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Related papers: Scaling of the spin Seebeck effect in bulk and thi…

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We have compared aging phenomena in the Fe_{0.5}Mn_{0.5}TiO_3 Ising spin glass and in the CdCr_{1.7}In_{0.3}S_4 Heisenberg-like spin glass by means of low-frequency ac susceptibility measurements. At constant temperature, aging obeys the…

Disordered Systems and Neural Networks · Physics 2009-11-07 V. Dupuis , E. Vincent , J. -P. Bouchaud , J. Hammann , A. Ito , H. Aruga Katori

The principles of the thermoelectric phenomenon, including Seebeck effect, Peltier effect, and Thomson effect are discussed. The dependence of the thermoelectric devices on the figure of merit, Seebeck coefficient, electrical conductivity,…

Materials Science · Physics 2017-06-29 Ibrahim M Abdel-Motaleb , Syed M. Qadri

We perform equilibrium parallel-tempering simulations of the 3D Ising Edwards-Anderson spin glass in a field. A traditional analysis shows no signs of a phase transition. Yet, we encounter dramatic fluctuations in the behaviour of the…

In this work, employing spin-pumping techniques driven by both ferromagnetic resonance (SP-FMR) and longitudinal spin Seebeck effect (LSSE) to manipulate and direct observe orbital currents, we investigated the volume conversion of…

Specific heat of polycrystalline BaTiO3 thin films on the fused quartz substrate was measured by ac-hot probe method. Phase transition temperature, excess entropy and spontaneous polarization were determined as a function of film thickness…

Materials Science · Physics 2007-05-23 B. A. Strukov , S. T. Davitadze , S. G. Shulman , B. M. Goltzman , V. V. Lemanov

Thin superconducting films form a unique platform for geometrically-confined, strongly-interacting electrons. They allow an inherent competition between disorder and superconductivity, which in turn enables the intriguing…

We have studied the longitudinal spin Seebeck effect (LSSE) in the layered ferromagnetic insulators CrSiTe$_3$ and CrGeTe$_3$ covered by Pt films in the measurement configuration where spin current traverses the ferromagnetic Cr layers. The…

Materials Science · Physics 2019-08-19 Naohiro Ito , Takashi Kikkawa , Joseph Barker , Daichi Hirobe , Yuki Shiomi , Eiji Saitoh

The present work investigates the less explored thermoelectric properties of n-type GaN semiconductors by combined both the experimental and computational tools. Seebeck coefficients of epitaxial thin films of GaN were experimentally…

Materials Science · Physics 2021-02-24 Ashish Kumar , Saurabh Singh , Ashutosh Patel , K. Asokan , D. Kanjilal

We investigate the spin Seebeck coefficient $S_s$ in the square lattice Hubbard model at high temperatures of relevance to cold-atom measurements. We solve the model with the finite-temperature Lanczos and with the dynamical mean-field…

Strongly Correlated Electrons · Physics 2022-06-08 Jernej Mravlje , Martin Ulaga , Jure Kokalj

We report the thermoelectric transport properties in the orbital-ordered Mott insulating phase of Ca$_2$RuO$_4$ close to and far from equilibrium. Near equilibrium conditions where the temperature gradient is only applied to the sample, an…

Strongly Correlated Electrons · Physics 2017-09-21 Yasuo Nishina , Ryuji Okazaki , Yukio Yasui , Fumihiko Nakamura , Ichiro Terasaki

We show that the resonant coupling of phonons and magnons can be exploited to generate spin currents at room temperature. Surface acoustic wave (SAW) pulses with a frequency of 1.55 GHz and duration of 300 ns provide coherent elastic waves…

Materials Science · Physics 2013-10-30 M. Weiler , H. Huebl , F. S. Goerg , F. D. Czeschka , R. Gross , S. T. B. Goennenwein

We investigate the evolution of spin polarization, spontaneous Hall angle (SHA), saturation magnetization and Curie temperature of $B2$-ordered Fe$_{60}$Al$_{40}$ thin films under varying antisite disorder, induced by Ne$^{+}$-ion…

Coherence peak effects in a superconductor induced by a thermal spin current are reported. We measured inverse spin Hall effects induced by spin injection from a ferrimagnetic insulator Y$_3$Fe$_5$O$_{12}$ into a superconductor NbN using…

Mesoscale and Nanoscale Physics · Physics 2018-06-28 Maki Umeda , Yuki Shiomi , Takashi Kikkawa , Tomohiko Niizeki , Jana Lustikova , Saburo Takahashi , Eiji Saitoh

By molecular dymanics simulations we study the spin Seebeck effect as a function of magnetic field in the prototype classical easy-axis antiferromagnetic chain, in the far-out of equilibrium as well as linear response regime. We find…

Statistical Mechanics · Physics 2023-11-29 X. Zotos

Spin excitations of magnetic thin films are the founding element for novel transport concepts in spintronics, magnonics, and magnetic devices in general. While spin dynamics have been extensively studied in bulk materials, their behaviour…

We have developed a method to probe the temperature of surface state electrons (SSE) above a superfluid Helium-4 surface using the Seebeck effect. In contrast to previously used SSE thermometry, this technique does not require detailed…

Mesoscale and Nanoscale Physics · Physics 2018-12-12 Ethan I. Kleinbaum , Stephen A. Lyon

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…

Thickness uniformity is regarded as an important parameter in designing thin film devices. However, some applications based on films with non-uniform thickness have recently emerged, such as gas sensors and optimized materials based on the…

The scaling of antiferromagnetic ordering temperature of corundum-type chromia films have been investigated. N\'eel temperature $T_N$ was determined from the effect of perpendicular exchange-bias on the magnetization of a weakly-coupled…

Mesoscale and Nanoscale Physics · Physics 2017-01-05 Satya Prakash Pati , Muftah Al-Mahdawi , Shujun Ye , Yohei Shiokawa , Tomohiro Nozaki , Masashi Sahashi

We theoretically explore the generation of spin current driven by a temperature gradient in a junction between a chiral insulator and a normal metal. Based on the gyromagnetic response induced by microscopic acoustic-phonon-mediated lattice…

Mesoscale and Nanoscale Physics · Physics 2025-08-20 Naoki Nishimura , Takumi Funato , Mamoru Matsuo , Takeo Kato