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 …

KTaO3—The New Kid on the Spintronics Block

A Gupta, H Silotia, A Kumari, M Dumen… - Advanced …, 2022 - Wiley Online Library
Long after the heady days of high‐temperature superconductivity, the oxides came back into
the limelight in 2004 with the discovery of the 2D electron gas (2DEG) in SrTiO3 (STO) and …

Planar Hall effect in the Weyl semimetal GdPtBi

N Kumar, SN Guin, C Felser, C Shekhar - Physical Review B, 2018 - APS
The recent discovery of Weyl and Dirac semimetals is one of the most important progresses
in condensed matter physics. Among the very few available tools to characterize Weyl …

Opportunities in topological insulator devices

O Breunig, Y Ando - Nature Reviews Physics, 2022 - nature.com
Topological insulators (TIs) hold promise as a platform for unique quantum phenomena.
However, realizing these phenomena experimentally requires sophisticated devices. In this …

Hall effects in artificially corrugated bilayer graphene without breaking time-reversal symmetry

SC Ho, CH Chang, YC Hsieh, ST Lo, B Huang… - Nature …, 2021 - nature.com
Strain can be used to modify the band structure—and thus the electronic properties—of two-
dimensional materials. However, research has focused on the use of monolayer graphene …

Transport in two-dimensional topological materials: recent developments in experiment and theory

D Culcer, AC Keser, Y Li, G Tkachov - 2D Materials, 2020 - iopscience.iop.org
We review theoretical and experimental highlights in transport in two-dimensional
topological materials over the last five years. Topological materials comprise topological …

Planar Hall effect and anisotropic magnetoresistance in polar-polar interface of LaVO3-KTaO3 with strong spin-orbit coupling

N Wadehra, R Tomar, RM Varma, RK Gopal… - Nature …, 2020 - nature.com
Among the perovskite oxide family, KTaO3 (KTO) has recently attracted considerable
interest as a possible system for the realization of the Rashba effect. In this work, we report a …

Nonlinear planar Hall effect

P He, SSL Zhang, D Zhu, S Shi, OG Heinonen… - Physical review …, 2019 - APS
An intriguing property of a three-dimensional (3D) topological insulator (TI) is the existence
of surface states with spin-momentum locking, which offers a new frontier of exploration in …

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 …