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  Surface and electronic structure at atomic length scales of the nonsymmorphic antiferromagnet Eu5In2Sb6

Ale Crivillero, M. V., Rößler, S., Rosa, P. F. S., Müller, J., Rößler, U. K., & Wirth, S. (2022). Surface and electronic structure at atomic length scales of the nonsymmorphic antiferromagnet Eu5In2Sb6. Physical Review B, 106(3): 035124, pp. 1-10. doi:10.1103/PhysRevB.106.035124.

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 Creators:
Ale Crivillero, M. Victoria1, Author           
Rößler, Sahana1, Author           
Rosa, Priscila F. S.2, Author
Müller, J.2, Author
Rößler, U. K.2, Author
Wirth, S.3, Author           
Affiliations:
1Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
2External Organizations, ou_persistent22              
3Steffen Wirth, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863460              

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Free keywords: Antiferromagnetic materials, Scanning tunneling microscopy, Topology, Antiferromagnets, Atomic-length scale, Complex pattern, Double chain, Electronic.structure, Fermi surface topology, Scanning tunnelling microscopy and spectroscopy, Spectroscopy measurements, Stackings, Zintl phase, Electronic structure
 Abstract: We performed scanning tunneling microscopy and spectroscopy (STM/STS) measurements to investigate the Zintl phase Eu5In2Sb6, a nonsymmorphic antiferromagnet. The theoretical prediction of a nontrivial Fermi surface topology stabilized by the nonsymmorphic symmetry motivated our research. On the cleaved (010) plane, we obtained striped patterns that can be correlated to the stacking of the [In2Sb6]10-double chains along the crystallographic c axis. The attempted cleavage along the a axis revealed a more complex pattern. We combined the STS measurement on nonreconstructed (010) and (081) surfaces with DFT calculations to further elucidate the electronic structure of Eu5In2Sb6. From our investigations so far, direct experimental evidence of the predicted topological surface states remains elusive. © 2022 authors. Published by the American Physical Society.

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Language(s): eng - English
 Dates: 2022-07-152022-07-15
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1103/PhysRevB.106.035124
 Degree: -

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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 106 (3) Sequence Number: 035124 Start / End Page: 1 - 10 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008