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Characteristics of field-effect transistors based on undoped and B- and N-doped few-layer graphenes

โœ Scribed by Dattatray J. Late; Anupama Ghosh; K.S. Subrahmanyam; L.S. Panchakarla; S.B. Krupanidhi; C.N.R. Rao


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
567 KB
Volume
150
Category
Article
ISSN
0038-1098

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โœฆ Synopsis


Field-effect transistor characteristics of few-layer graphenes prepared by several methods have been investigated in comparison with those of single-layer graphene prepared by the in situ reduction of single-layer graphene oxide. Ambipolar features have been observed with single-layer graphene and ntype behaviour with all the few-layer graphenes, the best characteristics being found with the graphene possessing 2-3 layers prepared by arc-discharge of graphite in hydrogen. FETs based on boron and nitrogen doped graphene show n-type and p-type behaviour respectively.


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