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Related papers: Spin diffusion in p-type bilayer WSe$_2$

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New phases of matter can be stabilized by a combination of diverging electronic density of states, strong interactions, and spin-orbit coupling. Recent experiments in magic-angle twisted bilayer graphene (TBG) have uncovered a wealth of…

Current-driven magnetization dynamics of single ferromagnets in heavy metal/ferromagnet bilayers has been recently realized. In this work, spin torque induced by so-called Rashba spin-orbit coupling and spin Hall effect are considered…

Mesoscale and Nanoscale Physics · Physics 2012-04-24 Aurelien Manchon

Voltages generated from inverse spin Hall and anisotropic magneto-resistance effects via spin pumping in ferromagnetic (F)/non-magnetic (N) bilayers are investigated by means of a broadband ferromagnetic resonance approach. Varying the…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Vincent Vlaminck , John E. Pearson , Sam D. Bader , Axel Hoffmann

In this letter, we investigated the Rashba effect of the CsPbBr$_3$ bilayers under the external electric field (EEF), with the first-principles calculations. For the PbBr$_2$ terminated bilayer, we found that only electrons experience the…

Materials Science · Physics 2018-07-04 Xue-Jiao Chen , Lei Liu , De-Zhen Shen

The development of spintronics and spin-caloritronics devices need efficient generation, detection and manipulation of spin current. The thermal spin current from spin-Seebeck effect has been reported to be more energy efficient than the…

Mesoscale and Nanoscale Physics · Physics 2018-02-02 Ravindra G Bhardwaj , Paul C Lou , Sandeep Kumar

The Rashba spin-orbit coupling arising from structure inversion asymmetry couples spin and momentum degrees of freedom providing a suitable (and very intensively investigated) environment for spintronic effects and devices. Here we show…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 Goetz Seibold , Sergio Caprara , Marco Grilli , Roberto Raimondi

Understanding the overall features of magnetic excitation is essential for clarifying the mechanism of Cooper pair formation in iron-based superconductors. In particular, clarifying the relationship between magnetism and superconductivity…

Superconductivity · Physics 2016-09-13 K. Horigane , K. Kihou , K. Fujita , R. Kajimoto , K. Ikeuchi , S. Ji , J. Akimitsu , C. H. Lee

Heterobilayers consisting of MoSe$_2$ and WSe$_2$ monolayers can host optically bright interlayer excitons with intriguing properties such as ultralong lifetimes and pronounced circular polarization of their photoluminescence due to valley…

Mesoscale and Nanoscale Physics · Physics 2022-05-09 D. S. Smirnov , J. Holler , M. Kempf , J. Zipfel , P. Nagler , M. V. Ballottin , A. A. Mitioglu , A. Chernikov , P. C. M. Christianen , C. Schüller , T. Korn

We utilize the kinetic spin Bloch equation approach to investigate the steady-state spin diffusion in $n$-type (111) GaAs quantum wells, where the in-plane components of the Dresselhaus spin-orbit coupling term and the Rashba term can be…

Mesoscale and Nanoscale Physics · Physics 2011-08-16 B. Y. Sun , K. Shen

An inverse spin Hall effect (ISHE) in n-type silicon was observed experimentally when conduction electrons were scattered on the spin-orbit potential of bismuth. The spin current in the silicon layer was generated by excitation of the…

Mesoscale and Nanoscale Physics · Physics 2020-05-27 A. A. Ezhevskii , D. V. Guseinov , A. V. Soukhorukov , A. V. Novikov , D. V. Yurasov , N. S. Gusev

Magnetic insulators are promising materials for the development of energy-efficient spintronics. Unlike metallic counterparts, the magnetic insulators are characterized by imaginary part of the interfacial spin mixing conductance as well in…

Mesoscale and Nanoscale Physics · Physics 2020-11-24 Kuntal Roy

We investigate the spin diffusion and transport in a graphene monolayer on SiO$_2$ substrate by means of the microscopic kinetic spin Bloch equation approach. The substrate causes a strong Rashba spin-orbit coupling field $\sim 0.15$ meV,…

Mesoscale and Nanoscale Physics · Physics 2011-07-07 P. Zhang , M. W. Wu

We consider the magnetic response of a two-dimensional electron gas (2DEG) with both Rashba and Dresselhaus spin-orbit coupling to a microwave excitation. We generalize the results of [A. Shnirman and I. Martin, Europhys. Lett. 78, 27001…

Mesoscale and Nanoscale Physics · Physics 2009-01-22 Mikhail Pletyukhov , Alexander Shnirman

We propose an analytic model to study intrinsic spin polarization effect in a ballistic Rashba bar with two semi-infinite leads. The wave functions expanded with plane waves in Rashba bar are required to satisfy boundary conditions at both…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 J. Yao , Z. Yang

We present theoretical studies of the influence of spin orbit coupling on the spin wave excitations of the Fe monolayer and bilayer on the W(110) surface. The Dzyaloshinskii-Moriya interaction is active in such films, by virtue of the…

Mesoscale and Nanoscale Physics · Physics 2010-10-19 A. T. Costa , R. B. Muniz , S. Lounis , A. B. Klautau , D. L. Mills

A nonequilibrium Green's function approach is employed to investigate the spin-Hall effect in diffusive two-dimensional electron systems with Rashba spin-orbit interaction. Considering a long-range electron-impurity scattering potential in…

Materials Science · Physics 2009-11-11 S. Y. Liu , X. L. Lei

The recent epitaxial growth of 1T-phase of PtSe2 monolayer (ML) has opened a possibility for its novel applications, in particular for spintronics device. However, in contrast to 2H-phase of transition-metal dichalcogenides (TMDs), the…

Strongly Correlated Electrons · Physics 2018-06-01 Moh. Adhib Ulil Absor , Iman Santosa , Harsojo , Kamsul Abraha , Hiroki Kotaka , Fumiyuki Ishii , Mineo Saito

We consider Rashba spin-orbit effects on spin transport driven by an electric field in semiconductor quantum wells. We derive spin diffusion equations that are valid when the mean free path and the Rashba spin-orbit interaction vary on…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Arne Brataas , A. G. Mal'shukov , Yaroslav Tserkovnyak

We derive boundary conditions for the coupled spin-charge diffusion equations at a transmitting interface between two-dimensional electron systems with different strengths of the Rashba spin-orbit (SO) coupling $\alpha$, and an electric…

Materials Science · Physics 2009-11-11 Yaroslav Tserkovnyak , Bertrand I. Halperin , Alexey A. Kovalev , Arne Brataas

We study Shubnikov-de Haas oscillations in a p-type WSe$_2$ monolayer under very high magnetic field. The oscillation pattern is complex due to a large spin and valley splitting, in the non-fully-resolved Landau level regime. Our…

Mesoscale and Nanoscale Physics · Physics 2020-10-07 Banan Kerdi , Mathieu Pierre , Robin Cours , Bénédicte Warot-Fonrose , Michel Goiran , Walter Escoffier