KR20050056969A - 전기 접합부에서 반도체의 페르미 레벨을 디피닝하기 위한방법 및 그 접합부들을 통합하는 장치 - Google Patents
전기 접합부에서 반도체의 페르미 레벨을 디피닝하기 위한방법 및 그 접합부들을 통합하는 장치 Download PDFInfo
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- KR20050056969A KR20050056969A KR1020057002427A KR20057002427A KR20050056969A KR 20050056969 A KR20050056969 A KR 20050056969A KR 1020057002427 A KR1020057002427 A KR 1020057002427A KR 20057002427 A KR20057002427 A KR 20057002427A KR 20050056969 A KR20050056969 A KR 20050056969A
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
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- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28537—Deposition of Schottky electrodes
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- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
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- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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
- H01L29/80—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier
- H01L29/806—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier with Schottky drain or source contact
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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
- H01L29/80—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier
- H01L29/812—Field effect transistors with field effect produced by a PN or other rectifying junction gate, i.e. potential-jump barrier with a Schottky gate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
- H01L29/872—Schottky diodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- 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
- H01L29/785—Field effect transistors with field effect produced by an insulated gate having a channel with a horizontal current flow in a vertical sidewall of a semiconductor body, e.g. FinFET, MuGFET
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Abstract
Description
Claims (61)
- 3전기 장치로서,금속;페르미 레벨을 갖는 실리콘-기재 반도체; 및상기 금속과 상기 반도체 사이에 배치되어 이들 모두와 접촉되며 상기 반도체의 페르미 레벨을 디핑시키도록 구성되는 인터페이스층을 포함하며,상기 전기 장치는 약 1000 Ω-㎛2 이하의 비콘택 저항을 가지는 것을 특징으로 하는 전기 장치.
- 제 1 항에 있어서,상기 인터페이스층은 패시베이션(passivating) 재료를 포함하는 것을 특징으로 하는 전기 장치.
- 제 2 항에 있어서,상기 패시베이션 재료는 질화물, 불화물, 산화물, 옥시질화물, 수소화물 및/또는 실리콘 비화물중 하나 이상을 포함하는 것을 특징으로 하는 전기 장치.
- 제 3 항에 있어서,상기 인터페이스층은 상기 반도체의 페르미 레벨을 디핑시키도록 구성된 단층으로 이루어지는 것을 특징으로 하는 전기 장치.
- 제 2 항에 있어서,상기 인터페이스층은 분리층(separation layer)을 더 포함하는 것을 특징으로 하는 전기 장치.
- 제 1 항에 있어서,상기 비콘택 저항은 약 100 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 1 항에 있어서,상기 비콘택 저항은 약 50 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 1 항에 있어서,상기 비콘택 저항은 약 10 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 1 항에 있어서,상기 비콘택 저항은 약 1 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 1 항에 있어서,상기 인터페이스층은 질소를 함유한 재료의 존재하에 상기 반도체를 열처리함으로써 제조된 패시베이션층을 포함하는 것을 특징으로 하는 전기 장치.
- 제 10 항에 있어서,상기 질소를 함유한 재료는 암모니아(NH3), 질소(N2) 또는 비결합 질소(N)중 적어도 하나를 포함하는 것을 특징으로 하는 전기 장치.
- 전기 장치로서,금속-인터페이스층-Si-기재 반도체 접합부를 포함하며,상기 인터페이스층은 패시베이션 재료를 포함하며, 상기 전기 장치는 약 1000 Ω-㎛2 미만의 비콘택 저항을 가지는 것을 특징으로 하는 전기 장치.
- 제 12 항에 있어서,상기 비콘택 저항은 약 100 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 12 항에 있어서,상기 비콘택 저항은 약 50 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 12 항에 있어서,상기 비콘택 저항은 약 10 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 12 항에 있어서,상기 비콘택 저항은 약 1 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 12 항에 있어서,상기 패시베이션 재료는 질화물, 산화물, 옥시질화물, 수소화물, 불화물 및/또는 실리콘 비화물중 하나 이상을 포함하는 것을 특징으로 하는 전기 장치.
- 제 17 항에 있어서,상기 인터페이스층은 패시베이션층 및 분리층을 포함하는 것을 특징으로 하는 전기 장치.
- 반도체 표면과 도체 사이에 배치된 인터페이스층을 이용하여 전기 접합부내에 실리콘-기재 반도체의 페르미 레벨을 디피닝시키는 단계를 포함하는 방법으로서,상기 인터페이스층은 상기 반도체내에 금속-유도 갭 상태의 효과를 감소시키면서 약 1000 Ω-㎛2 이하의 비콘택 저항을 갖는 접합부를 제공하기에 충분한 두께를 가지며, 상기 반도체 표면을 패시베이션 처리시키는 것을 특징으로 하는 방법.
- 제 19 항에 있어서,상기 비콘택 저항은 약 100 Ω-㎛2 이하인 것을 특징으로 하는 방법.
- 제 19 항에 있어서,상기 비콘택 저항은 약 50 Ω-㎛2 이하인 것을 특징으로 하는 방법.
- 제 19 항에 있어서,상기 비콘택 저항은 약 10 Ω-㎛2 이하인 것을 특징으로 하는 방법.
- 제 19 항에 있어서,상기 비콘택 저항은 약 1 Ω-㎛2 이하인 것을 특징으로 하는 방법.
- 제 19 항에 있어서,상기 인터페이스층은 약 1 Ω-㎛2 이하의 전기 접합부의 비콘택 저항을 제공하도록 충분한 두께를 가지는 것을 특징으로 하는 방법.
- 제 19 항에 있어서,상기 인터페이스층은 비화물, 수소화물, 불화물, 산화물, 옥시질화물 및 실리콘 질화물을 포함하는 목록에서 선택된 패시베이션 재료를 포함하는 것을 특징으로 하는 방법.
- 제 25 항에 있어서,상기 인터페이스층은 단층으로 이루어지는 것을 특징으로 하는 방법.
- 제 19 항에 있어서,상기 인터페이스층은 약 300℃ 이상의 온도에서 상기 반도체 표면상에 성장되는 것을 특징으로 하는 방법.
- 제 27 항에 있어서,상기 인터페이스층은 질소를 함유한 재료의 존재하에서 성장되는 것을 특징으로 하는 방법.
- 제 28 항에 있어서,상기 질소를 함유한 재료는 암모니아(NH3), 질소(N2) 또는 비결합 질소(N)중 적어도 하나를 포함하는 것을 특징으로 하는 방법.
- 제 19 항에 있어서,상기 인터페이스층은 수소 및 불소 이온을 함유한 액체에서 상기 반도체를 침지시킴으로써 성장된 패시베이션층을 포함하는 것을 특징으로 하는 방법.
- 전기 장치로서,도체의 페르미 레벨이 반도체의 전도대와 정렬되도록 허용하는 두께를 가진 인터페이스층에 의해 반도체로부터 분리되는 도체와 Si-기재 반도체 사이에 접합부를 포함하며,상기 전기 장치는 약 1000 Ω-㎛2 이하의 비콘택 저항을 가지는 것을 특징으로 하는 전기 장치.
- 제 31 항에 있어서,상기 비콘택 저항은 약 100 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 31 항에 있어서,상기 비콘택 저항은 약 50 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 31 항에 있어서,상기 비콘택 저항은 약 10 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 31 항에 있어서,상기 비콘택 저항은 약 1 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 전기 장치로서,도체의 페르미 레벨이 반도체의 가전자대와 정렬되도록 허용하는 두께를 가지는 인터페이스층에 의해 반도체로부터 분리된 도체와 Si-기재 반도체 사이의 접합부를 포함하며,상기 전기 장치는 약 1000 Ω-㎛2 이하의 비콘택 저항을 가지는 것을 특징으로 하는 전기 장치.
- 제 36 항에 있어서,상기 비콘택 저항은 약 100 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 36 항에 있어서,상기 비콘택 저항은 약 50 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 36 항에 있어서,상기 비콘택 저항은 약 10 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 36 항에 있어서,상기 비콘택 저항은 약 1 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 전자 장치로서,반도체의 페르미 레벨이 도체의 페르미 레벨에 독립되도록 허용하는 두께를 가지는 인터페이스층에 의해 반도체층으로부터 분리된 도체와 Si-기재 반도체 사이에 접합부를 포함하며,상기 전기 장치는 약 1000 Ω-㎛2 이하의 비콘택 저항을 가지는 것을 특징으로 하는 전기 장치.
- 제 41 항에 있어서,상기 비콘택 저항은 약 100 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 41 항에 있어서,상기 비콘택 저항은 약 50 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 41 항에 있어서,상기 비콘택 저항은 약 10 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 41 항에 있어서,상기 비콘택 저항은 약 1 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 전기 장치로서,n-형 또는 p-형 반도체 재료중 하나의 실리콘-기재 반도체;상기 반도체가 n-형 반도체 재료인 경우 상기 반도체의 전도대와 대략 동일한 일함수를 갖거나 또는 상기 반도체가 p-형 반도체 재료인 경우 상기 반도체의 가전자대와 대략 동일한 일함수 갖는 금속; 및상기 반도체와 금속 사이에 배치되고 이들 모두와 콘택되는 인터페이스층을 포함하며,상기 전기 장치는 약 1000 Ω-㎛2 이하의 비콘택 저항을 가지는 것을 특징으로 하는 전기 장치.
- 제 46 항에 있어서,상기 인터페이스층은 패시베이션 재료를 포함하는 것을 특징으로 하는 전기 장치.
- 제 47 항에 있어서,상기 패시베이션 재료는 질화물, 불화물, 산화물, 옥시질화물, 수소화물 및/또는 실리콘 비화물중 하나 이상을 포함하는 것을 특징으로 하는 전기 장치.
- 제 48 항에 있어서,상기 인터페이스층은 상기 반도체의 페르미 레벨을 디핑시키도록 구성된 단층으로 이루어지는 것을 특징으로 하는 전기 장치.
- 제 47 항에 있어서,상기 인터페이스층은 분리층을 더 포함하는 것을 특징으로 하는 전기 장치.
- 제 46 항에 있어서,상기 비콘택 저항은 약 100 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 46 항에 있어서,상기 비콘택 저항은 약 50 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 46 항에 있어서,상기 비콘택 저항은 약 10 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 46 항에 있어서,상기 비콘택 저항은 약 1 Ω-㎛2 이하인 것을 특징으로 하는 전기 장치.
- 제 46 항에 있어서,상기 인터페이스층은 질소를 함유한 재료의 존재하에 상기 반도체를 열처리함으로써 제조된 패시베이션층을 포함하는 것을 특징으로 하는 전기 장치.
- 제 55 항에 있어서,상기 질소를 함유한 재료는 암모니아(NH3), 질소(N2) 또는 비결합 질소(N)중 적어도 하나를 포함하는 것을 특징으로 하는 전기 장치.
- 반도체 장치로서,n-형 또는 p-형 반도체 재료중 하나의 실리콘-기재 반도체;상기 반도체가 n-형 반도체 재료인 경우 상기 반도체의 전도대 에지와 거의 또는 실질적으로 동일한 일함수를 갖거나, 또는 상기 반도체가 p-형 반도체 재료인 경우 상기 반도체의 가전자대와 거의 또는 실질적으로 동일한 일함수 갖는 금속; 및상기 반도체와 금속 사이에 배치되고 이들 모두와 콘택되며 상기 반도체의 페르미 레벨을 디핑시키도록 구성된 인터페이스층을 포함하는 것을 특징으로 하는 전기 장치.
- 제 57 항에 있어서,상기 인터페이스층은 패시베이션 재료를 포함하는 것을 특징으로 하는 전기 장치.
- 제 58 항에 있어서,상기 패시베이션 재료는 질화물, 불화물, 산화물, 옥시질화물, 수소화물 및/또는 실리콘 비화물중 하나 이상을 포함하는 것을 특징으로 하는 전기 장치.
- 제 57 항에 있어서,상기 인터페이스층은 상기 반도체의 페르미 레벨을 디핑시키도록 구성된 단층으로 이루어지는 것을 특징으로 하는 전기 장치.
- 제 57 항에 있어서,상기 인터페이스층은 분리층을 더 포함하는 것을 특징으로 하는 전기 장치.
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US10/217,758 US7084423B2 (en) | 2002-08-12 | 2002-08-12 | Method for depinning the Fermi level of a semiconductor at an electrical junction and devices incorporating such junctions |
US10/217,758 | 2002-08-12 |
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US8952541B2 (en) | 2008-12-19 | 2015-02-10 | Intel Corporation | Method of fabricating metal-insulator-semiconductor tunneling contacts using conformal deposition and thermal growth processes |
US9437706B2 (en) | 2008-12-19 | 2016-09-06 | Intel Corporation | Method of fabricating metal-insulator-semiconductor tunneling contacts using conformal deposition and thermal growth processes |
KR20140110875A (ko) * | 2011-11-23 | 2014-09-17 | 아콘 테크놀로지스 인코포레이티드 | 계면 원자 단일층의 삽입에 의한 ⅳ족 반도체에 대한 금속 접점의 개선 |
KR20170046802A (ko) * | 2011-11-23 | 2017-05-02 | 아콘 테크놀로지스 인코포레이티드 | 계면 원자 단일층의 삽입에 의한 ⅳ족 반도체에 대한 금속 접점의 개선 |
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