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Spin polarization and texture of the Fermi arcs in the Weyl Fermion semimetal TaAs
Su-Yang Xu, Ilya Belopolski, Daniel S. Sanchez +25
A Weyl semimetal is a new state of matter that host Weyl fermions as quasiparticle excitations. The Weyl fermions at zero energy correspond to points of bulk band degeneracy, Weyl…
Electrical transport in nano-thick ZrTe sheets: from three to two dimensions
Jingjing Niu, Jingyue Wang, Zhijie He +7
ZrTe is a newly discovered topological material. Shortly after a single layer ZrTe had been predicted to be a two-dimensional topological insulator, a handful of experiment…
Exotic Superconducting Properties in Topological Nodal Semimetal PbTaSe
Cheng-Long Zhang, Zhujun Yuan, Guang Bian +4
We report the electronic properties of superconductivity in the topological nodal-line semimetal PbTaSe. Angle-resolved photoemission measurements accompanied by band calculati…
Experimental discovery of a topological Weyl semimetal state in TaP
Su-Yang Xu, Ilya Belopolski, Daniel S. Sanchez +24
Weyl semimetals are expected to open up new horizons in physics and materials science because they provide the first realization of Weyl fermions and exhibit protected Fermi arc su…
Large Magnetoresistance over an Extended Temperature Regime in Monophosphides of Tantalum and Niobium
Chenglong Zhang, Cheng Guo, Hong Lu +5
We report extremely large magnetoresistance (MR) in an extended temperature regime from 1.5 K to 300 K in non-magnetic binary compounds TaP and NbP. TaP exhibits linear MR around $…
Magnetic tunneling induced Weyl node annihilation in TaP
Cheng-Long Zhang, Su-Yang Xu, C. M. Wang +20
Weyl nodes are topological objects in three-dimensional metals. Their topological property can be revealed by studying the high-field transport properties of a Weyl semimetal. Whil…
Discovery of a Weyl Fermion semimetal state in NbAs
Su-Yang Xu, Nasser Alidoust, Ilya Belopolski +21
We report the discovery of Weyl semimetal NbAs featuring topological Fermi arc surface states.
Ultraquantum magnetoresistance in single-crystalline -AgSe
Chenglong Zhang, Haiwen Li, Tay-Rong Chang +9
In the history of condensed matter physics, reinvestigation of a well-studied material with enhanced quality sometimes led to important scientific discoveries. A well-known example…
Discovery of a Weyl Fermion Semimetal and Topological Fermi Arcs
Su-Yang Xu, Ilya Belopolski, Nasser Alidoust +14
We report discovery of a Weyl Fermion semimetal and Topological Fermi arcs in TaAs
Tantalum Monoarsenide: an Exotic Compensated Semimetal
Chenglong Zhang, Zhujun Yuan, Suyang Xu +6
Compared with the semiconductors such as silicon and gallium arsenide which have been used widely for decades, semimetals have not received much attention in the field of condensed…