JP6169328B2 - グラフェン構造体及びその製造方法、並びにグラフェン素子及びその製造方法 - Google Patents
グラフェン構造体及びその製造方法、並びにグラフェン素子及びその製造方法 Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 146
- 229910021389 graphene Inorganic materials 0.000 title claims description 121
- 238000004519 manufacturing process Methods 0.000 title claims description 37
- 239000010410 layer Substances 0.000 claims description 111
- 239000011241 protective layer Substances 0.000 claims description 44
- 239000000758 substrate Substances 0.000 claims description 38
- 238000005229 chemical vapour deposition Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000000151 deposition Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000005530 etching Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Description
120 成長層
130 保護層
140 グラフェン
150,250 グルーブ
221 第1成長層
222 第2成長層
231 第1保護層
232 第2保護層
241 第1グラフェン
242 第2グラフェン
Claims (22)
- 基板と、
前記基板上に形成されるものであって、側面が露出された成長層と、
前記成長層の側面に成長されたグラフェンと、
前記成長層の上面を覆うように形成された保護層と、を備えることを特徴とするグラフェン構造体。 - 前記成長層は、金属またはGeを含むことを特徴とする請求項1に記載のグラフェン構造体。
- 前記グラフェンは、数nmの幅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構造体。
- 前記保護層上に交互に積層されるものであって、側面が露出された少なくとも一つの成長層及び保護層と、
前記少なくとも一つの成長層の側面に成長された少なくとも一つのグラフェンと、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構造体。 - 基板上に少なくとも一つの成長層及び保護層を交互に形成するステップと、
前記少なくとも一つの保護層及び成長層の側面、及び前記基板の上面を露出させる所定の形態のグルーブを形成するステップと、
前記グルーブを通じて露出された前記少なくとも一つの成長層の側面に少なくとも一つのグラフェンを形成するステップと、を含むことを特徴とするグラフェン構造体の製造方法。 - 前記成長層は、前記基板上に金属またはGeを蒸着することで形成されることを特徴とする請求項5に記載のグラフェン構造体の製造方法。
- 前記成長層は、数nmの厚さを有することを特徴とする請求項5に記載のグラフェン構造体の製造方法。
- 前記保護層は、前記成長層上にシリコン酸化物を蒸着することで形成されることを特徴とする請求項5に記載のグラフェン構造体の製造方法。
- 前記グラフェンは、化学気相蒸着法(CVD)により、前記成長層の露出された側面から成長されることで形成されることを特徴とする請求項5に記載のグラフェン構造体の製造方法。
- 成長層、該成長層の上に形成された保護層、及び前記成長層の側面に成長された第1グラフェンを含む少なくとも一つのチャネルと、
前記少なくとも一つのチャネルの両端にそれぞれ連結されるものであって、第2グラフェンを含む第1及び第2電極と、を備えることを特徴とするグラフェン素子。 - 前記第1及び第2電極は、前記チャネルと一体に形成されることを特徴とする請求項10に記載のグラフェン素子。
- 前記第1グラフェンは、前記第2グラフェンに対して垂直に形成されつつ、前記第2グラフェンと電気的に連結されることを特徴とする請求項10に記載のグラフェン素子。
- 前記第1電極と第2電極との間には、複数個の前記チャネルが設けられ、前記チャネルは、水平及び/または垂直に配列されることを特徴とする請求項10に記載のグラフェン素子。
- 前記少なくとも一つのチャネルそれぞれは、数nmの幅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素子。
- 基板上に成長層及び保護層を順次に形成するステップと、
前記成長層及び保護層の側面、及び前記基板の上面を露出させる少なくとも一つの第1グルーブと、前記保護層の側面、及び前記成長層の上面を露出させる第2及び第3グルーブと、を形成するステップと、
前記第1グルーブを通じて露出された前記成長層の側面に少なくとも一つの第1グラフェンを成長させて、少なくとも一つのチャネルを形成するステップと、
前記第2及び第3グルーブを通じて露出された前記成長層の上面に第2グラフェンを成長させて、第1及び第2電極を形成するステップと、を含むことを特徴とするグラフェン素子の製造方法。 - 前記第2及び第3グルーブは、前記少なくとも一つの第1グルーブの両端に連結されるように形成されることを特徴とする請求項15に記載のグラフェン素子の製造方法。
- 前記第1及び第2電極は、前記少なくとも一つのチャネルと一体に形成されることを特徴とする請求項16に記載のグラフェン素子の製造方法。
- 前記第1グラフェンは、前記第2グラフェンに対して垂直に形成されつつ、前記第2グラフェンと電気的に連結されることを特徴とする請求項17に記載のグラフェン素子の製造方法。
- 前記成長層は、前記基板上に金属またはGeを蒸着することで形成されることを特徴とする請求項15に記載のグラフェン構造体の製造方法。
- 前記成長層は、数nmの厚さを有することを特徴とする請求項15に記載のグラフェン構造体の製造方法。
- 前記保護層は、前記成長層上にシリコン酸化物を蒸着することで形成されることを特徴とする請求項15に記載のグラフェン構造体の製造方法。
- 前記第1及び第2グラフェンは、化学気相蒸着法(CVD)により、前記成長層の露出された側面及び上面から成長されることで形成されることを特徴とする請求項15に記載のグラフェン構造体の製造方法。
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US9412556B2 (en) * | 2013-10-31 | 2016-08-09 | The Regents Of The University Of California | Transmission electron microscope cells for use with liquid samples |
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