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  Reply to “Comment on ‘Instability of the topological surface state in Bi2Se3 upon deposition of gold' ”

Polyakov, A., Tusche, C., Ellguth, M., Crozier, E. D., Mohseni, K., Otrokov, M. M., et al. (2018). Reply to “Comment on ‘Instability of the topological surface state in Bi2Se3 upon deposition of gold' ”. Physical Review B, 98(13): 136202. doi:10.1103/PhysRevB.98.136202.

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PhysRevB.98.136202.pdf (Publisher version), 656KB
 
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https://doi.org/10.1103/PhysRevB.98.136202 (Publisher version)
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 Creators:
Polyakov, A.1, Author
Tusche, C.2, Author
Ellguth, M.2, Author
Crozier, E. D.3, Author
Mohseni, K.2, Author              
Otrokov, M. M.3, Author
Zubizarreta Iriarte, X.2, Author
Garcia Vergniory, M.2, Author
Geilhufe, M.1, Author
Chulkov, E. V.3, Author
Ernst, A.2, Author              
Meyerheim, H. L.2, Author              
Parkin, S. S. P.1, Author              
Affiliations:
1Nano-Systems from Ions, Spins and Electrons, Max Planck Institute of Microstructure Physics, Max Planck Society, Weinberg 2, 06120 Halle, DE, ou_3287476              
2Max Planck Institute of Microstructure Physics, Max Planck Society, ou_2415691              
3External Organizations, ou_persistent22              

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 Abstract: In the Comment on our publication [Phys. Rev. B 95, 180202(R) (2017)], R. A. Gordon claims that our main conclusion is not valid, namely that gold atoms deposited in situ on the (0001) surface of single-crystalline Bi2Se3 reside in substitutional sites, i.e., replacing bismuth atoms within the topmost quintuple layer (QL). Based on x-ray absorption near-edge (XANES) spectra and a re-evaluation of extended x-ray absorption fine structure (EXAFS) data above the Au LIII edge, R. A. Gordon concludes that Au resides in a twofold environment as a result of an interface reaction leading to an Au2S-type local structure, in which gold adopts an Au(I) state and is linearly coordinated by selenium atoms. In this Reply, we will confirm the results published in the original paper and their interpretation that Au atoms reside in the substitutional site.

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 Dates: 2018-10-312018-10-01
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: P13547
DOI: 10.1103/PhysRevB.98.136202
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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: 98 (13) Sequence Number: 136202 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008