Abstract
Beside massless Dirac fermions, topological insulator surfaces can host a massive two-dimensional electron gas. Using near-field spectroscopy, we identify both of these surface states by retrieving the nanoscale dielectric function without any model assumptions.
© 2019 The Author(s)
PDF ArticleMore Like This
Helena Weigand, Fabian Mooshammer, Fabian Sandner, Markus A. Huber, Martin Zizlsperger, Markus Plankl, Christian Weyrich, Martin Lanius, Jörn Kampmeier, Gregor Mussler, Detlev Grützmacher, Jessica L. Boland, Tyler L. Cocker, and Rupert Huber
JW3A.121 Frontiers in Optics (FiO) 2019
Fabian Mooshammer, Fabian Sandner, Markus A. Huber, Martin Zizlsperger, Helena Weigand, Markus Plankl, Christian Weyrich, Martin Lanius, Jörn Kampmeier, Gregor Mussler, Detlev Grützmacher, Jessica L. Boland, Tyler L. Cocker, and Rupert Huber
eg_3_4 European Quantum Electronics Conference (EQEC) 2019
Y.H. Wang, H. Steinberg, P. Jarillo-Herrero, and N. Gedik
FTh3C.5 CLEO: QELS_Fundamental Science (CLEO:FS) 2014