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Ruoff, Rodney S.
Center for Multidimensional Carbon Materials (CMCM)
Research Interests
  • Next generation carbons, ultrathin sp3-bonded carbon sheets, negative curvature (‘Schwartzites’) carbons, sp3/sp2 hybrid carbon materials, model compounds for novel carbon materials, reaction mechanisms

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Revealing the planar chemistry of two-dimensional heterostructures at the atomic level

Cited 2 times inthomson ciCited 1 times inthomson ci
Title
Revealing the planar chemistry of two-dimensional heterostructures at the atomic level
Author
Chou, HarryIsmach, ArielGhosh, RudreshRuoff, Rodney S.Dolocan, Andrei
Issue Date
2015-06
Publisher
NATURE PUBLISHING GROUP
Citation
NATURE COMMUNICATIONS, v.6, pp.7482
Abstract
Two-dimensional (2D) atomic crystals and their heterostructures are an intense area of study owing to their unique properties that result from structural planar confinement. Intrinsically, the performance of a planar vertical device is linked to the quality of its 2D components and their interfaces, therefore requiring characterization tools that can reveal both its planar chemistry and morphology. Here, we propose a characterization methodology combining (micro-) Raman spectroscopy, atomic force microscopy and time-of-flight secondary ion mass spectrometry to provide structural information, morphology and planar chemical composition at virtually the atomic level, aimed specifically at studying 2D vertical heterostructures. As an example system, a graphene-on-h-BN heterostructure is analysed to reveal, with an unprecedented level of detail, the subtle chemistry and interactions within its layer structure that can be assigned to specific fabrication steps. Such detailed chemical information is of crucial importance for the complete integration of 2D heterostructures into functional devices
URI
https://scholarworks.unist.ac.kr/handle/201301/17012
URL
http://www.nature.com/ncomms/2015/150623/ncomms8482/full/ncomms8482.html
DOI
10.1038/ncomms8482
ISSN
2041-1723
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PHY_Journal Papers
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