English
Related papers

Related papers: Spin Seebeck Effect in Normal-Metal--Chiral-Insula…

200 papers

We performed measurements of Py/Cu and Py/Ag lateral spin valves as function of injection current direction and magnitude. Above a 'critical' current, there is an unexpected dependence of spin injection on current direction. Positive…

Mesoscale and Nanoscale Physics · Physics 2018-11-16 Mikhail Erekhinsky , Fèlix Casanova , Ivan K. Schuller , Amos Sharoni

The longitudinal spin Seebeck effect (LSSE) has been investigated in high-quality epitaxial CoFe2O4 (CFO) thin films. The thermally excited spin currents in the CFO films are electrically detected in adjacent Pt layers due to the inverse…

Materials Science · Physics 2016-02-17 Er-Jia Guo , Andreas Herklotz , Andreas Kehlberger , Joel Cramer , Gerhard Jakob , Mathias Klaeui

We investigate the thermal conductivity of the classical Heisenberg spin chain coupled to a variety of phonon systems using a Green-Kubo approach as well as coupling to heat reservoirs. The decay of energy current correlations is power law…

Statistical Mechanics · Physics 2009-11-11 A. V. Savin , G. P. Tsironis , X. Zotos

Central focus of spintronics is concentrated on generation of pure spin current and associated spin torque. Pure spin current can be generated by spin Hall effect in heavy metals by passing charge current. By spin Seebeck effect pure spin…

Mesoscale and Nanoscale Physics · Physics 2018-11-16 Arnab Bose , Swapnil Bhuktare , Hanuman Singh , Venu Gopal Achanta , Ashwin Tulapurkar

Magnetic monopoles, elusive in high-energy physics, have been realised as emergent quasiparticles in solid-state systems, where their unique properties hold promise for novel spintronic applications. Magnetic monopoles have been invoked in…

We investigate both theoretically and experimentally a gigantic enhancement of the spin Seebeck effect in a prototypical magnet LaY$_2$Fe$_5$O$_{12}$ at low temperatures. Our theoretical analysis sheds light on the important role of…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Hiroto Adachi , Ken-ichi Uchida , Eiji Saitoh , Jun-ichiro Ohe , Saburo Takahashi , Sadamichi Maekawa

A central open question in chiral-induced spin selectivity (CISS) is whether weak electron-phonon coupling in a helical molecular junction can generate a sizable spin polarization in two-terminal transport without invoking additional strong…

Mesoscale and Nanoscale Physics · Physics 2026-05-19 Vipul Upadhyay , Amikam Levy

A collective excitation of the spin structure in a magnetic insulator can transmit spin-angular momentum with negligible dissipation. This quantum of a spin wave, introduced more than nine decades ago, has always been manipulated through…

We study the spin-Seebeck effect in a strongly interacting, two-component Fermi gas and propose an experiment to measure this effect by relatively displacing spin up and spin down atomic clouds in a trap using spin-dependent temperature…

Quantum Gases · Physics 2012-08-10 C. H. Wong , H. T. C. Stoof , R. A. Duine

The magnitude of spin accumulation created in semiconductors by electrical injection of spin-polarized electrons from a ferromagnetic tunnel contact is investigated, focusing on how the spin signal detected in a Hanle measurement varies…

Mesoscale and Nanoscale Physics · Physics 2012-11-20 S. Sharma , A. Spiesser , S. P. Dash , S. Iba , S. Watanabe , B. J. van Wees , H. Saito , S. Yuasa , R. Jansen

We investigate numerically the magnetisation dynamics of an array of nano-disks interacting through the magneto-dipolar coupling. In the presence of a temperature gradient, the chain reaches a non-equilibrium steady state where energy and…

Statistical Mechanics · Physics 2015-03-03 Simone Borlenghi , Stefano Iubini , Stefano Lepri , Jonathan Chico , Lars Bergqvist , Anna Delin , Jonas Fransson

The thermal transport across metal-insulator interface can be characterized by electron-phonon interaction through which an electron lead is coupled to a phonon lead if phonon-phonon coupling at the interface is very weak. We investigate…

Materials Science · Physics 2013-10-17 Lifa Zhang , Jing-Tao Lü , Jian-Sheng Wang , Baowen Li

The spin-Seebeck effect was recently discovered in a metallic ferromagnet and consists of a thermally generated spin distribution that is electrically measured utilizing the inverse spin Hall effect. Here this effect is reproduced…

Materials Science · Physics 2010-10-27 C. M. Jaworski , J. Yang , S. Mack , D. D. Awschalom , J. P. Heremans , R. C. Myers

Equal-spin Cooper pairs are pivotal building blocks for superconducting spintronics devices. In recent experiments, unusual behavior was observed in ferromagnet/ferromagnet/superconductor devices when a precession of the magnetization was…

Superconductivity · Physics 2023-01-19 X. Montiel , M. Eschrig

The spin-phonon interaction is the dominant process for spin relaxation in Si, and as thermal transport in Si is dominated by phonons, one would expect spin polarization to influence Si's thermal conductivity. Here we report the…

Mesoscale and Nanoscale Physics · Physics 2018-09-07 Paul Lou , Laura de Sousa Oliveira , Chi Tang , Alex Greaney , Sandeep Kumar

Spin injection and detection in silicon is a difficult problem, in part because the weak spin-orbit coupling and indirect gap preclude using standard optical techniques. We propose two ways to overcome this difficulty, and illustrate their…

Other Condensed Matter · Physics 2015-06-24 Igor Zutic , Jaroslav Fabian , Steven C. Erwin

We report the observation of longitudinal spin Seebeck effects (LSSE) in an all-oxide bilayer system comprising an IrO$_2$ film and an Y$_3$Fe$_5$O$_{12}$ film. Spin currents generated by a temperature gradient across the…

Materials Science · Physics 2016-08-04 Z. Qiu , D. Hou , K. Uchida , E. Saitoh

When charge current passes through a normal metal that exhibits spin Hall effect, spin accumulates at the edge of the sample in the transverse direction. We predict that this spin accumulation, or spin voltage, enables quantum tunneling of…

Mesoscale and Nanoscale Physics · Physics 2016-09-21 Wei Chen , Manfred Sigrist , Dirk Manske

We investigate the nonequilibrium transport properties of a silicene armchair nanoribbon with a random distribution of adsorbed atoms in apex positions. A ferromagnetic insulator grown below the nanoribbon splits spin-up and spin-down…

Mesoscale and Nanoscale Physics · Physics 2017-07-10 C. Núñez , P. A. Orellana , L. Rosales , R. A. Römer , F. Domínguez-Adame

Spin-dependent transport through an interacting single-level quantum dot coupled to ferromagnetic leads with non-collinear magnetizations is analyzed theoretically. The transport properties and average spin of the dot are investigated…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 W. Rudzinski , J. Barnas , R. Swirkowicz , M. Wilczynski
‹ Prev 1 8 9 10 Next ›