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Van der Waals heterostructures have recently emerged as an exciting platform for investigating the effects of strong electronic correlations, including various forms of magnetic or electrical orders. Here, we perform an unbiased exact…

Strongly Correlated Electrons · Physics 2024-07-15 Ahmed Abouelkomsan , Emil J. Bergholtz , Shubhayu Chatterjee

The spin structure of the valence and conduction bands at the $\overline{\text{K}}$ and $\overline{\text{K}}$' valleys of single-layer WS$_2$ on Au(111) is determined by spin- and angle-resolved photoemission and inverse photoemission. The…

We adopt the tight-binding mode-matching method to study the strain effect on silicene heterojunctions. It is found that valley- and spin-dependent separation of electrons cannot be achieved by the electric field only. When a strain and an…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 Yuan Li , H. B. Zhu , G. Q. Wang , Y. Z. Peng , J. R. Xu , Z. H. Qian , R. Bai , G. H. Zhou , C. Yesilyurt , Z. B. Siu , M. B. A. Jalil

We introduce and study a minimum two-orbital Hubbard model on a triangular lattice, which captures the key features of both the trilayer ABC-stacked graphene-boron nitride heterostructure and twisted transition metal dichalcogenides in a…

Strongly Correlated Electrons · Physics 2019-07-17 Constantin Schrade , Liang Fu

Here, we explore the role of inherent altermagnetic topology in transverse transport phenomena (such as crystal/anomalous Hall, Nernst, and thermal Hall effects) in several famous altermagnets, including tetragonal…

Materials Science · Physics 2025-12-11 Xiuxian Yang , Xiaodong Zhou , Jingming Shi , Shifeng Qian , Xiaotian Wang , Wenhong Wang , Yinwei Li

We theoretically investigate spin-valley-locked tunneling transport in a transition-metal dichalcogenide/ferromagnetic-insulator heterostructure under a perpendicular magnetic field, driven by the spin Seebeck effect. We demonstrate that…

Mesoscale and Nanoscale Physics · Physics 2026-02-09 Xin Hu , Yuya Ominato , Mamoru Matsuo

We study the spin-transfer torque and magnetoresistance of a ferromagnet$\mid$superconductor$\mid$ferromagnet spin-valve, allowing for an arbitrary magnetization misorientation and treating both s-wave and d-wave symmetries of the…

Superconductivity · Physics 2015-05-13 J. Linder , T. Yokoyama , A. Sudbø

The evolution of the physical properties of two-dimensional material from monolayer limit to the bulk reveals unique consequences from dimension confinement and provides a distinct tuning knob for applications. Monolayer 1T'-phase…

We report the results of magnetoresistance measurements in vertical organic spin valves with the magnetic field oriented perpendicular to the layer stack. The magnetoresistance measurements were performed after carefully preparing either…

Materials Science · Physics 2015-06-15 M. Grünewald , R. Göckeritz , N. Homonnay , F. Würthner , L. W. Molenkamp , G. Schmidt

The theory of inter-spin-subband electric dipole spin resonance in transition metal dichalcogenide heterobilayers is proposed. Our symmetry analysis demonstrates that, in contrast to monolayers, the reduced symmetry of heterobilayers…

Mesoscale and Nanoscale Physics · Physics 2026-05-21 K. K. Grigoryan , M. M. Glazov

We study possible superconducting states in transition metal dichalcogenide (TMD) monolayers, assuming an on-site pairing potential that includes both intra- and inter-orbital terms. We find that if the mirror symmetry with respect to the…

Superconductivity · Physics 2021-09-24 Gilad Margalit , Erez Berg , Yuval Oreg

Two-dimensional transition metal dichalcogenides entwine interaction, spin-orbit coupling, and topology. Hole-doped systems lack spin degeneracy: states are indexed with spin and valley specificity. This unique structure offers new…

Superconductivity · Physics 2017-06-27 Evan Sosenko , Junhua Zhang , Vivek Aji

Generating a pure spin current using electrons, which have degrees of freedom beyond spin, such as electric charge and valley index, presents challenges. In response, we propose a novel mechanism based on intervalley exciton dynamics in…

Mesoscale and Nanoscale Physics · Physics 2024-05-08 A. Shubnic , V. Shahnazaryan , I. A. Shelykh , H. Rostami

We study spin-dependent electron transport through a ferromagnetic-antiferromagnetic-normal metal tunneling junction subject to a voltage or temperature bias, in the absence of spin-orbit coupling. We derive microscopic formulas for various…

Mesoscale and Nanoscale Physics · Physics 2018-09-11 Kei Yamamoto , Olena Gomonay , Jairo Sinova , Georg Schwiete

Spin and valley are two fundamental properties of electrons in crystals. The similarity between them is well understood in valley-contrasting physics established decades ago in two-dimensional (2D) materials like graphene--with broken…

Mesoscale and Nanoscale Physics · Physics 2024-09-19 Haoran Xue , Yong Ge , Zheyu Cheng , Yi-jun Guan , Jiaojiao Zhu , Hong-yu Zou , Shou-qi Yuan , Shengyuan A. Yang , Hong-xiang Sun , Yidong Chong , Baile Zhang

Cross-plane thermal conductivity in homogeneous transition metal dichalcogenides (TMDs) exhibits a strong dependence on twist angle, originating from atomic reconstruction within moir\'e superlattices. This reconstruction redistributes…

Materials Science · Physics 2025-05-02 Wenwu Jiang , Ting Liang , Hekai Bu , Jianbin Xu , Wengen Ouyang

We present a theoretical study of spin transport in a superconducting mesoscopic spin valve under the action of a magnetic field misaligned with respect to the injected spin. We demonstrate that superconductivity can either strongly enhance…

Superconductivity · Physics 2015-02-09 M. Silaev , P. Virtanen , T. T. Heikkilä , F. S. Bergeret

Exploring an upper limit of magnetic anisotropy in two-dimensional materials, such as graphene and transition metal dichalcogenides, is at the heart of spintronics research. Herein, an atomic-scale perpendicular magnetic anisotropy up to an…

Materials Science · Physics 2016-08-10 Dorj Odkhuu

A systematic investigation of spin transport properties in silicon at 8 K by using a non-local geometry is presented. The spin injection signal in the non-local scheme is found to increase in proportion to the evolution of bias electric…

The spin and valley polarizations and plasmonics in Van der Waals heterostructures of strained graphene monolayer on 2D transition metal dichalcogenide (GrTMD) substrate are reported in this communication. The substrate induced interactions…

Mesoscale and Nanoscale Physics · Physics 2017-09-05 Partha Goswami