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 …

Revealing the EuCd2As2 Semiconducting Band Gap via n-Type La-Doping

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 …

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 …

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 …

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 …

[HTML][HTML] Precise Fermi level engineering in a topological Weyl semimetal via fast ion implantation

M Mandal, A Chotrattanapituk, K Woller, L Wu… - Applied Physics …, 2024 - pubs.aip.org
The precise controllability of the Fermi level is a critical aspect of quantum materials. For
topological Weyl semimetals, there is a pressing need to fine-tune the Fermi level to the …

Intrinsic insulating transport characteristics in low-carrier density EuCd2As2 films

S Nishihaya, A Nakamura, M Ohno, M Kriener… - Applied Physics …, 2024 - pubs.aip.org
Searching for an ideal magnetic Weyl semimetal hosting only a single pair of Weyl points
has been a focal point for systematic clarification of its unique magnetotransport derived …

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 …

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 …

Doping-tunable Fermi surface with persistent topological Hall effect in the axion candidate

J Yan, J Si, Z Jiang, H Ma, Y Uwatoko, BT Wang, X Luo… - Physical Review B, 2024 - APS
The rare-earth Zintl compound EuI n 2 A s 2 has been theoretically recognized as a
candidate for realizing an intrinsic antiferromagnetic (AFM) bulk axion insulator and a higher …