論文 Near-field photocurrent nanoscopy on bare and encapsulated graphene

Achim Woessner ; Pablo Alonso-González ; Mark B. Lundeberg ; Yuanda Gao ; Jose E. Barrios-Vargas ; Gabriele Navickaite ; Qiong Ma ; Davide Janner ; Kenji Watanabe SAMURAI ORCID (National Institute for Materials ScienceROR) ; Aron W. Cummings ; Takashi Taniguchi SAMURAI ORCID (National Institute for Materials ScienceROR) ; Valerio Pruneri ; Stephan Roche ; Pablo Jarillo-Herrero ; James Hone ; Rainer Hillenbrand ; Frank H. L. Koppens

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Achim Woessner, Pablo Alonso-González, Mark B. Lundeberg, Yuanda Gao, Jose E. Barrios-Vargas, Gabriele Navickaite, Qiong Ma, Davide Janner, Kenji Watanabe, Aron W. Cummings, Takashi Taniguchi, Valerio Pruneri, Stephan Roche, Pablo Jarillo-Herrero, James Hone, Rainer Hillenbrand, Frank H. L. Koppens. Near-field photocurrent nanoscopy on bare and encapsulated graphene. Nature Communications. 2016, 7 (), 10783. https://doi.org/10.1038/ncomms10783
SAMURAI

説明:

(abstract)

We present and apply a new type of opto-electronic nanoscopy to measure locally both the optical and electronic properties of graphene devices. This is achieved by combining scanning near-field infrared nanoscopy with electrical device read-out, allowing infrared photocurrent mapping at length scales of tens of nanometers. We apply this technique to study the impact of edges and grain boundaries on spatial carrier density profiles and local thermoelectric properties.

権利情報:

キーワード: Optoelectronic devices, graphene, nanoscale variations

刊行年月日: 2016-02-26

出版者: Springer Science and Business Media LLC

掲載誌:

  • Nature Communications (ISSN: 20411723) vol. 7 10783

研究助成金:

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1038/ncomms10783

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更新時刻: 2025-02-27 12:30:51 +0900

MDRでの公開時刻: 2025-02-27 12:30:51 +0900

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