Absorptive pinhole collimators for ballistic Dirac fermions in graphene

Shaping and guiding the flow of ballistic electrons is at the core of electron optics; however in graphene this is hindered by chiral tunneling. Here, the authors experimentally demonstrate an electron collimator based on hBN-encapsulated ballistic graphene, capable of emitting narrow electron beams...

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Autores principales:	Arthur W. Barnard, Alex Hughes, Aaron L. Sharpe, Kenji Watanabe, Takashi Taniguchi, David Goldhaber-Gordon
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/89e9e124379a4223b2a49f8f3a109ab3
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spelling	oai:doaj.org-article:89e9e124379a4223b2a49f8f3a109ab32021-12-02T17:06:22ZAbsorptive pinhole collimators for ballistic Dirac fermions in graphene10.1038/ncomms154182041-1723https://doaj.org/article/89e9e124379a4223b2a49f8f3a109ab32017-05-01T00:00:00Zhttps://doi.org/10.1038/ncomms15418https://doaj.org/toc/2041-1723Shaping and guiding the flow of ballistic electrons is at the core of electron optics; however in graphene this is hindered by chiral tunneling. Here, the authors experimentally demonstrate an electron collimator based on hBN-encapsulated ballistic graphene, capable of emitting narrow electron beams.Arthur W. BarnardAlex HughesAaron L. SharpeKenji WatanabeTakashi TaniguchiDavid Goldhaber-GordonNature PortfolioarticleScienceQENNature Communications, Vol 8, Iss 1, Pp 1-6 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Arthur W. Barnard Alex Hughes Aaron L. Sharpe Kenji Watanabe Takashi Taniguchi David Goldhaber-Gordon Absorptive pinhole collimators for ballistic Dirac fermions in graphene
description	Shaping and guiding the flow of ballistic electrons is at the core of electron optics; however in graphene this is hindered by chiral tunneling. Here, the authors experimentally demonstrate an electron collimator based on hBN-encapsulated ballistic graphene, capable of emitting narrow electron beams.
format	article
author	Arthur W. Barnard Alex Hughes Aaron L. Sharpe Kenji Watanabe Takashi Taniguchi David Goldhaber-Gordon
author_facet	Arthur W. Barnard Alex Hughes Aaron L. Sharpe Kenji Watanabe Takashi Taniguchi David Goldhaber-Gordon
author_sort	Arthur W. Barnard
title	Absorptive pinhole collimators for ballistic Dirac fermions in graphene
title_short	Absorptive pinhole collimators for ballistic Dirac fermions in graphene
title_full	Absorptive pinhole collimators for ballistic Dirac fermions in graphene
title_fullStr	Absorptive pinhole collimators for ballistic Dirac fermions in graphene
title_full_unstemmed	Absorptive pinhole collimators for ballistic Dirac fermions in graphene
title_sort	absorptive pinhole collimators for ballistic dirac fermions in graphene
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/89e9e124379a4223b2a49f8f3a109ab3
work_keys_str_mv	AT arthurwbarnard absorptivepinholecollimatorsforballisticdiracfermionsingraphene AT alexhughes absorptivepinholecollimatorsforballisticdiracfermionsingraphene AT aaronlsharpe absorptivepinholecollimatorsforballisticdiracfermionsingraphene AT kenjiwatanabe absorptivepinholecollimatorsforballisticdiracfermionsingraphene AT takashitaniguchi absorptivepinholecollimatorsforballisticdiracfermionsingraphene AT davidgoldhabergordon absorptivepinholecollimatorsforballisticdiracfermionsingraphene
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Absorptive pinhole collimators for ballistic Dirac fermions in graphene

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