Haubold, E., Koepernik, K., Efremov, D., Khim, S., Fedorov, A., Kushnirenko, Y., van den Brink, J., Wurmehl, S., Buechner, B., Kim, T. K., Hoesch, M., Sumida, K., Taguchi, K., Yoshikawa, T., Kimura, A., Okuda, T. and Borisenko, S. V. (2017). Experimental realization of type-II Weyl state in noncentrosymmetric TaIrTe4. Phys. Rev. B, 95 (24). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

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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.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Haubold, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Koepernik, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Efremov, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Khim, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fedorov, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kushnirenko, Y.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
van den Brink, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wurmehl, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Buechner, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kim, T. K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hoesch, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sumida, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Taguchi, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Yoshikawa, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kimura, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Okuda, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Borisenko, S. V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-227834
DOI: 10.1103/PhysRevB.95.241108
Journal or Publication Title: Phys. Rev. B
Volume: 95
Number: 24
Date: 2017
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 2469-9969
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
SEMIMETAL PHASEMultiple languages
Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed MatterMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/22783

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