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Large anomalous Hall and Nernst effect from nodal line symmetry breaking in FeMnX (X=P,As,Sb)
Jonathan Noky, Claudia Felser, Yan Sun
A large Berry curvature in the vicinity of the Fermi energy is required in order to obtain a large anomalous Hall and Nernst effect. This Berry curvature can be induced by Weyl poi…
Topological insulators vs. topological Dirac semimetals in honeycomb compounds
Xiuwen Zhang, Qihang Liu, Qiunan Xu +2
Intriguing physical property of materials stems from their chemical constituent whereas the connection between them is often not clear. Here, we uncover a general chemical classifi…
Strong spin-Hall and Nernst effects in a p-band semimetal
Yang Zhang, Qiunan Xu, Klaus Koepernik +4
Since spin currents can be generated, detected, and manipulated via the spin Hall effect (SHE), the design of strong SHE materials has become a focus in the field of spintronics. B…
Observation of Landau quantization and standing waves in HfSiS
L. Jiao, Q. N. Xu, Y. P. Qi +4
Recently, HfSiS was found to be a new type of Dirac semimetal with a line of Dirac nodes in the band structure. Meanwhile, Rashba-split surface states are also pronounced in this c…
Visualization of electronic topology in ZrSiSe by scanning tunneling microscopy
Kunliang Bu, Ying Fei, Wenhao Zhang +8
As emerging topological nodal-line semimetals, the family of ZrSiX (X = O, S, Se, Te) has attracted broad interests in condensed matter physics due to their future applications in…
Topological surface Fermi arcs in the magnetic Weyl semimetal CoSnS
Qiunan Xu, Enke Liu, Wujun Shi +4
Very recently, the half-metallic compound CoSnS was predicted to be a magnetic WSM with Weyl points only 60 meV above the Fermi level (). Owing to the low charge c…