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Spatial Control of Laser-Induced Doping Profiles in Graphene on Hexagonal Boron Nitride.
Neumann, Christoph; Rizzi, Leo; Reichardt, Sven; Terrés, Bernat; Khodkov, Timofiy; Watanabe, Kenji; Taniguchi, Takashi; Beschoten, Bernd; Stampfer, Christoph.
Afiliación
  • Neumann C; JARA-FIT and 2nd Institute of Physics, RWTH Aachen University , 52074 Aachen, Germany.
  • Rizzi L; Peter Grünberg Institute (PGI-9), Forschungszentrum Jülich , 52425 Jülich, Germany.
  • Reichardt S; JARA-FIT and 2nd Institute of Physics, RWTH Aachen University , 52074 Aachen, Germany.
  • Terrés B; JARA-FIT and 2nd Institute of Physics, RWTH Aachen University , 52074 Aachen, Germany.
  • Khodkov T; Physics and Materials Science Research Unit, Université du Luxembourg , 1511 Luxembourg, Luxembourg.
  • Watanabe K; JARA-FIT and 2nd Institute of Physics, RWTH Aachen University , 52074 Aachen, Germany.
  • Taniguchi T; Peter Grünberg Institute (PGI-9), Forschungszentrum Jülich , 52425 Jülich, Germany.
  • Beschoten B; JARA-FIT and 2nd Institute of Physics, RWTH Aachen University , 52074 Aachen, Germany.
  • Stampfer C; Peter Grünberg Institute (PGI-9), Forschungszentrum Jülich , 52425 Jülich, Germany.
ACS Appl Mater Interfaces ; 8(14): 9377-83, 2016 Apr 13.
Article en En | MEDLINE | ID: mdl-26986938
We present a method to create and erase spatially resolved doping profiles in graphene-hexagonal boron nitride heterostructures. The technique is based on photoinduced doping by a focused laser beam and does neither require masks nor photoresists. This makes our technique interesting for rapid prototyping of unconventional electronic device schemes, where the spatial resolution of the rewritable, long-term stable doping profiles is limited by only the laser spot size (≈600 nm) and the accuracy of sample positioning. Our optical doping method offers a way to implement and to test different, complex doping patterns in one and the very same graphene device, which is not achievable with conventional gating techniques.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Appl Mater Interfaces Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2016 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Appl Mater Interfaces Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2016 Tipo del documento: Article País de afiliación: Alemania Pais de publicación: Estados Unidos