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15 papers
Raman study of electron-phonon coupling in thin films of LiTiO spinel oxide superconductor
D. Chen, Y. -L. Jia, T. -T. Zhang +4
We performed a Raman scattering study of thin films of LiTiO spinel oxide superconductor. We detected four out of five Raman active modes, with frequencies in good accordan…
Robustness of topological states to lattice instability in non-symmorphic topological insulator KHgSb
D. Chen, T. T. Zhang, C. J. Yi +8
We report a polarized Raman scattering study of non-symmorphic topological insulator KHgSb with hourglass-like electronic dispersion. Supported by theoretical calculations, we show…
ARPES observation of Mn-pnictide hybridization and negligible band structure renormalization in BaMnAs and BaMnSb
W. -L. Zhang, P. Richard, A. van Roekeghem +14
We performed an angle-resolved photoemission spectroscopy study of BaMnAs and BaMnSb, which are isostructural to the parent compound BaFeAs of the 122 famil…
New phase transition in NaTiAsO revealed by Raman scattering
D. Chen, T. T. Zhang, Z. -D. Song +8
We performed a Raman scattering study of NaTiAsO. We identified a symmetry breaking structural transition at around K, which matches a large bump in the ele…
Observation of Fermi arc spin texture in TaAs
B. Q. Lv, S. Muff, T. Qian +15
We have investigated the spin texture of surface Fermi arcs in the recently discovered Weyl semimetal TaAs using spin- and angle-resolved photoemission spectroscopy. The experiment…
Observation of Weyl nodes and Fermi arcs in TaP
N. Xu, H. M. Weng, B. Q. Lv +18
A Weyl semimetal possesses spin-polarized band-crossings, called Weyl nodes, connected by topological surface arcs. The low-energy excitations near the crossing points behave the s…