-21 EP EP05714886A patent/EP1711964A1/de not_active Withdrawn
- 2005-01-21 US US10/588,243 patent/US20070267626A1/en not_active Abandoned
- 2005-01-21 JP JP2006551710A patent/JP5335194B2/ja active Active
- 2005-01-21 WO PCT/DE2005/000080 patent/WO2005076363A1/de active Application Filing
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JPH02111036A (ja) * | 1988-10-20 | 1990-04-24 | Fujitsu Ltd | 高移動度トランジスタ |
JPH04174560A (ja) * | 1990-07-18 | 1992-06-22 | Fujitsu Ltd | 半導体装置とその製造方法 |
JPH07142513A (ja) * | 1993-06-28 | 1995-06-02 | Nec Corp | 電界効果トランジスタ |
JPH08255898A (ja) * | 1994-12-14 | 1996-10-01 | Toshiba Corp | 半導体装置 |
WO2002080280A1 (en) * | 2001-03-30 | 2002-10-10 | The Regents Of The University Of California | Methods of fabricating nanostructures and nanowires and devices fabricated therefrom |
JP2004532133A (ja) * | 2001-03-30 | 2004-10-21 | ザ・リージェンツ・オブ・ザ・ユニバーシティ・オブ・カリフォルニア | ナノ構造及びナノワイヤーの組立方法並びにそれらから組立てられた装置 |
Also Published As
Publication number | Publication date |
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US20070267626A1 (en) | 2007-11-22 |
EP1711964A1 (de) | 2006-10-18 |
JP5335194B2 (ja) | 2013-11-06 |
DE102004005363A1 (de) | 2005-09-08 |
WO2005076363A1 (de) | 2005-08-18 |
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