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  Topological Insulators

Müchler, L., Yan, B., Casper, F., Chadov, S., & Felser, C. (2013). Topological Insulators. In K. Koumoto, & T. Mori (Eds.), Thermoelectric Nanomaterials (pp. 123-139). Berlin; Heidelberg: Springer.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-C1B0-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-C1B1-C
Genre: Book Chapter

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 Creators:
Müchler, Lukas1, Author
Yan, Binghai2, Author              
Casper, Frederick1, Author
Chadov, Stanislav1, Author
Felser, Claudia3, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Binghai Yan, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863427              
3Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: The recent discovery of a new class of materials, the so-called topological insulators [1–5]. has generated a great interest in the fields of condensed matter physics and materials science [1]. In principle, according to their band structure, compounds can be divided into metals and insulators. Recently a new class of the so-called topological states has emerged, the Quantum Spin Hall (QSH) state in two and three dimensions. The respective materials are called "topological insulators". The 3D topological insulators have a full insulating gap in the bulk, but a topological protected gapless surface or edge states on the boundary [6–8]. Additionally the 2D topological insulators (e.g. HgTe [9, 10], are metallic in the bulk, but can be designed as topological insulators in quantum well structures with a trivial semiconductors such as CdTe. A topological insulator can easily be identified by a few simple rules: the presents of a large spin orbit coupling, an odd number of band inversions between the conduction and the valence band by increasing the average nuclear charge, and a sign change of the symmetry of the molecular orbitals [11]. Similiar features are favorable for thermoelectric properties, thus topological insulators may be good thermoelectric materials and vice versa. Here we present a short introduction to topological insulators and give examples of compound classes where both topological insulators and good thermoelectric properties can be found.

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Language(s): eng - English
 Dates: 2013-07-21
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: DOI: 10.1007/978-3-642-37537-8_6
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Title: Thermoelectric Nanomaterials
Source Genre: Book
 Creator(s):
Koumoto, Kunihito, Editor
Mori, Takao, Editor
Affiliations:
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Publ. Info: Berlin ; Heidelberg : Springer
Pages: - Volume / Issue: 182 Sequence Number: - Start / End Page: 123 - 139 Identifier: ISBN: 978-3-642-37536-1

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Title: Springer Series in Materials Science
Source Genre: Series
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Pages: - Volume / Issue: 182 Sequence Number: - Start / End Page: - Identifier: -