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  An STM Perspective on Hexaborides: Surface States of the Kondo Insulator SmB6

Wirth, S., & Schlottmann, P. (2021). An STM Perspective on Hexaborides: Surface States of the Kondo Insulator SmB6. Advanced Quantum Technologies, 4(12): 2100102, pp. 1-21. doi:10.1002/qute.202100102.

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 Creators:
Wirth, Steffen1, Author              
Schlottmann, Pedro2, Author
Affiliations:
1Steffen Wirth, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863460              
2External Organizations, ou_persistent22              

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 Abstract: Compounds within the hexaboride class of materials exhibit a wide variety of interesting physical phenomena, including polaron formation and quadrupolar order. In particular, SmB6 has recently drawn attention as it is considered a prototypical topological Kondo insulator. Evidence in favor of this concept, however, has proven experimentally difficult and controversial, partly because of the required temperatures and energy resolution. Here, a powerful tool is scanning tunneling microscopy (STM) with its unique ability to give local, microscopic information that directly relates to the one-particle Green's function. Yet, STM on hexaborides is met with its own set of challenges. This article attempts to review the progress in STM investigations on hexaborides, with emphasis on SmB6 and its intriguing properties.

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Language(s): eng - English
 Dates: 2021-10-172021-10-17
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000707845000001
DOI: 10.1002/qute.202100102
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Title: Advanced Quantum Technologies
Source Genre: Journal
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Pages: - Volume / Issue: 4 (12) Sequence Number: 2100102 Start / End Page: 1 - 21 Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/https://onlinelibrary.wiley.com/journal/25119044