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Related papers: Spin valve effect in two-dimensional VSe$_2$ syste…

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A hybrid ferromagnet-superconductor spin valve is proposed. Its operation relies on the interplay between nonequilibrium transport and proximity-induced exchange coupling in superconductors. Huge tunnel magnetoresistance values as large as…

Superconductivity · Physics 2007-05-23 F. Giazotto , F. Taddei , Rosario Fazio , F. Beltram

Vanadium diselenide (VSe2) has intriguing physical properties such as unexpected ferromagnetism at the two-dimensional limit. However, the experimental results for room temperature ferromagnetism are still controversial and depend on the…

Manipulating spin polarization of electrons in nonmagnetic semiconductors by means of electric fields or optical fields is an essential theme of the conceptual nonmagnetic semiconductor-based spintronics. Here we experimentally demonstrate…

Mesoscale and Nanoscale Physics · Physics 2016-03-31 Xie Lu , Xiaodong Cui

Vortices and antivortices are typical non uniform magnetization configurations that can be achieved in spin-torque oscillators with in-plane materials. Dynamics of a vortex-antivortex pair, namely vortex dipole, were predicted and already…

Pattern Formation and Solitons · Physics 2018-07-04 A. Giordano , V. Puliafito , L. Torres , M. Carpentieri , B. Azzerboni , G. Finocchio

Competing electronic phases in two-dimensional transition metal dichalcogenides constitute a fertile platform for uncovering emergent ground states and elucidating the control parameters that govern the correlated electron phases. Among…

Other Condensed Matter · Physics 2026-03-05 Ishita Pushkarna , Árpád Pásztor , Greta Lupi , Adolfo O. Fumega , Christoph Renner

A theory of the proximity effects of the exchange splitting in a ferromagnetic metal on a two dimensional electron gas (2DEG) in a semiconductor is presented. The resulting spin-dependent energy and lifetime in the 2DEG create a marked…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. P. McGuire , C. Ciuti , L. J. Sham

The outstanding optoelectronic and valleytronic properties of transition metal dichalcogenides (TMDs) have triggered intense research efforts by the scientific community. An alternative to induce long-range ferromagnetism (FM) in TMDs is by…

We study a triplet spin valve obtained by intercalating a triplet superconductor spacer between two ferromagnetic regions with non-collinear magnetizations. We demonstrate that the magnetoresitance of the triplet spin valve depends on the…

Mesoscale and Nanoscale Physics · Physics 2013-12-02 F. Romeo , R. Citro

Integrating semiconducting and magnetic materials could combine transistor-like operation with nonvolatility and enable architectures such as logic-in-memory. Here, we employ correlated electrical transport and scanning nitrogen-vacancy…

We analyze magnetic phases of monolayers of transition metal dichalcogenides that are two-valley materials with electron-electron interactions. The exchange inter-valley scattering makes two-valley systems less stable to the spin…

Strongly Correlated Electrons · Physics 2019-07-31 Dmitry Miserev , Jelena Klinovaja , Daniel Loss

Methods to generate spin-polarised electronic states in non-magnetic solids are strongly desired to enable all-electrical manipulation of electron spins for new quantum devices. This is generally accepted to require breaking global…

Altermagnetism generates exchange-type spin splitting without net magnetization and, in its $\it d$-wave form, resembles the angular symmetry of unconventional $\it d$-wave superconductivity. Whether this correspondence bears directly on…

The recent discovery of two-dimensional (2D) van der Waals (vdW) magnetic materials has provided new, unprecedented opportunities for both fundamental science and technological applications. Unlike three-dimensional (3D) magnetic systems,…

Materials Science · Physics 2023-03-13 Manh-Huong Phan

The spin polarization induced by the spin Hall effect (SHE) in thin films typically points out of the plane. This is rooted on the specific symmetries of traditionally studied systems, not in a fundamental constraint. Recently, experiments…

Magnetic properties of the silver vanadium phosphate Ag(2)VOP(2)O(7) are studied by means of magnetic susceptibility measurements and electronic structure calculations. In spite of the layered crystal structure suggesting 1D or 2D magnetic…

Strongly Correlated Electrons · Physics 2008-03-27 Alexander A. Tsirlin , Ramesh Nath , Christoph Geibel , Helge Rosner

Atomically thin vanadium diselenide (VSe2 ) is a two-dimensional transition metal dichalcogenide exhibiting attractive properties due to its metallic 1T-phase. With the recent development of methods to manufacture high-quality monolayer VSe…

Strongly Correlated Electrons · Physics 2021-05-14 Tae Gwan Park , Byoung Ki Choi , Junho Park , Jungdae Kim , Young Jun Chang , Fabian Rotermund

Van der Waals magnets have emerged as a fertile ground for the exploration of highly tunable spin physics and spin-related technology. Two-dimensional (2D) magnons in van der Waals magnets are collective excitation of spins under strong…

We study spin-orbit torques in two dimensional hexagonal crystals such as graphene, silicene, germanene and stanene. The torque possesses two components, a field-like term due to inverse spin galvanic effect and an antidamping torque…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 Hang Li , Xuhui Wang , Aurelien Manchon

We demonstrate the spin valve effect by ballistic transport in fully epitaxial MnAs ferromagnetic metal / GaAs semiconductor / GaAs:MnAs granular hybrid heterostructures. The GaAs:MnAs material contains ferromagnetic MnAs nanoparticles in a…

Materials Science · Physics 2008-06-27 Pham Nam Hai , Yusuke Sakata , Masafumi Yokoyama , Shinobu Ohya , Masaaki Tanaka

2D ferrovalley materials that exhibit spontaneous valley polarization are both fundamentally intriguing and practically appealing to be used in valleytronic devices. Usually, the research on 2D ferrovalley materials is mainly focused on…

Materials Science · Physics 2021-11-24 Rui Peng , Zhonglin He , Qian Wu , Ying Dai , Baibiao Huang , Yandong Ma