Topological insulators within the family of Heusler materials

Chadov, Stanislav; Felser, Claudia

doi:10.1007/978-3-319-21449-8_20

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Topological insulators within the family of Heusler materials

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Chadov, Stanislav
Stanislav Chadov, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Felser, Claudia
Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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引用

Chadov, S., & Felser, C. (2016). Topological insulators within the family of Heusler materials. In C., Felser (Ed.), Heusler Alloys (pp. 465-477). Cham: Springer. doi:10.1007/978-3-319-21449-8_20.

引用: https://hdl.handle.net/11858/00-001M-0000-0029-B2D6-6

要旨

The first system, in which the quantized spin Hall effect has been demonstrated experimentally, was the zinc-blende binary HgTe semimetal. The aim of our contribution is to show that, by having the similar crystal structure but ternary chemical composition, Heusler compounds naturally represent much more diverse family of nontrivial semimetals, compared to the binaries. Here we will give an overview of these topologically nontrivial systems, by discussing the role of the spin-orbit coupling for the band inversion and the crystal symmetry mechanisms which lead to the semimetallic zero-gap state in these materials. © Springer International Publishing Switzerland 2016.