Zobrazeno 1 - 10
of 2 892
pro vyhledávání: '"valley Hall effect"'
Compared to the ferromagnetic materials that realize the anomalous valley Hall effect by breaking time-reversal symmetry and spin-orbit coupling, the antiferromagnetic materials with the joint spatial inversion and time-reversal (PT) symmetry are rar
Externí odkaz:
http://arxiv.org/abs/2411.06682
Valley-contrasting Hall transport conventionally relies on the inversion symmetry breaking in two-dimensional systems, which greatly limits the selection range of valley materials. In particular, while monolayer transition metal dichalcogenides have
Externí odkaz:
http://arxiv.org/abs/2412.19502
Autor:
Tan, Chao-Yang, Gao, Ze-Feng, Yang, Huan-Cheng, Liu, Zheng-Xin, Liu, Kai, Guo, Peng-Jie, Lu, Zhong-Yi
The time-reversal symmetry is thought to be a necessary condition for realizing valley Hall effect. If the time-reversal symmetry is broken, whether the valley Hall effect can be realized has not been explored. In this letter, based on symmetry analy
Externí odkaz:
http://arxiv.org/abs/2410.00073
Autor:
Tian, Jianke, Li, Jia, Liu, Hengbo, Li, Yan, Liu, Ze, Li, Linyang, Li, Jun, Liu, Guodong, Shi, Junjie
Valley-related multiple Hall effect and piezoelectric response are novel transport characteristics in low-dimensional system, however few studies have reported their coexistence in a single system as well as their coupling relationships. By first-pri
Externí odkaz:
http://arxiv.org/abs/2410.15786
Publikováno v:
Science 385, 657-661 (2024)
Edge states of a topological insulator can be used to explore fundamental science emerging at the interface of low dimensionality and topology. Achieving a robust conductance quantization, however, has proven challenging for helical edge states. Here
Externí odkaz:
http://arxiv.org/abs/2408.07804
Autor:
Zeng, W.
Publikováno v:
Phys. Rev. B 110, 205406 (2024)
We propose a geometric phase-resolved tunneling valley Hall effect based on the coherent transmission through two combined electric barriers in $\alpha-\mathcal{T}_3$ lattices. It is shown that the backreflected electrons at the barrier interface may
Externí odkaz:
http://arxiv.org/abs/2406.18903
Autor:
Wang, Yaping a, Xu, Xinguang a, Ji, Weixiao b, Sun, Wei c, Li, Shengshi b, ∗∗, Li, Yanlu a, ∗, Zhao, Xian d, ∗∗∗
Publikováno v:
In Journal of Materiomics January 2025 11(1)
The antiferromagnetic (AFM) valleytronics can be intrinsically more energy-saving and fast-operating in device applications. In general, the lacking spontaneous spin-splitting hinders the implementation and detection of anomalous valley Hall effect (
Externí odkaz:
http://arxiv.org/abs/2407.16954
Magnetism and topology are two major areas of condensed matter physics. The combination of magnetism and topology gives rise to more novel physical effects, which have attracted strongly theoretical and experimental attention. Recently, the concept o
Externí odkaz:
http://arxiv.org/abs/2406.16603
Exploring combination of antiferromagnetic (AFM) spintronics and anomalous valley Hall effect (AVHE) is one of the most important questions for valleytronic applications. The key to address this issue is to achieve spin splitting around the valleys i
Externí odkaz:
http://arxiv.org/abs/2405.18826