JP2013511158A - イオン注入を用いた圧縮金属ゲート応力の導入によるトライゲートmosfetの駆動電流の増大化 - Google Patents
イオン注入を用いた圧縮金属ゲート応力の導入によるトライゲートmosfetの駆動電流の増大化 Download PDFInfo
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
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Abstract
Description
Claims (25)
- 半導体デバイスを製造する方法であって:
半導体材料の表面に前記半導体デバイスのフィンを形成する工程;
前記フィン上に前記半導体デバイス用の金属ゲート膜を形成する工程;及び
前記金属ゲート膜にイオンを注入する工程;
を有する方法。 - 前記半導体材料の表面は(100)結晶格子方向を有し、前記フィンの方向は、前記半導体材料の結晶格子に関して<100>方向に沿っている、あるいは
前記半導体材料の表面は(100)結晶格子方向を有し、前記フィンの方向は、前記半導体材料の結晶格子に関して<110>方向に沿っている、
請求項1に記載の方法。 - 前記フィン上に前記金属ゲート膜を形成する工程は、ゲートのゲートトレンチ内に共形金属膜を形成することを有し、
前記金属ゲート膜にイオンを注入する工程は、前記共形金属膜にイオンを注入することを有し、且つ
当該方法は更に、前記ゲートのゲートトレンチ内のイオン注入された前記共形金属膜上でゲートフィルを完了させる工程を有する、
請求項2に記載の方法。 - 前記金属ゲート膜にイオンを注入する工程は更に、約1×1015イオン/cm2と約1×1017イオン/cm2との間のドーズ量且つ約0.1keVと約500keVとの間の注入エネルギーでイオンを注入することを有する、請求項3に記載の方法。
- 前記共形金属膜は、アルミニウム、バリウム、クロム、コバルト、ハフニウム、イリジウム、鉄、ランタン及びその他のランタニド、モリブデン、ニオブ、オスミウム、パラジウム、白金、レニウム、ルテニウム、ロジウム、スカンジウム、ストロンチウム、タンタル、チタン、タングステン、バナジウム、イットリウム、亜鉛、若しくはジルコニウム、又はこれらの組み合わせを有する、請求項4に記載の方法。
- 前記イオンは、窒素、キセノン、アルゴン、ネオン、クリプトン、ラドン、炭素、アルミニウム、若しくはチタン、又はこれらの組み合わせを有する、請求項5に記載の方法。
- 前記半導体デバイスはfinFETデバイスを有する、請求項6に記載の方法。
- 前記共形金属膜を形成することは、原子層成長法又は化学気相成長法を用いて前記共形金属膜を形成することを有する、請求項7に記載の方法。
- 前記イオン注入された共形金属膜上で前記ゲートフィルを完了させる工程は、原子層成長法又は化学気相成長法を用いて前記ゲートフィルを完了させることを有する、請求項3に記載の方法。
- 前記イオンは、窒素、キセノン、アルゴン、ネオン、クリプトン、ラドン、炭素、アルミニウム、若しくはチタン、又はこれらの組み合わせを有する、請求項9に記載の方法。
- 前記金属ゲート膜にイオンを注入する工程は更に、約1×1015イオン/cm2と約1×1017イオン/cm2との間のドーズ量且つ約0.1keVと約500keVとの間の注入エネルギーでイオンを注入することを有する、請求項10に記載の方法。
- 前記共形金属膜は、アルミニウム、バリウム、クロム、コバルト、ハフニウム、イリジウム、鉄、ランタン及びその他のランタニド、モリブデン、ニオブ、オスミウム、パラジウム、白金、レニウム、ルテニウム、ロジウム、スカンジウム、ストロンチウム、タンタル、チタン、タングステン、バナジウム、イットリウム、亜鉛、若しくはジルコニウム、又はこれらの組み合わせを有する、請求項11に記載の方法。
- 前記半導体デバイスはfinFETデバイスを有する、請求項12に記載の方法。
- 半導体材料の表面に形成されたフィン;及び
前記フィン上に形成された金属ゲート膜であり、当該金属ゲート膜内に注入されたイオンを有する金属ゲート膜;
を有する半導体デバイス。 - 前記半導体材料の表面は(100)結晶格子方向を有し、前記フィンの方向は、前記半導体材料の結晶格子に関して<100>方向に沿っており、あるいは
前記半導体材料の表面は(100)結晶格子方向を有し、前記フィンの方向は、前記半導体材料の結晶格子に関して<110>方向に沿っており、
前記フィンは、前記金属ゲート膜内の圧縮応力によって生成される面外圧縮を有する、
請求項14に記載の半導体デバイス。 - 前記金属ゲート膜は:
ゲートのゲートトレンチ内に形成された共形金属膜であり、前記注入されたイオンが注入されている共形金属膜;及び
前記ゲートのゲートトレンチ内のイオン注入された前記共形金属膜上に形成されたゲートフィル;
を有する、請求項15に記載の半導体デバイス。 - 前記イオンは、約1×1015イオン/cm2と約1×1017イオン/cm2との間のドーズ量且つ約0.1keVと約500keVとの間の注入エネルギーで注入されている、請求項16に記載の半導体デバイス。
- 前記共形金属膜は、アルミニウム、バリウム、クロム、コバルト、ハフニウム、イリジウム、鉄、ランタン及びその他のランタニド、モリブデン、ニオブ、オスミウム、パラジウム、白金、レニウム、ルテニウム、ロジウム、スカンジウム、ストロンチウム、タンタル、チタン、タングステン、バナジウム、イットリウム、亜鉛、若しくはジルコニウム、又はこれらの組み合わせを有する、請求項17に記載の半導体デバイス。
- 前記イオンは、窒素、キセノン、アルゴン、ネオン、クリプトン、ラドン、炭素、アルミニウム、若しくはチタン、又はこれらの組み合わせを有する、請求項18に記載の半導体デバイス。
- 当該半導体デバイスはfinFETデバイスを有する、請求項19に記載の半導体デバイス。
- 前記共形金属膜は、原子層成長法又は化学気相成長法によって形成されている、請求項20に記載の半導体デバイス。
- 前記イオンは、窒素、キセノン、アルゴン、炭素、アルミニウム、若しくはチタン、又はこれらの組み合わせを有する、請求項15に記載の半導体デバイス。
- 前記イオンは、約1×1015イオン/cm2と約1×1017イオン/cm2との間のドーズ量且つ約0.1keVと約500keVとの間の注入エネルギーで注入されている、請求項22に記載の半導体デバイス。
- 前記共形金属膜は、アルミニウム、バリウム、クロム、コバルト、ハフニウム、イリジウム、鉄、ランタン及びその他のランタニド、モリブデン、ニオブ、オスミウム、パラジウム、白金、レニウム、ルテニウム、ロジウム、スカンジウム、ストロンチウム、タンタル、チタン、タングステン、バナジウム、イットリウム、亜鉛、若しくはジルコニウム、又はこれらの組み合わせを有する、請求項23に記載の半導体デバイス。
- 当該半導体デバイスはfinFETデバイスを有する、請求項24に記載の半導体デバイス。
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PCT/US2010/057174 WO2011087566A1 (en) | 2009-12-23 | 2010-11-18 | Drive current enhancement in tri-gate mosfets by introduction of compressive metal gate stress using ion implantation |
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US20160035891A1 (en) * | 2014-07-31 | 2016-02-04 | Qualcomm Incorporated | Stress in n-channel field effect transistors |
CN106328501B (zh) * | 2015-06-23 | 2019-01-01 | 中国科学院微电子研究所 | 半导体器件的制造方法 |
US10529717B2 (en) | 2015-09-25 | 2020-01-07 | International Business Machines Corporation | Orientation engineering in complementary metal oxide semiconductor fin field effect transistor integration for increased mobility and sharper junction |
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CN113253812B (zh) | 2021-06-21 | 2021-10-29 | 苏州浪潮智能科技有限公司 | 一种硬盘固定装置和服务器 |
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US6855990B2 (en) * | 2002-11-26 | 2005-02-15 | Taiwan Semiconductor Manufacturing Co., Ltd | Strained-channel multiple-gate transistor |
US6821834B2 (en) * | 2002-12-04 | 2004-11-23 | Yoshiyuki Ando | Ion implantation methods and transistor cell layout for fin type transistors |
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US7186599B2 (en) * | 2004-01-12 | 2007-03-06 | Advanced Micro Devices, Inc. | Narrow-body damascene tri-gate FinFET |
US7176092B2 (en) * | 2004-04-16 | 2007-02-13 | Taiwan Semiconductor Manufacturing Company | Gate electrode for a semiconductor fin device |
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US7393733B2 (en) * | 2004-12-01 | 2008-07-01 | Amberwave Systems Corporation | Methods of forming hybrid fin field-effect transistor structures |
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US7462538B2 (en) * | 2005-11-15 | 2008-12-09 | Infineon Technologies Ag | Methods of manufacturing multiple gate CMOS transistors having different gate dielectric materials |
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