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Atomic Scale Visualization of Quantum Interference on a Weyl Semimetal Surface by Scanning Tunneling Microscopy/Spectroscopy
Hao Zheng, Su-Yang Xu, Guang Bian +19
Weyl semimetals may open a new era in condensed matter physics, materials science and nanotech after graphene and topological insulators. We report the first atomic scale view of t…
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…
Topological Phase Transition in Single Crystals of
Hong Lu, Xiao Zhang, Shuang Jia
Single crystals of were synthesized from high-temperature solutions and characterized in terms of their structural and electrical properties. Based on the…
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 $…
Dynamical Evolution of Anisotropic Response in Black Phosphorus under Ultrafast Photoexcitation
Shaofeng Ge, Chaokai Li, Zhimin Zhang +8
Black phosphorus has recently emerged as a promising material for high performance electronic and optoelectronic device for its high mobility, tunable mid-infrared bandgap and anis…
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…