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  Experimental realization of type-II Weyl state in noncentrosymmetric TaIrTe4

Haubold, E., Koepernik, K., Efremov, D., Khim, S., Fedorov, A., Kushnirenko, Y., et al. (2017). Experimental realization of type-II Weyl state in noncentrosymmetric TaIrTe4. Physical Review B, 95(24): 241108, pp. 1-7. doi:10.1103/PhysRevB.95.241108.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-78F2-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-790D-4
Genre: Journal Article

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 Creators:
Haubold, E.1, Author
Koepernik, K.1, Author
Efremov, D.1, Author
Khim, S.2, Author              
Fedorov, A.1, Author
Kushnirenko, Y.1, Author
van den Brink, J.1, Author
Wurmehl, S.1, Author
Buechner, B.1, Author
Kim, T. K.1, Author
Hoesch, M.1, Author
Sumida, K.1, Author
Taguchi, K.1, Author
Yoshikawa, T.1, Author
Kimura, A.1, Author
Okuda, T.1, Author
Borisenko, S. V.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              

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 Abstract: We present experimental evidence for a type-II noncentrosymmetric Weyl state in TaIrTe4 where it has been recently predicted theoretically. We find direct correspondence between angle-resolved photoemission spectroscopy data and calculated electronic structure both in the bulk and the surface, and clearly observe the exotic surface states which support the quasi-one-dimensional Fermi arcs connecting only four Weyl points. Remarkably, these electronic states are spin polarized in the direction along the arcs, thus highlighting TaIrTe4 as an interesting type-II Weyl semimetal with a promising application potential.

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Language(s): eng - English
 Dates: 2017-06-122017-06-12
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
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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: 95 (24) Sequence Number: 241108 Start / End Page: 1 - 7 Identifier: ISSN: 1098-0121
CoNE: /journals/resource/954925225008