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  Half-Heusler topological insulators

Yan, B., & de Visser, A. (2014). Half-Heusler topological insulators. MRS Bulletin, 39(10), 859-866. doi:10.1557/mrs.2014.198.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-9841-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-9843-C
Genre: Journal Article

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 Creators:
Yan, Binghai1, Author              
de Visser, Anne2, Author
Affiliations:
1Binghai Yan, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863427              
2External Organizations, ou_persistent22              

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 Abstract: Ternary semiconducting or metallic half-Heusler compounds with an atomic composition 1:1:1 are widely studied for their flexible electronic properties and functionalities. Recently, a new material property of half-Heusler compounds was predicted based on electronic structure calculations: the topological insulator. In topological insulators, the metallic surface states are protected from impurity backscattering due to spin-momentum locking. This opens up new perspectives in engineering multifunctional materials. In this article, we introduce half-Heusler materials from the crystallographic and electronic structure point of view. We present an effective model Hamiltonian from which the topological state can be derived, notably from a non-trivial inverted band structure. We discuss general implications of the inverted band structure with a focus on the detection of the topological surface states in experiments by reviewing several exemplary materials. Special attention is given to superconducting half-Heusler materials, which have attracted ample attention as a platform for non-centrosymmetric and topological superconductivity.

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Language(s): eng - English
 Dates: 2014
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000344049700010
DOI: 10.1557/mrs.2014.198
 Degree: -

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Title: MRS Bulletin
  Abbreviation : MRS Bull.
Source Genre: Journal
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Publ. Info: Pittsburgh, PA : The Society
Pages: - Volume / Issue: 39 (10) Sequence Number: - Start / End Page: 859 - 866 Identifier: ISSN: 0883-7694
CoNE: /journals/resource/954925549328