JP4959153B2 - 引張り歪みSiGeオン・インシュレータ(SGOI)上の歪みSiMOSFET - Google Patents
引張り歪みSiGeオン・インシュレータ(SGOI)上の歪みSiMOSFET Download PDFInfo
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- JP4959153B2 JP4959153B2 JP2005182416A JP2005182416A JP4959153B2 JP 4959153 B2 JP4959153 B2 JP 4959153B2 JP 2005182416 A JP2005182416 A JP 2005182416A JP 2005182416 A JP2005182416 A JP 2005182416A JP 4959153 B2 JP4959153 B2 JP 4959153B2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6741—Group IV materials, e.g. germanium or silicon carbide
- H10D30/6748—Group IV materials, e.g. germanium or silicon carbide having a multilayer structure or superlattice structure
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6758—Thin-film transistors [TFT] characterised by the insulating substrates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/751—Insulated-gate field-effect transistors [IGFET] having composition variations in the channel regions
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/791—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P90/00—Preparation of wafers not covered by a single main group of this subclass, e.g. wafer reinforcement
- H10P90/19—Preparing inhomogeneous wafers
- H10P90/1904—Preparing vertically inhomogeneous wafers
- H10P90/1906—Preparing SOI wafers
- H10P90/1914—Preparing SOI wafers using bonding
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
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- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/691—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator comprising metallic compounds, e.g. metal oxides or metal silicates
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Description
絶縁層上に位置する引張り歪みSiGe合金層を含むSiGeオン・インシュレータの基板と、
その引張り歪みSiGe合金層上の歪みSi層と、を含む。
緩和SiGe合金層より上に位置する、前記緩和SiGe合金層に比べて低いGe含有量を含有する少なくとも1つの引張り歪みSiGe合金層を含む第1多層化構造を形成するステップと、
前記緩和SiGe合金層の反対側の表面上にある第2多層化構造の絶縁層に、前記第1多層化構造を接合するステップと、
前記緩和SiGe合金層を除去するステップと、を含む。
16:引張り歪みSiGe合金層
20:絶縁層
50:FET領域
Claims (24)
- 絶縁層上に位置する引張り歪みSiGe合金層を含むSiGeオン・インシュレータの基板と、
前記引張り歪みSiGe合金層上の歪みSi層と、
を含み、
前記引張り歪みSiGe合金層が1.0から35原子パーセントのGeを含むことを特徴とする半導体構造。 - 前記絶縁層が、酸化物、窒化物、酸窒化物、又はこれらの任意の組み合わせを含む請求項1に記載の半導体構造。
- 前記絶縁層が酸化物である請求項2に記載の半導体構造。
- 前記絶縁層が1nmから1000nmの厚みを有する請求項1に記載の半導体構造。
- 前記引張り歪みSiGe合金が5nmから300nmの厚みを有する請求項1に記載の半導体構造。
- 前記引張り歪みSiGe合金層と前記絶縁層との間に少なくとも1つの第2半導体材料をさらに含む請求項1に記載の半導体構造。
- 前記少なくとも1つの第2半導体材料が、Si、SiGe、Ge、GaAs、InAs、InP、又は他のIII/V及びII/VI化合物半導体を含む請求項6に記載の半導体構造。
- 前記絶縁層の下側に基板をさらに含む請求項1に記載の半導体構造。
- 前記基板が、Si、SiGe、Ge、GaAs、InAs、InP、又は他のIII/V及びII/VI化合物半導体を含む請求項8に記載の半導体構造。
- 前記歪みSi層上に位置する少なくとも1つの電界効果トランジスタをさらに含む請求項1に記載の半導体構造。
- 半導体構造を形成する方法であって、
緩和SiGe合金層より上に位置し、前記緩和SiGe合金層に比べて少なく、1.0から35原子パーセントのGe含有量を含有する少なくとも1つの引張り歪みSiGe合金層を含み、前記引張り歪みSiGe合金層と前記緩和SiGe合金層との間に歪みSi層をさらに含む第1多層化構造を形成するステップと、
前記第1多層化構造の前記引張り歪みSiGe合金層の露出した上面に、第2多層化構造の絶縁層の露出した上面を接合するステップと、
前記緩和SiGe合金層を除去するステップと、
を含むことを特徴とする方法。 - 前記引張り歪みSiGe合金が、エピタキシャル成長によって形成される請求項11に記載の方法。
- 前記歪みSi層が2軸引張り歪み状態にある請求項11に記載の方法。
- 前記接合することが、前記第1多層化構造と前記第2多層化構造とを接触させることを含む請求項11に記載の方法。
- 前記接触させる間に前記第1多層化構造と前記第2多層化構造とに外力を与えることをさらに含む請求項14に記載の方法。
- 前記接触させることが、15℃から40℃の温度又は40℃より高い温度で行われる請求項14に記載の方法。
- 前記接触させた後にアニール処理ステップをさらに含む請求項14に記載の方法。
- 前記緩和SiGe合金層の前記除去が、化学的機械研磨、ウェハ劈開、化学エッチング、又はこれらの組み合わせを含む請求項11に記載の方法。
- 前記緩和SiGe合金層の前記除去の後に、前記歪みSi層上に少なくとも1つの電界効果トランジスタを形成することをさらに含む請求項11に記載の方法。
- 前記第2多層化構造が少なくとも1つの基板を含む請求項11に記載の方法。
- 半導体構造を形成する方法であって、
緩和SiGe合金層より上に位置し、前記緩和SiGe合金層に比べて少なく、1.0から35原子パーセントのGe含有量を含有する少なくとも1つの引張り歪みSiGe合金層を含む第1多層化構造を形成するステップと、
前記第1多層化構造の前記引張り歪みSiGe合金層の露出した上面に、第2多層化構造の絶縁層の露出した上面を接合するステップと、
前記緩和SiGe合金層を除去するステップと、
前記緩和SiGe合金層の前記除去の後に、前記引張り歪みSiGe合金上に歪みSi層を形成するステップと、
を含むことを特徴とする方法。 - 前記歪みSi層上に少なくとも1つの電界効果トランジスタを形成することをさらに含む請求項21に記載の方法。
- 半導体構造を形成する方法であって、
緩和SiGe合金層より上に位置し、前記緩和SiGe合金層に比べて少なく、1.0から35原子パーセントのGe含有量を含有する引張り歪みSiGe合金層と、歪みSi層とを含む第1多層化構造を形成するステップと、
前記第1多層化構造の前記引張り歪みSiGe合金層の露出した上面に、第2多層化構造の絶縁層の露出した上面を接合するステップと、
前記緩和SiGe合金層を除去して前記歪みSiの表面を露出するステップと、
を含むことを特徴とする方法。 - 前記歪みSi層の前記露出した表面上に少なくとも1つの電界効果トランジスタを形成することをさらに含む請求項23に記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/883,443 US7217949B2 (en) | 2004-07-01 | 2004-07-01 | Strained Si MOSFET on tensile-strained SiGe-on-insulator (SGOI) |
| US10/883,443 | 2004-07-01 |
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| Publication Number | Publication Date |
|---|---|
| JP2006019725A JP2006019725A (ja) | 2006-01-19 |
| JP4959153B2 true JP4959153B2 (ja) | 2012-06-20 |
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| JP2005182416A Expired - Fee Related JP4959153B2 (ja) | 2004-07-01 | 2005-06-22 | 引張り歪みSiGeオン・インシュレータ(SGOI)上の歪みSiMOSFET |
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| Country | Link |
|---|---|
| US (4) | US7217949B2 (ja) |
| JP (1) | JP4959153B2 (ja) |
| CN (1) | CN100461446C (ja) |
| TW (1) | TWI344209B (ja) |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI344209B (en) | 2011-06-21 |
| CN1716629A (zh) | 2006-01-04 |
| US20080042166A1 (en) | 2008-02-21 |
| JP2006019725A (ja) | 2006-01-19 |
| US7217949B2 (en) | 2007-05-15 |
| CN100461446C (zh) | 2009-02-11 |
| US20080220588A1 (en) | 2008-09-11 |
| US20060001088A1 (en) | 2006-01-05 |
| US7485518B2 (en) | 2009-02-03 |
| US20070155130A1 (en) | 2007-07-05 |
| US7507989B2 (en) | 2009-03-24 |
| TW200618277A (en) | 2006-06-01 |
| US8017499B2 (en) | 2011-09-13 |
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