JP6130104B2 - 複層のゲート絶縁層を備えたグラフェン電子素子 - Google Patents
複層のゲート絶縁層を備えたグラフェン電子素子 Download PDFInfo
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- JP6130104B2 JP6130104B2 JP2012130540A JP2012130540A JP6130104B2 JP 6130104 B2 JP6130104 B2 JP 6130104B2 JP 2012130540 A JP2012130540 A JP 2012130540A JP 2012130540 A JP2012130540 A JP 2012130540A JP 6130104 B2 JP6130104 B2 JP 6130104B2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 153
- 229910021389 graphene Inorganic materials 0.000 title claims description 149
- 239000010410 layer Substances 0.000 claims description 181
- 239000000758 substrate Substances 0.000 claims description 17
- 229920000642 polymer Polymers 0.000 claims description 13
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 11
- 229910052731 fluorine Inorganic materials 0.000 claims description 11
- 239000011737 fluorine Substances 0.000 claims description 11
- 230000005669 field effect Effects 0.000 claims description 8
- 239000002033 PVDF binder Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 claims description 6
- 238000002161 passivation Methods 0.000 claims description 6
- 229920002313 fluoropolymer Polymers 0.000 claims description 5
- 239000004811 fluoropolymer Substances 0.000 claims description 5
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 5
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 5
- 239000002074 nanoribbon Substances 0.000 claims description 4
- 239000010931 gold Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000005476 size effect Effects 0.000 description 3
- 229920000557 Nafion® Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000002094 self assembled monolayer Substances 0.000 description 1
- 239000013545 self-assembled monolayer Substances 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/16—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table
- H01L29/1606—Graphene
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/511—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures
- H01L29/513—Insulating materials associated therewith with a compositional variation, e.g. multilayer structures the variation being perpendicular to the channel plane
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Thin Film Transistor (AREA)
Description
110 基板
120 ゲート絶縁層
121 無機物絶縁層
122 有機物絶縁層
130 グラフェンチャネル層
141 ソース電極
142 ドレイン電極
Claims (17)
- ゲート電極として作用する導電性基板と、
前記基板上に配置されたゲート絶縁層と、
前記ゲート絶縁層上のグラフェンチャネル層と、
前記グラフェンチャネル層の両端にそれぞれ配置されたソース電極及びドレイン電極と、を備え、
前記ゲート絶縁層は、無機物絶縁層と、前記無機物絶縁層上の有機物絶縁層とを備え、
前記グラフェンチャネル層は、1nmないし20nmの幅、又は、100nm以上の幅を有し、
前記有機物絶縁層は、フッ素系高分子を含むことを特徴とするグラフェン電子素子。 - 前記有機物絶縁層は、前記無機物絶縁層と前記グラフェンチャネル層との間に配置されたことを特徴とする請求項1に記載のグラフェン電子素子。
- 前記有機物絶縁層は、ポリフッ化ビニル、ポリフッ化ビニリデン、ポリパーフルオロブテニルビニルエーテル、ポリテトラフルオロエチレン、及び非晶質フッ素高分子からなるグループから選択された少なくとも一つからなることを特徴とする請求項1に記載のグラフェン電子素子。
- 前記有機物絶縁層は、前記無機物絶縁層より薄いことを特徴とする請求項1に記載のグラフェン電子素子。
- 前記有機物絶縁層は、1nmないし20nmの厚さを有することを特徴とする請求項1に記載のグラフェン電子素子。
- 前記無機物絶縁層は、酸化シリコン、酸化アルミニウム、及び酸化ハフニウムからなるグループから選択された一つを含むことを特徴とする請求項1に記載のグラフェン電子素子。
- 前記グラフェンチャネル層は、単層または二層のグラフェンからなることを特徴とする請求項1に記載のグラフェン電子素子。
- 前記グラフェンチャネル層は、ナノリボングラフェンであり、前記グラフェン電子素子は、電界効果トランジスタであることを特徴とする請求項1に記載のグラフェン電子素子。
- 前記グラフェンチャネル層を覆うパッシベーション層をさらに備えることを特徴とする請求項1に記載のグラフェン電子素子。
- 基板と、
前記基板上のグラフェンチャネル層と、
前記グラフェンチャネル層の両端にそれぞれ配置されたソース電極及びドレイン電極と、
前記ソース電極及びドレイン電極に露出された前記グラフェンチャネル層を覆うゲート絶縁層と、
前記ソース電極と前記ドレイン電極との間で、前記ゲート絶縁層上に形成されたゲート電極と、を備え、
前記ゲート絶縁層は、有機物絶縁層と、前記有機物絶縁層上の無機物絶縁層とを備え、
前記グラフェンチャネル層は、1nmないし20nmの幅、又は、100nm以上の幅を有し、
前記有機物絶縁層は、フッ素系高分子を含むことを特徴とするグラフェン電子素子。 - 前記有機物絶縁層は、前記無機物絶縁層と前記グラフェンチャネル層との間に配置されたことを特徴とする請求項10に記載のグラフェン電子素子。
- 前記有機物絶縁層は、ポリフッ化ビニル、ポリフッ化ビニリデン、ポリパーフルオロブテニルビニルエーテル、ポリテトラフルオロエチレン、及び非晶質フッ素高分子からなるグループから選択された少なくとも一つからなることを特徴とする請求項10に記載のグラフェン電子素子。
- 前記有機物絶縁層は、前記無機物絶縁層より薄いことを特徴とする請求項10に記載のグラフェン電子素子。
- 前記有機物絶縁層は、1nmないし20nmの厚さを有することを特徴とする請求項10に記載のグラフェン電子素子。
- 前記無機物絶縁層は、酸化シリコン、酸化アルミニウム、及び酸化ハフニウムからなるグループから選択された一つを含むことを特徴とする請求項10に記載のグラフェン電子素子。
- 前記グラフェンチャネル層は、単層または二層のグラフェンからなることを特徴とする請求項10に記載のグラフェン電子素子。
- 前記グラフェンチャネル層は、ナノリボングラフェンであり、前記グラフェン電子素子は、電界効果トランジスタであることを特徴とする請求項10に記載のグラフェン電子素子。
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KR10-2011-0056341 | 2011-06-10 | ||
KR1020110056341A KR101813179B1 (ko) | 2011-06-10 | 2011-06-10 | 복층의 게이트 절연층을 구비한 그래핀 전자 소자 |
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JP6130104B2 true JP6130104B2 (ja) | 2017-05-17 |
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US (1) | US8994079B2 (ja) |
JP (1) | JP6130104B2 (ja) |
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CN (1) | CN102820324B (ja) |
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CN101777583B (zh) * | 2010-02-05 | 2011-09-14 | 电子科技大学 | 一种石墨烯场效应晶体管 |
JP2012015481A (ja) * | 2010-06-01 | 2012-01-19 | Sony Corp | 電界効果トランジスタの製造方法、電界効果トランジスタおよび半導体酸化グラフェンの製造方法 |
KR101736971B1 (ko) * | 2010-10-01 | 2017-05-30 | 삼성전자주식회사 | 그래핀 전자 소자 및 제조방법 |
CN102593169B (zh) * | 2011-01-07 | 2015-10-28 | 中国科学院微电子研究所 | 一种碳基场效应晶体管及其制备方法 |
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