Optical properties of bismuth-based topological insulators [electronic resource] / Paola Di Pietro.

9783319019918 electronic book
3319019910 electronic book
9783319019901

Cham : Springer, ©2014.

English

1 online resource (x, 119 pages) : illustrations (some color).

TA404.8

530.41 620.1/123

Topological Insulators (TIs) are insulators in the bulk, but have exotic metallic states at their surfaces. The topology, associated with the electronic wavefunctions of these systems, changes when passing from the bulk to the surface. This work studies, by means of infrared spectroscopy, the low energy optical conductivity of Bismuth based TIs in order to identify the extrinsic charge contribution of the bulk and to separate it from the intrinsic contribution of the surface state carriers. The extensive results presented in this thesis definitely shows the 2D character of the carriers in Bismuth.

Thesis (Ph. D.)--Technical University of Rome.

Includes bibliographical references.

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Springer theses.

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