Dresden 2017 – scientific programme
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TT: Fachverband Tiefe Temperaturen
TT 42: Correlated Electrons: Frustrated Magnets - Strong Spin-Orbit Coupling 2
TT 42.4: Talk
Wednesday, March 22, 2017, 10:15–10:30, HSZ 304
Spectroscopic investigations of a novel Iridate - a possible reference material for Kitaev physics — Philipp Benrath1, Angela Möller1, Vladimir Gnezdilov2,3, and •Peter Lemmens2 — 1IAC-AC, JGU Mainz — 2TU-BS, Braunschweig — 3ILTP, Kharvov
In Na2Ir(OH)6 there exist a D3d point group symmetry with an uniaxial threefold symmetry of the iridium complex. In our search for nonabelian anyons (fractionalized excitations)[1] we performed a systematic Raman scattering investigation of its excitation spectrum. Evidence for a symmetry reduction and its relation to other distorted Kitaev materials are discussed.
Work supported by RTG-DFG 1952/1, the Laboratory for Emerging Nanometrology, TU Braunschweig, and NTH Contacs in Nanosystems.
[1] A. Glamazda, P. Lemmens, S.-H. Do, K.-Y. Choi, Nature Commun. 7, 12286 (2016).