JP2019050392A - 半導体デバイスのための改善された低抵抗接点 - Google Patents
半導体デバイスのための改善された低抵抗接点 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title abstract description 32
- 238000000034 method Methods 0.000 abstract description 62
- SCCCLDWUZODEKG-UHFFFAOYSA-N germanide Chemical compound [GeH3-] SCCCLDWUZODEKG-UHFFFAOYSA-N 0.000 abstract description 36
- 239000000758 substrate Substances 0.000 abstract description 31
- 229910052732 germanium Inorganic materials 0.000 abstract description 23
- 239000002184 metal Substances 0.000 abstract description 22
- 229910052751 metal Inorganic materials 0.000 abstract description 22
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 61
- 239000010410 layer Substances 0.000 description 60
- 238000004151 rapid thermal annealing Methods 0.000 description 44
- 229910006137 NiGe Inorganic materials 0.000 description 28
- 229910052759 nickel Inorganic materials 0.000 description 16
- 230000008569 process Effects 0.000 description 14
- 238000000137 annealing Methods 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 11
- 230000004913 activation Effects 0.000 description 10
- 239000002019 doping agent Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 230000007704 transition Effects 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000004630 atomic force microscopy Methods 0.000 description 5
- 239000007943 implant Substances 0.000 description 5
- 238000005224 laser annealing Methods 0.000 description 5
- 238000012512 characterization method Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 238000012876 topography Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000002207 thermal evaporation Methods 0.000 description 3
- AQXWDQOYDMNWCZ-UHFFFAOYSA-N [GeH2-][GeH3].[Ni+2].[GeH2-][GeH3] Chemical compound [GeH2-][GeH3].[Ni+2].[GeH2-][GeH3] AQXWDQOYDMNWCZ-UHFFFAOYSA-N 0.000 description 2
- 238000000089 atomic force micrograph Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004626 scanning electron microscopy Methods 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910005883 NiSi Inorganic materials 0.000 description 1
- 229910005881 NiSi 2 Inorganic materials 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- DFTYMUCDXXVBCB-UHFFFAOYSA-N [GeH3-].[Ni+2].[GeH3-] Chemical compound [GeH3-].[Ni+2].[GeH3-] DFTYMUCDXXVBCB-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002524 electron diffraction data Methods 0.000 description 1
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- HYIMSNHJOBLJNT-UHFFFAOYSA-N nifedipine Chemical compound COC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C1=CC=CC=C1[N+]([O-])=O HYIMSNHJOBLJNT-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
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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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
- H01L21/3247—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering for altering the shape, e.g. smoothing the surface
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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
- H01L21/26—Bombardment with radiation
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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
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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
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- H01L21/2855—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 by physical means, e.g. sputtering, evaporation
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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
- H01L21/28568—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 the conductive layers comprising transition metals
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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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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Abstract
Description
ゲルマニウム(Ge)の第1の層(120)を提供するステップと、
金属の第2の層を提供するステップと、
下層の第1の(Ge)層を伴う略平面界面を有するゲルマニド金属層(160A)を取得するために、高エネルギー密度パルスを用いて、第2の層を第1の層と反応させるステップと、
を含む。
ゲルマニウム層を金属層上に堆積させるステップと、
レーザ源を用いて金属層を加熱させるステップと、
を含み、熱は、少なくとも800℃の温度において生じることを特徴とする。
本発明は、例えば、以下を提供する。
(項目1)
半導体デバイス(100)を提供するために、基板上に少なくとも1つの金属ゲルマニド接点を形成する方法であって、
ゲルマニウム(Ge)の第1の層(120)を提供するステップと、
金属の第2の層を提供するステップと、
前記下層の第1の(Ge)層を伴う略平面界面を有するゲルマニド金属層(160A)を取得するために、高エネルギー密度パルスを用いて、前記第2の層を前記第1の層と反応させるステップであって、前記高エネルギー密度パルスは、0.25〜0.55J/cm2の範囲内であり、パルス持続時間は、少なくとも800℃の温度を生成させる、ステップと、
を含む、方法。
(項目2)
前記金属は、ニッケル(Ni)を含む、項目1に記載の方法。
(項目3)
前記金属は、Fe、Co、Ni、Pd、Pt、Cu、またはYbのうちの少なくとも1つを含む、項目1に記載の方法。
(項目4)
前記生成された温度は、少なくとも900℃である、前記項目のいずれかに記載の方法。
(項目5)
前記生成された温度は、1500℃を下回る、前記項目のいずれかに記載の方法。
(項目6)
前記生成された温度は、930℃〜1460℃の範囲内である、前記項目のいずれかに記載の方法。
(項目7)
前記パルス長は、25ナノ秒を上回る、前記項目のいずれかに記載の方法。
(項目8)
前記パルス長は、50ナノ秒〜1マイクロ秒である、前記項目のいずれかに記載の方法。
(項目9)
前記パルス長は、50ナノ秒〜500ナノ秒である、項目8に記載の方法。
(項目10)
前記第1の層は、0.001Ω・cmよりも大きい抵抗率を有するn型またはp型ウエハ(100)である、前記項目のいずれかに記載の方法。
(項目11)
前記ニッケル(Ni)の第2の層を提供するステップはさらに、熱蒸発によって前記ニッケル(Ni)物質を堆積させるステップを含む、項目2に記載の方法。
(項目12)
漏れ電流を最小限にするためのTLMパターニングおよびドライエッチングのステップをさらに含む、前記項目のいずれかに記載の方法。
(項目13)
前記高エネルギー密度パルスは、レーザ熱アニール(LTA)処理において、レーザ源によって提供される、前記項目のいずれかに記載の方法。
(項目14)
前記LTA処理は、144〜165ナノ秒の範囲内のパルス持続時間を伴う、λ=308nmにおける単一パルス処理である、項目13に記載の方法。
(項目15)
項目1〜14に記載のいずれかの方法に従って製造される、半導体デバイス。
Claims (1)
- 本明細書に記載の発明。
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US201361758716P | 2013-01-30 | 2013-01-30 | |
EP13153312.7A EP2763159A1 (en) | 2013-01-30 | 2013-01-30 | Improved low resistance contacts for semiconductor devices |
US61/758,716 | 2013-01-30 | ||
EP13153312.7 | 2013-01-30 |
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JP2015555702A Division JP2016510511A (ja) | 2013-01-30 | 2014-01-30 | 半導体デバイスのための改善された低抵抗接点 |
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JP2018202816A Withdrawn JP2019050392A (ja) | 2013-01-30 | 2018-10-29 | 半導体デバイスのための改善された低抵抗接点 |
JP2020219770A Pending JP2021061436A (ja) | 2013-01-30 | 2020-12-29 | 半導体デバイスのための改善された低抵抗接点 |
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US (1) | US9607858B2 (ja) |
EP (2) | EP2763159A1 (ja) |
JP (3) | JP2016510511A (ja) |
KR (1) | KR20160040441A (ja) |
CN (1) | CN105474365B (ja) |
SG (1) | SG11201505963SA (ja) |
TW (1) | TWI638391B (ja) |
WO (1) | WO2014177288A1 (ja) |
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JP2017055046A (ja) * | 2015-09-11 | 2017-03-16 | トヨタ自動車株式会社 | 半導体装置の製造方法 |
FR3113183B1 (fr) * | 2020-07-31 | 2022-07-08 | Commissariat Energie Atomique | PROCEDE DE FORMATION DE CONTACTS OHMIQUES, NOTAMMENT DE TYPE Ni(GeSn) METTANT EN ŒUVRE UN RECUIT LASER |
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JPS60245220A (ja) * | 1984-05-21 | 1985-12-05 | Toshiba Corp | 砒化ガリウムへのオ−ム性電極の形成方法 |
JPS6159725A (ja) * | 1984-08-30 | 1986-03-27 | Nec Corp | オ−ミツク電極形成方法 |
US5624869A (en) * | 1994-04-13 | 1997-04-29 | International Business Machines Corporation | Method of forming a film for a multilayer Semiconductor device for improving thermal stability of cobalt silicide using platinum or nitrogen |
US20030040130A1 (en) * | 2001-08-09 | 2003-02-27 | Mayur Abhilash J. | Method for selection of parameters for implant anneal of patterned semiconductor substrates and specification of a laser system |
US6703291B1 (en) * | 2002-12-17 | 2004-03-09 | Intel Corporation | Selective NiGe wet etch for transistors with Ge body and/or Ge source/drain extensions |
US20070123042A1 (en) * | 2005-11-28 | 2007-05-31 | International Business Machines Corporation | Methods to form heterogeneous silicides/germanides in cmos technology |
DE102006050360B4 (de) * | 2006-10-25 | 2014-05-15 | Infineon Technologies Austria Ag | Verfahren zum Erzeugen eines elektrischen Kontakts auf SiC |
JP2010508676A (ja) * | 2006-11-02 | 2010-03-18 | アイメック | 半導体デバイス層からの不純物の除去 |
JP5653577B2 (ja) * | 2007-08-31 | 2015-01-14 | アイメックImec | ゲルマナイド成長の改良方法およびそれにより得られたデバイス |
US8105960B2 (en) * | 2007-10-09 | 2012-01-31 | International Business Machines Corporation | Self-assembled sidewall spacer |
KR101194843B1 (ko) * | 2007-12-07 | 2012-10-25 | 삼성전자주식회사 | Ge 실리사이드층의 형성방법, Ge 실리사이드층을포함하는 반도체 소자 및 그의 제조방법 |
US8088665B2 (en) * | 2008-08-11 | 2012-01-03 | Intel Corporation | Method of forming self-aligned low resistance contact layer |
CN102031501B (zh) * | 2009-09-28 | 2012-10-24 | 复旦大学 | 一种在衬底上选择性原子层淀积薄膜的方法 |
US8936976B2 (en) * | 2009-12-23 | 2015-01-20 | Intel Corporation | Conductivity improvements for III-V semiconductor devices |
KR20130100996A (ko) * | 2010-08-31 | 2013-09-12 | 가부시끼가이샤 니혼 세이꼬쇼 | 레이저 어닐링 장치 및 레이저 어닐링 방법 |
JP5668414B2 (ja) * | 2010-11-01 | 2015-02-12 | 住友電気工業株式会社 | 半導体装置の製造方法 |
US8247319B1 (en) * | 2011-02-07 | 2012-08-21 | International Business Machines Corporation | Method to enable the process and enlarge the process window for silicide, germanide or germanosilicide formation in structures with extremely small dimensions |
US9284656B2 (en) * | 2011-06-06 | 2016-03-15 | International Business Machines Corporation | Use of metal phosphorus in metallization of photovoltaic devices and method of fabricating same |
US8901414B2 (en) * | 2011-09-14 | 2014-12-02 | International Business Machines Corporation | Photovoltaic cells with copper grid |
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TWI638391B (zh) | 2018-10-11 |
CN105474365B (zh) | 2018-02-23 |
EP2763159A1 (en) | 2014-08-06 |
KR20160040441A (ko) | 2016-04-14 |
WO2014177288A1 (en) | 2014-11-06 |
EP4085479A1 (en) | 2022-11-09 |
JP2021061436A (ja) | 2021-04-15 |
TW201447987A (zh) | 2014-12-16 |
JP2016510511A (ja) | 2016-04-07 |
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