Dresden 2017 – wissenschaftliches Programm

Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe

DS: Fachverband Dünne Schichten

DS 33: Transport: Topological Semimetals 2 (jointly with MA/TT)

DS 33.3: Vortrag

Mittwoch, 22. März 2017, 15:30–15:45, HSZ 204

Experimental observation of type-II Weyl states in TaIrTe4 — •Erik Haubold1, Klaus Koepernik1, Dmitriy Efremov1, Seunghyun Khim2, Alexander Fedorov1,3, Yevhen Kushnirenko1, Jeroen van den Brink1,4, Sabine Wurmehl1,4, Bernd Büchner1,4, Timur Kim5, Moritz Hoesch5, Kazuki Sumida6, Kazuaki Taguchi6, Tomoki Yoshikawa6, Akio Kimura6, Taichi Okuda7, and Sergey Borisenko11IFW Dresden, P.O. Box 270116, 01171 Dresden, Germany — 2MPI CPfS, 01187 Dresden, Germany — 3II. Physikalisches Institut, Universität zu Köln, 50937 Köln, Germany — 4Department of Physics, TU Dresden, 01062 Dresden, Germany — 5Diamond Light Source, Didcot OX11 0DE, United Kingdom — 6Graduate School of Science, Hiroshima University, Higashi-Hiroshima 739-8526, Japan — 7Hiroshima Synchrotron Radiation Center, Hiroshima University, Higashi-Hiroshima 739-0046, Japan

Weyl semimetals have raised a lot of interest lately due to their interesting exotic surface states. TaIrTe4, belonging to the recently introduced class of type-II Weyl semimetals, hosts 4 Weyl points. These are well separated in the Brillouin zone and connected by rather long and parralel Fermi Arcs, making the material especially interesting for further research and future applications. In this work we find direct correspondence between theoretical predictions and ARPES results for both bulk and the surface states. Remarkably, these surface states are spin polarized, highlighting the potential for novel applications.

100% | Mobil-Ansicht | English Version | Kontakt/Impressum/Datenschutz
DPG-Physik > DPG-Verhandlungen > 2017 > Dresden