Colossal magnetoresistance and topological phase transition in

S Luo, Y Xu, F Du, L Yang, Y Chen, C Cao, Y Song… - Physical Review B, 2023 - APS
We report electrical transport properties of EuZn 2 As 2 under pressures up to 26 GPa. At
ambient pressure, EuZn 2 As 2 exhibits an insulating ground state and a≈ 200% negative …

Revealing the EuCd2As2 Semiconducting Band Gap via n-Type La-Do**

RA Nelson, J King, S Cheng, AJ Williams… - Chemistry of …, 2024 - ACS Publications
EuCd2As2 has attracted considerable interest as one of the few magnetic Weyl semimetal
candidate materials, although recently, there have been emerging reports that claim it to …

Manipulating magnetism and transport properties of with a low carrier concentration

X Chen, Z Wang, Z Zhou, W Yang, Y Liu, JY Lu, Z Ren… - Physical Review B, 2024 - APS
Materials that exhibit strongly coupled magnetic order and electronic properties are crucial
for both fundamental research and technological applications. However, finding a material …

Absence of Weyl nodes in revealed by the carrier density dependence of the anomalous Hall effect

Y Shi, Z Liu, LA Burnett, S Lee, C Hu, Q Jiang, J Cai… - Physical Review B, 2024 - APS
The antiferromagnetic layered compound EuCd 2 As 2 is widely considered a leading
candidate of ideal Weyl semimetals, featuring a single pair of Weyl nodes in its field-induced …

New Recipe for Enhancing the Thermoelectric Performance in Topological Materials Carrying Single‐Pair Weyl Points Fermions and Phonons

G Ding, J Wang, H Wu, W Wang, D Li… - Advanced Electronic …, 2024 - Wiley Online Library
The emergence of various topological semimetal states presents a novel opportunity for
enhancing the efficiency of thermoelectric transport. This study introduces a recipe to …

The discovery of three-dimensional Van Hove singularity

W Wu, Z Shi, M Ozerov, Y Du, Y Wang, XS Ni… - Nature …, 2024 - nature.com
Arising from the extreme/saddle point in electronic bands, Van Hove singularity (VHS)
manifests divergent density of states (DOS) and induces various new states of matter such …

Recent advances in understanding and manipulating magnetic and electronic properties of EuM2X2 (M= Zn, Cd; X= P, As)

X Chen, S Dong, ZC Wang - Journal of Physics: Condensed …, 2024 - iopscience.iop.org
Over the past five years, significant progress has been made in understanding the
magnetism and electronic properties of CaAl 2 Si 2-type EuM 2 X 2 (M= Zn, Cd; X= P, As) …

Carrier-induced transition from antiferromagnetic insulator to ferromagnetic metal in the layered phosphide

X Chen, W Yang, JY Lu, Z Zhou, Z Ren, GH Cao… - Physical Review B, 2024 - APS
EuZn 2 P 2 was reported to be an insulating antiferromagnet with TN of 23.5 K. In this study
single crystals of EuZn 2 P 2 exhibiting metallic behavior and a ferromagnetic order of 72 K …

Ideal spin-polarized Weyl half-semimetal with a single pair of Weyl points in the half-Heusler compounds (, Rb)

H Liu, J Cao, Z Zhang, J Liang, L Wang, SA Yang - Physical Review B, 2024 - APS
Realizing ideal Weyl semimetal state with a single pair of Weyl points has been a long-
sought goal in the field of topological semimetals. Here, we reveal such a state in the Cr …

Coupling of magnetism, crystal lattice, and transport in EuCuP and EuCuAs

AF May, EM Clements, H Zhang, RP Hermann… - Physical Review …, 2023 - APS
EuCuP and EuCuAs are members of a family of materials with candidates for realizing
magnetically tuned electronic topology. In this work, the magnetic phase transitions and …