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  Surface and electronic structure of SmB6 through scanning tunneling microscopy

Rößler, S., Jiao, L., Kim, D. J., Seiro, S., Rasim, K., Steglich, F., et al. (2016). Surface and electronic structure of SmB6 through scanning tunneling microscopy. Philosophical Magazine Letters, 96, 3262-3273. doi:10.1080/14786435.2016.1171414.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-1006-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-28A9-4
Genre: Journal Article

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 Creators:
Rößler, S.1, Author              
Jiao, Lin2, Author              
Kim, D. J.3, Author
Seiro, S.4, Author              
Rasim, Karsten5, Author              
Steglich, F.6, Author              
Tjeng, L. H.7, Author              
Fisk, Z.3, Author
Wirth, S.8, Author              
Affiliations:
1Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
2Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
3External Organizations, ou_persistent22              
4Silvia Seiro, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863473              
5Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
6Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863467              
7Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863452              
8Steffen Wirth, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863460              

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 Abstract: SmB6, a so-called Kondo insulator, is recently discussed as a candidate material for a strong topological insulator. We present detailed atomically resolved topographic information on the (0 0 1) surface from more than a dozen SmB6 samples. Atomically flat, in situ cleaved surfaces often exhibit B-and Sm-terminated surfaces as well as reconstructed and non-reconstructed areas coexisting on different length scales. The terminations are unambiguously identified. In addition, electronic inhomogeneities are observed which likely result from the polar nature of the (0 0 1) surface and may indicate an inhomogeneous Sm valence at the surface of SmB6. In addition, atomically resolved topographies on a (1 1 0) surface are discussed.

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Language(s): eng - English
 Dates: 2016-04-222016-04-22
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
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Title: Philosophical Magazine Letters
  Abbreviation : Philos. Mag. Lett.
Source Genre: Journal
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Publ. Info: London : Taylor and Francis
Pages: - Volume / Issue: 96 Sequence Number: - Start / End Page: 3262 - 3273 Identifier: ISSN: 0950-0839
CoNE: /journals/resource/954925271392