Emergent mystery in the Kondo insulator samarium hexaboride

L Li, K Sun, C Kurdak, JW Allen - Nature Reviews Physics, 2020 - nature.com
Samarium hexaboride (SmB6) is an example of a Kondo insulator, in which strong electron
correlations cause a band gap to open. SmB6 hosts both a bulk insulating state and a …

[HTML][HTML] Topological insulators for efficient spin–orbit torques

J Han, L Liu - APL Materials, 2021 - pubs.aip.org
Current-induced magnetic switching via spin–orbit torques has been extensively pursued for
memory and logic applications with promising energy efficiency. Topological insulators are a …

Observation of large unidirectional Rashba magnetoresistance in Ge (111)

T Guillet, C Zucchetti, Q Barbedienne, A Marty… - Physical Review Letters, 2020 - APS
Relating magnetotransport properties to specific spin textures at surfaces or interfaces is an
intense field of research nowadays. Here, we investigate the variation of the electrical …

Revealing 3D magnetization of thin films with soft X-ray tomography: magnetic singularities and topological charges

A Hierro-Rodríguez, C Quirós, A Sorrentino… - Nature …, 2020 - nature.com
The knowledge of how magnetization looks inside a ferromagnet is often hindered by the
limitations of the available experimental methods which are sensitive only to the surface …

Recent progress on measurement of spin–charge interconversion in topological insulators using ferromagnetic resonance

R Dey, A Roy, LF Register, SK Banerjee - APL Materials, 2021 - pubs.aip.org
Spin–orbit coupling (SOC) in materials plays a crucial role in interconversion between spin
and charge currents. In reduced dimensions, SOC effects are enhanced and have been the …

Room-temperature spin-to-charge conversion in sputtered bismuth selenide thin films via spin pumping from yttrium iron garnet

M Dc, T Liu, JY Chen, T Peterson, P Sahu, H Li… - Applied Physics …, 2019 - pubs.aip.org
We investigated spin-to-charge current conversion in sputtered Y 3 Fe 5 O 12 (YIG)/granular
bismuth selenide (GBS) bi-layers at room temperature. The spin current is pumped to the …

Giant spin Hall effect in Cu–Tb alloy thin films

Z Xu, GD Hwee Wong, J Tang, E Liu… - … applied materials & …, 2020 - ACS Publications
We report the giant spin current generation in CuTb alloys arising from the spin Hall effect.
The maximum spin Hall angle from our CuTb-based magnetic heterostructures was found to …

Spin-selective tunneling from nanowires of the candidate topological Kondo insulator SmB6

A Aishwarya, Z Cai, A Raghavan, M Romanelli… - Science, 2022 - science.org
Incorporating relativistic physics into quantum tunneling can lead to exotic behavior such as
perfect transmission through Klein tunneling. Here, we probed the tunneling properties of …

Exploring topological transport in nanoribbons: Insights for spintronic device integration

RLH Freire, FC de Lima, RH Miwa, A Fazzio - Physical Review B, 2024 - APS
The discovery of the quantum spin Hall effect led to the exploration of the electronic transport
for spintronic devices. We theoretically investigated the electronic conductance in large-gap …

Bulk and surface properties of SmB6

PFS Rosa, Z Fisk - Rare-Earth Borides, 2021 - taylorfrancis.com
Samarium hexaboride crystallizes in a simple cubic structure (space group# 221, Pm3̄m),
but its properties are far from being straightforward. Initially classified as a Kondo insulator …