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Title: From graphene and topological insulators to Weyl semimetals
Authors: Hills, Romilly D.Y.
Brada, Matej
Liu, Yang
Pierpoint, Michael P.
Sobnack, M.B.
Wu, Wai M.
Kusmartsev, F.V.
Keywords: Graphene
Silicene
Germanene
Phosphorene
Topological insulator
Weyl semimetal
Dirac cone
Transistor,
Landauer formalism
Issue Date: 2015
Publisher: © World Scientific Publishing
Citation: HILLS, R.D.Y. ...et al., 2015. From graphene and topological insulators to Weyl semimetals. IN: Dugaev, V., Wal, A. and Barnas, J. (eds.) Symmetry, Spin Dynamics and the Properties of Nanostructures: Lecture Notes of the 11th International School on Theoretical Physics. Singapore: World Scientific Publishing, pp. 277-315.
Abstract: Here we present a short introduction into physics of Dirac materials. In particular we review main physical properties of various two-dimensional crystals such as graphene, sil- icene, germanene and others.We comment on the origin of their buckled two-dimensional shape, and address the issues created by Mermin-Wagner theorem prohibiting the exis- tence of strictly two-dimensional, at crystals. Then we describe main ideas which were leading to the discovery of two and three-dimensional topological insulators and Weyl fermions. We describe some of their outstanding electronic properties which have been originating due to the existence of the Dirac gapless spectrum. We also compare simplest devices made of Dirac materials. Analogies and di erences between Dirac materials and optics are also discussed.
Description: This paper was presented at the 11th International School on Theoretical Physics Rzeszow, Poland, 1 – 6 September 2014. This work was published in HILLS, R.D.Y. ...et al., 2015. From graphene and topological insulators to Weyl semimetals. IN: Dugaev, V., Wal, A. and Barnas, J. (eds.) Symmetry, Spin Dynamics and the Properties of Nanostructures, pp. 277-315. Copyright @ 2015 with permission from World Scientific Publishing Co. Pte. Ltd.
Version: Accepted for publication
DOI: 10.1142/9789814740371_0012
URI: https://dspace.lboro.ac.uk/2134/26726
Publisher Link: http://dx.doi.org/10.1142/9789814740371_0012
www.worldscientific.com/worldscibooks/10.1142/9905
ISBN: 9789814740364
Appears in Collections:Conference Papers (Physics)

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