Realizing spontaneous valley polarization and topological phase transitions in monolayer ScX2 (X= Cl, Br, I)

Y Wu, J Tong, L Deng, F Luo, F Tian, G Qin, X Zhang - Acta Materialia, 2023 - Elsevier
Manipulating the valley degree of freedom besides the charge and spin has attracted
increasing interest in fundamental sciences and emerging applications. In this study, the …

Distinct ferrovalley characteristics of the Janus RuClX (X= F, Br) monolayer

Y Ma, Y Wu, J Tong, L Deng, X Yin, L Zhou, X Han… - Nanoscale, 2023 - pubs.rsc.org
Two-dimensional ferrovalley materials should simultaneously possess three characteristics,
that is, a Curie temperature beyond atmospheric temperature, perpendicular magnetic …

Valley-polarized quantum anomalous Hall insulator in monolayer

SD Guo, WQ Mu, BG Liu - 2D Materials, 2022 - iopscience.iop.org
The coexistence of an intrinsic ferrovalley (FV) and nontrivial band topology attracts
intensive interest, both for its fundamental physics and for its potential applications, namely a …

Strain-engineering induced topological phase transitions and multiple valley states in Janus monolayer VCSiN 4

K Jia, XJ Dong, SS Li, WX Ji, CW Zhang - Journal of Materials …, 2023 - pubs.rsc.org
It is crucial to manipulate the valley degree of freedom for the valleytronics and spintronics
development, which offers fascinating opportunities in both practical applications and …

Coupled Spin-Valley, Rashba Effect, and Hidden Spin Polarization in WSi2N4 Family

S Sheoran, S Monga, A Phutela… - The Journal of Physical …, 2023 - ACS Publications
Using first-principles calculations, we report the electronic properties with a special focus on
the band splitting in the WSi2N4 class of materials. Due to the broken inversion symmetry …

Two-dimensional valleytronic semiconductor with spontaneous spin and valley polarization in single-layer

Z He, R Peng, X Feng, X Xu, Y Dai, B Huang, Y Ma - Physical Review B, 2021 - APS
Two-dimensional (2D) valleytronic materials, exhibiting valley-contrasting physics, are both
fundamentally intriguing and practically appealing to be used in nanoscale devices. In this …

Possible way to achieve anomalous valley Hall effect by piezoelectric effect in a monolayer

SD Guo, JX Zhu, WQ Mu, BG Liu - Physical Review B, 2021 - APS
Ferrovalley materials can achieve manipulation of the valley degree of freedom with intrinsic
spontaneous valley polarization introduced by their intrinsic ferromagnetism. A good …

First-Principles Study Reveals an Electronic Correlation Effect on the Topological and Electronic Properties of Janus RuClF Monolayers: Implications for Spintronics …

K Jia, XJ Dong, SS Li, WX Ji… - ACS Applied Nano …, 2023 - ACS Publications
Combining the nontrivial band topology with the intrinsic ferrovalley (FV), the valley-
nonequilibrium quantum anomalous Hall effect (VQAHE) attracts growing attention both for …

Substantial electronic correlation effects on the electronic properties in a Janus FeClF monolayer

SD Guo, JX Zhu, MY Yin, BG Liu - Physical Review B, 2022 - APS
Electronic correlation may have an essential influence on the electronic structure in some
materials with special structures and localized orbital distribution. In this work, taking a …

Large spontaneous valley polarization and anomalous valley Hall effect in antiferromagnetic monolayer

SD Guo, L Zhang, Y Zhang, P Li, G Wang - Physical Review B, 2024 - APS
Superior to ferromagnetic (FM) materials, antiferromagnetic (AFM) materials do not have any
net magnetic moment and are robust to external magnetic perturbation with ultrahigh …