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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Optical Properties of Bismuth-Based Topological Insulators

Optical Properties of Bismuth-Based Topological Insulators

Di Pietro, Paola

Hardcover

Series: Springer Theses

Technology & EngineeringPhysics

ISBN10: 3319019902
ISBN13: 9783319019901
Publisher: Springer Nature
Published: Nov 6 2013
Pages: 119
Weight: 0.65
Height: 0.50 Width: 6.30 Depth: 9.40
Language: English
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.

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