Experimental perspective on three-dimensional topological semimetals
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 …
structures, which are expected to give rise to gapless electronic excitations and topological …
Experimental signatures of the chiral anomaly in Dirac–Weyl semimetals
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 …
fermions to right-moving ones in parallel electric and magnetic fields. The resulting axial …
3D Dirac semimetal : A review of material properties
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 …
physics, has recently attracted considerable attention. This was triggered by a theoretical …
Giant anisotropic magnetoresistance and planar Hall effect in the Dirac semimetal
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 …
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 …
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 …
for magnetic sensors with scaled supply voltages and high sensitivities. However, the ratios …
Planar Hall effect in topological Weyl and nodal-line semimetals
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 …
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
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 …
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 …
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
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 …
in both recording and non-recording applications. These state-of-the-art magnetoresistive …