Experimental perspective on three-dimensional topological semimetals

BQ Lv, T Qian, H Ding - Reviews of Modern Physics, 2021 - APS
Topological semimetals (TSMs) are characterized by bulk band crossings in their electronic
structures, which are expected to give rise to gapless electronic excitations and topological …

Experimental signatures of the chiral anomaly in Dirac–Weyl semimetals

NP Ong, S Liang - Nature Reviews Physics, 2021 - nature.com
In condensed matter, the chiral anomaly describes the conversion of left-moving Dirac–Weyl
fermions to right-moving ones in parallel electric and magnetic fields. The resulting axial …

3D Dirac semimetal : A review of material properties

I Crassee, R Sankar, WL Lee, A Akrap, M Orlita - Physical Review Materials, 2018 - APS
Cadmium arsenide (Cd 3 As 2), a time-honored and widely explored material in solid-state
physics, has recently attracted considerable attention. This was triggered by a theoretical …

Giant anisotropic magnetoresistance and planar Hall effect in the Dirac semimetal

H Li, HW Wang, H He, J Wang, SQ Shen - Physical Review B, 2018 - APS
Anisotropic magnetoresistance is the change tendency of resistance of a material on the
mutual orientation of the electric current and the external magnetic field. Here, we report …

Nontopological origin of the planar Hall effect in the type-II Dirac semimetal

Q Liu, F Fei, B Chen, X Bo, B Wei, S Zhang, M Zhang… - Physical Review B, 2019 - APS
We measure the low-temperature magnetic transport in a recently discovered type-II Dirac
semimetal NiTe 2 and successfully observe the planar Hall effect (PHE) which is often …

Observation of giant room-temperature anisotropic magnetoresistance in the topological insulator β-Ag2Te

W Ai, F Chen, Z Liu, X Yuan, L Zhang, Y He… - Nature …, 2024 - nature.com
Achieving room-temperature high anisotropic magnetoresistance ratios is highly desirable
for magnetic sensors with scaled supply voltages and high sensitivities. However, the ratios …

Planar Hall effect in topological Weyl and nodal-line semimetals

L Li, J Cao, C Cui, ZM Yu, Y Yao - Physical Review B, 2023 - APS
Using symmetry analysis and a semiclassical Boltzmann equation, we theoretically explore
the planar Hall effect (PHE) in three-dimensional materials. We demonstrate that PHE is a …

Anisotropic planar Hall effect in the type-II topological Weyl semimetal

P Li, C Zhang, Y Wen, L Cheng, G Nichols, DG Cory… - Physical Review B, 2019 - APS
The giant planar Hall effect arising from a chiral anomaly, and that is related to the Berry
curvature, has been predicted but never observed in nonmagnetic type-II Dirac/Weyl …

Origin of planar Hall effect on the surface of topological insulators: Tilt of Dirac cone by an in-plane magnetic field

SH Zheng, HJ Duan, JK Wang, JY Li, MX Deng… - Physical Review B, 2020 - APS
Recently, a novel planar Hall effect (PHE), which results from the resistivity anisotropy
induced by an in-plane magnetic field, was discovered on the surface of topological …

[HTML][HTML] Advances and key technologies in magnetoresistive sensors with high thermal stabilities and low field detectivities

B Lim, M Mahfoud, PT Das, T Jeon, C Jeon, M Kim… - APL Materials, 2022 - pubs.aip.org
Advances in micro-and nanotechnology have led to rapid employment of spintronic sensors
in both recording and non-recording applications. These state-of-the-art magnetoresistive …