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We investigate the relation between thermal spin-transfer torque (TSTT) and the spin-dependent Seebeck effect (SDSE), which produces a spin current when a temperature gradient is applied across a metallic ferromagnet, in nanopillar metallic…

Mesoscale and Nanoscale Physics · Physics 2014-10-21 J. Flipse , F. K. Dejene , B. J. van Wees

Lateral thermal gradient of an yttrium iron garnet (YIG) film under the microwave application in the cavity of the electron spin resonance system (ESR) was measured at room temperature by fabricating a Cu/Sb thermocouple onto it. To date,…

Materials Science · Physics 2018-10-24 Ei Shigematsu , Yuichiro Ando , Sergey Dushenko , Teruya Shinjo , Masashi Shiraishi

Combined experimental and modeling studies of the magnetocaloric effect, ultrasound, and magnetostriction were performed on single-crystal samples of the spin-dimer system Sr$_3$Cr$_2$O$_8$ in large magnetic fields, to probe the…

In recent years, orbitronic effects have attracted growing attention as complementary counterparts to the well-established spintronic phenomena. In this work, we demonstrate that monolayers of transition metal dichalcogenides provide an…

Mesoscale and Nanoscale Physics · Physics 2026-05-12 Saikat Saha , Arnab Bose , Sayantika Bhowal

The performance of low temperature detectors utilizing thermal effects is determined by their energy relaxation properties. Usually, heat transport experiments in mesoscopic structures are carried out in the steady-state, where temperature…

Mesoscale and Nanoscale Physics · Physics 2020-08-11 L. B. Wang , D. S. Golubev , Y. M. Galperin , J. P. Pekola

We present measurements of the electrical resistivity, $\rho$, in epitaxial Cr films of different thicknesses grown on MgO (100) substrates, as a function of temperature, $T$. The $\rho(T)$ curves display hysteretic behavior in certain…

Materials Science · Physics 2012-12-07 E. Osquiguil , E. E. Kaul , L. Tosi , C. A. Balseiro

We consider Bose-Einstein condensation of an ideal bose gas with an equal mixture of `Rashba' and `Dresselhaus' spin-orbit interactions and study its effect on the critical temperature. In uniform bose gas a `cusp' and a sharp drop in the…

Quantum Gases · Physics 2015-11-11 Arunesh Roy , Sayak Ray , S. Sinha

The Rashba and Dresselhaus spin-orbit interactions are both shown to yield the low temperature spin-Hall effect for strongly localized electrons coupled to phonons. A frequency-dependent electric field ${\bf E}(\omega)$ generates a…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 O. Entin-Wohlman , A. Aharony , Y. M. Galperin , V. I. Kozub , V. Vinokur

We present the first quantum molecular dynamics calculation of zero-pressure isobar of solid and liquid uranium that account for spin-orbit coupling. We demonstrate that inclusion of spin-orbit interaction leads to higher degree of the…

Materials Science · Physics 2020-05-13 D. V. Minakov , M. A. Paramonov , P. R. Levashov

Strontium titanate (SrTiO$_3$) two-dimensional electron gases (2DEGs) have broken spatial inversion symmetry and possess a finite Rashba spin-orbit coupling. This enables the interconversion of charge and spin currents through the direct…

Mesoscale and Nanoscale Physics · Physics 2023-10-06 Gabriel Lazrak , Börge Göbel , Agnès Barthélémy , Ingrid Mertig , Annika Johansson , Manuel Bibes

Recent experimental work on Au thin films demonstrated signs of charge current-induced spin polarization through open circuit voltage measurements. In this study, we are investigating the underlying mechanism(s) that induces this measured…

Mesoscale and Nanoscale Physics · Physics 2020-03-10 Christos Tengeris

The interplay of electric charge, spin, and orbital polarizations, coherently driven by picosecond long oscillations of light fields in spin-orbit coupled systems, is the foundation of emerging terahertz spintronics and orbitronics. The…

We predict "intrinsic" spin relaxation times ($T_{1}$) of graphite due to spin-orbit-phonon interaction, i.e., the combination of spin-orbit coupling and electron-phonon interaction, using our developed first-principles density-matrix…

Computational Physics · Physics 2024-08-23 Junqing Xu

We investigated the self-induced inverse spin Hall effect in ferromagnets. Temperature (T), thickness (t) and angular-dependent measurements of transverse voltage in spin pumping experiments were performed with permalloy films. Results…

Mesoscale and Nanoscale Physics · Physics 2019-11-07 O. Gladii , L. Frangou , A. Hallal , R. L. Seeger , P. Noel , G. Forestier , S. Auffret , M. Rubio-Roy , P. Warin , L. Vila , S. Wimmer , H. Ebert , S. Gambarelli , M. Chshiev , V. Baltz

We present the results of electron delocalization in thin films of finite thickness at finite tem- parature induced by thickness of the film and temparature. The two dimensional results show temparature induced metal-insulator transition…

Strongly Correlated Electrons · Physics 2014-12-09 R. K. Brojen Singh

We present a first-principles approach for computing the phonon-limited $T_1$ spin relaxation time due to the Elliot-Yafet mechanism. Our scheme combines fully-relativistic spin-flip electron-phonon interactions with an approach to compute…

Materials Science · Physics 2020-01-22 Jinsoo Park , Jin-Jian Zhou , Marco Bernardi

In Si, spin-phonon interaction is the primary spin relaxation mechanism. At low temperatures, the absence of spin-phonon relaxation will lead to enhanced spin accumulation. Spin accumulation may change the electro-thermal transport within…

Mesoscale and Nanoscale Physics · Physics 2017-09-27 P. C. Lou , W. P. Beyermann , S. Kumar

In this paper, we present the theoretical predication of a thermospin Hall effect, in which a transverse spin current can be generated in semiconductors in the presence of spin-orbit coupling by a frequency-dependent longitudinal…

Mesoscale and Nanoscale Physics · Physics 2008-02-05 Zhongshui Ma

We explore spin-orbit thermal entanglement in rare-earth ions, based on a witness obtained from mean energies. The entanglement temperature $T_{E}$, below which entanglement emerges, is found to be thousands of kelvin above room temperature…

Quantum Physics · Physics 2013-09-09 O. S. Duarte , C. S. Castro , D. O. Soares-Pinto , M. S. Reis

Spin-transfer is a typical spintronics effect that allows a ferromagnetic layer to be switched by spin-injection. Most of the experimental results about spin transfer are described on the basis of the Landau-Lifshitz-Gilbert equation of the…

Materials Science · Physics 2015-06-25 J. -E. Wegrowe , C. Ciornei , H. -J. Drouhin