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-based topological insulators. The experimental apparatus and the FTIR technique, the theory of optical properties and Surface Plasmon Polaritons, as well as sample preparation of both crystals and thin films, and the analysis procedures are thoroughly described.
| ISBN: | 9783319350448 |
| Publication date: | 23rd August 2016 |
| Author: | Paola Di Pietro |
| Publisher: | Springer an imprint of Springer International Publishing |
| Format: | Paperback |
| Pagination: | 119 pages |
| Series: | Springer Theses |
| Genres: |
Electronic devices and materials Condensed matter physics (liquid state and solid state physics) Engineering applications of electronic, magnetic, optical materials Testing of materials Materials science |
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-based topological insulators. The experimental apparatus and the FTIR technique, the theory of optical properties and Surface Plasmon Polaritons, as well as sample preparation of both crystals and thin films, and the analysis procedures are thoroughly described.
Optical Properties of Bismuth-Based Topological Insulators features in the following genres: Electronic devices and materials, Condensed matter physics (liquid state and solid state physics), Engineering applications of electronic, magnetic, optical materials, Testing of materials, Materials science
Optical Properties of Bismuth-Based Topological Insulators is available in Paperback
Optical Properties of Bismuth-Based Topological Insulators was written by Paola Di Pietro and published by Springer an imprint of Springer International Publishing
Optical Properties of Bismuth-Based Topological Insulators has 119 pages
Yes it is part of Springer Theses series