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In conventional ferroelectric materials, polarization is an intrinsic property limited by bulk crystallographic structure and symmetry. Recently, it has been demonstrated that polar order can also be accessed using inherently non-polar van…

Achieving external control over the anomalous valley Hall (AVH) effect is essential for advancing valleytronic applications. However, many of the existing approaches suffer from limitations such as irreversibility or volatility. In this…

材料科学 · 物理学 2025-08-20 Ankita Phutela , Saswata Bhattacharya

A single layer ferromagnetic film magnetized in the plane of an ac current flow, exhibits a characteristic Hall voltage with harmonic and second harmonic components, which is attributed to the presence of spin currents with polarization…

介观与纳米尺度物理 · 物理学 2024-05-07 Soumik Aon , Harekrishna Bhunia , Pratap Kumar Pal , Abu Bakkar Miah , Dhananjaya Mahapatra , Anjan Barman , Partha Mitra

We theoretically investigated Anomalous Hall Effect (AHE) and Spin Hall Effect (SHE) transversally to the insulating spacer O, in magnetic tunnel junctions of the form F/O/F where F are ferromagnetic layers and O represents a tunnel…

介观与纳米尺度物理 · 物理学 2012-09-14 A. Vedyayev , N. Ryzhanova , N. Strelkov , B. Dieny

The Rashba-Edelstein effect (REE), which generates interfacial spin polarization and subsequent spin current, is a compelling spin-charge conversion mechanism for spintronics applications, since it is not limited by the elemental spin-orbit…

介观与纳米尺度物理 · 物理学 2023-12-13 Jing Li , Andrew H. Comstock , Aeron McConnell , Dali Sun , Xiaoshan Xu

We theoretically investigate an extrinsic spin Hall effect (SHE) in semiconductor heterostructures due to the scattering by an artificial potential created by antidot, STM tip, etc. The potential is electrically tunable. First, we formulate…

介观与纳米尺度物理 · 物理学 2015-05-13 Mikio Eto , Tomohiro Yokoyama

Spin-charge conversion via inverse spin Hall effect (ISHE) is essential for enabling various applications of spintronics. The spin Hall response usually follows a universal scaling relation with longitudinal electric resistivity and has…

We report the first electrical manipulation and detection of the mesoscopic intrinsic spin-Hall effect (ISHE) in semiconductors through non-local electrical measurement in nano-scale H-shaped structures built on high mobility HgTe/HgCdTe…

介观与纳米尺度物理 · 物理学 2008-12-22 C. Bruene , A. Roth , E. G. Novik , M. Koenig , H. Buhmann , E. M. Hankiewicz , W. Hanke , J. Sinova , L. W. Molenkamp

Two-dimensional multiferroic van der Waals heterostructures provide a promising platform for the simultaneous control of distinct ferroic orders, with potential applications in magnetoelectric devices and spintronics. The practical…

材料科学 · 物理学 2025-09-03 Priyanshu Raj , Sourav Mal , Rana Saha , Prasenjit Sen

Quantum spin Hall (QSH) insulator materials feature topologically protected edge states that can drastically reduce dissipation and are useful for the next-generation electronics. However, the nonvolatile control of topological edge state…

材料科学 · 物理学 2020-12-30 Hua Bai , Xinwei Wang , Weikang Wu , Pimo He , Zhu'an Xu , Shengyuan A. Yang , Yunhao Lu

The family of Hall effects has long served as a premier probe of how symmetry, magnetic order, and topology intertwine in solids. Recently, the in-plane anomalous Hall effect (IP-AHE), a transverse Hall response driven by in-plane…

The quantum anomalous Hall effect (QAHE) hosts the dissipationless chiral edge states associated with the nonzero Chern number, providing potentially significant applications in future spintronics. The QAHE usually occurs in a…

强关联电子 · 物理学 2018-08-08 Y. J. Jin , R. Wang , B. W. Xia , B. B. Zheng , H. Xu

The method proposed by us in [1], which eliminates obstacles in the application of electrical methods for studying the spin-Hall effect (SHE) by creating a spin unbalance, which generates a charge unbalance, using the form effect without…

介观与纳米尺度物理 · 物理学 2020-02-11 Yu. N. Chiang , M. O. Dzyuba

In this work, the BiFeO3 (BFO)/SrRuO3 (SRO) heterostructure was fabricated and the anomalous Hall effect (AHE) was investigated the in BFO/SRO. It is found the nonmonotonic anomalous Hall resistivity behavior in BFO/SRO is originated from…

强关联电子 · 物理学 2019-10-08 Z. Y. Ren , Z. Yuan , L. F. Wang , F. Shao , P. F. Liu , J. Teng , K. K. Meng , X. G. Xu , J. Miao , Y. Jiang

Atomically-thin materials based on transition metal dichalcogenides and graphene offer a promising avenue for unlocking the mechanisms underlying the spin Hall effect (SHE) in heterointerfaces. Here, we develop a microscopic theory of the…

介观与纳米尺度物理 · 物理学 2024-09-20 David T. S. Perkins , Alessandro Veneri , Aires Ferreira

We investigate a new class of topological antiferromagnetic (AF) Chern insulators driven by electronic interactions in two-dimensional systems without inversion symmetry. Despite the absence of a net magnetization, AF Chern insulators…

强关联电子 · 物理学 2018-04-17 Kun Jiang , Sen Zhou , Xi Dai , Ziqiang Wang

Constructing heterostructures of a topological insulator (TI) with an undoped magnetic insulator (MI) is a clean and versatile approach to break the time-reversible symmetry in the TI surface states. Despite a lot of efforts, the strength…

应用物理 · 物理学 2020-09-30 Nan Liu , Xuefan Niu , Yuxin Liu , Qinghua Zhang , Lin Gu , Jing Teng , Yongqing Li

Exploration of spin-currents in organic semiconductors (OSECs) induced by resonant microwave absorption in ferromagnetic substrates has been of great interest for potential spintronics applications. Due to the inherently weak spin-orbit…

Controlling charge-spin current conversion by electric fields is crucial in spintronic devices, which can be realized in diatom ferroelectric semiconductor GeTe where it is established that ferroelectricity can change the spin texture. We…

材料科学 · 物理学 2020-07-09 Wenxu Zhang , Zhao Teng , Huizhong Zeng , Jakub Zelezny , Hongbin Zhang , Wanli Zhang

The spin-orbit interaction couples the electrons' motion to their spin. Accordingly, passing a current in a material with strong spin-orbit coupling generates a transverse spin current (spin Hall effect, SHE) and vice-versa (inverse spin…