English
Related papers

Related papers: Efficient spin transport in a paramagnetic insulat…

200 papers

Using Y3Fe5O12 (YIG) thin films grown by our sputtering technique, we study dynamic spin transport in nonmagnetic (NM), ferromagnetic (FM) and antiferromagnetic (AF) materials by ferromagnetic resonance (FMR) spin pumping. From both inverse…

Materials Science · Physics 2015-06-23 Chunhui Du , Hailong Wang , P. Chris Hammel , Fengyuan Yang

The low power manipulation of magnetization is currently a highly sought-after objective in spintronics. Non ferromagnetic large spin-orbit coupling heavy metal (NM) / ferromagnet (FM) heterostructures offer interesting elements of response…

A ferromagnetic insulator (FI) attached to a conventional superconductor (S) changes drastically the properties of the latter. Specifically, the exchange field at the FI/S interface leads to a splitting of the superconducting density of…

Superconductivity · Physics 2020-09-21 Tero T Heikkilä , Mikhail Silaev , Pauli Virtanen , F. Sebastian Bergeret

We present measurements of ferromagnetic-resonance - driven spin pumping and inverse spin-Hall effect in NbN/Y3Fe5O12 (YIG) bilayers. A clear enhancement of the (effective) Gilbert damping constant of the thin-film YIG was observed due to…

We show that spin-orbit coupling at the interface between a superconducting film of the finite lateral size and the underlying ferromagnetic insulator with in-plane exchange field gives rise to a series of non-reciprocal effects provided…

Superconductivity · Physics 2023-12-21 A. V. Putilov , S. V. Mironov , A. I. Buzdin

In this paper, the spin transfer between two ferromagnetic insulators is studied. There is a narrow gap between the ferromagnetic insulators so that they are weakly interacting with each other. One of the ferromagnetic insulators is moving…

Mesoscale and Nanoscale Physics · Physics 2023-12-25 Daigo Oue , Matsuo Mamoru

Ga2O3 thin films were deposited by reactive magnetron sputtering from a liquid gallium target. The influence of deposition temperature, substrate type, and discharge parameters on the structural and electrical properties was systematically…

Materials Science · Physics 2026-05-01 Petr Novak , Jan Koloros , Stanislav Haviar , Jiri Rezek , Pavel Baroch

Electrical control of spin signals and long distance spin transport are major requirements in the field of spin electronics. Here we report the efficient guiding of spin currents at room temperature in high mobility hexagonal boron nitride…

Mesoscale and Nanoscale Physics · Physics 2016-07-19 Josep Ingla-Aynés , Rick J. Meijerink , Bart J. van Wees

Superfluid spin transport $-$ dissipationless transport of spin $-$ is theoretically studied in a ferromagnetic insulator with easy-plane anisotropy. We consider an open geometry where spin current is injected into the ferromagnet from one…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 So Takei , Yaroslav Tserkovnyak

Technological applications of many-body structures that emerge in gated devices under minimal control are largely unexplored. Here we show how emergent Wigner crystals in a semiconductor quantum wire can facilitate a pivotal requirement for…

Strongly Correlated Electrons · Physics 2015-11-26 Bobby Antonio , Abolfazl Bayat , Sanjeev Kumar , Michael Pepper , Sougato Bose

We present the results of measurements of the thermal conductivity $\kappa$ of the spin S=1 chain compound AgVP_2S_6 in the temperature range between 2 and 300 K and with the heat flow directed either along or perpendicular to the chain…

Strongly Correlated Electrons · Physics 2009-11-10 A. V. Sologubenko , S. M. Kazakov , H. R. Ott , T. Asano , Y. Ajiro

For prospective spintronics devices based on the propagation of pure spin currents, antiferromagnets are an interesting class of materials that potentially entail a number of advantages as compared to ferromagnets. Here, we present a…

The thermal conductivity of the Spin-Peierls (SP) compound CuGeO_3 was measured in magnetic fields up to 16 T. Above the SP transition, the heat transport due to spin excitations causes a peak at around 22 K, while below the transition the…

Strongly Correlated Electrons · Physics 2009-10-31 Yoichi Ando , J. Takeya , D. L. Sisson , S. G. Doettinger , I. Tanaka , R. S. Feigelson , A. Kapitulnik

Longitudinal spin Seebeck effect has been investigated for an uniaxial antiferromagnetic insulator Cr2O3, characterized by a spin-flop transition under magnetic field along the c-axis. We have found that temperature gradient applied normal…

Strongly Correlated Electrons · Physics 2016-01-06 S. Seki , T. Ideue , M. Kubota , Y. Kozuka , R. Takagi , M. Nakamura , Y. Kaneko , M. Kawasaki , Y. Tokura

We studied the transient behavior of the spin current generated by the longitudinal spin Seebeck effect (LSSE) in a set of platinum-coated yttrium iron garnet (YIG) films of different thicknesses. The LSSE was induced by means of pulsed…

We study the problem of heat transport in one-dimensional (1D) spin-chain systems weakly coupled to three-dimensional phonons and impurities. We consider the limit of fast spin excitations and slow phonons, applicable to a number of…

Strongly Correlated Electrons · Physics 2009-11-10 A. L. Chernyshev , A. V. Rozhkov

Effectively tuning magnetic state by using current is essential for novel spintronic devices. Magnetic van der Waals (vdW) materials have shown superior properties for the applications of magnetic information storage based on the efficient…

Materials Science · Physics 2025-09-30 Shaohua Yan , Shangjie Tian , Yang Fu , Fanyu Meng , Zhiteng Li , Hechang Lei , Shouguo Wang , Xiao Zhang

We report two non-degenerate magnon modes with opposite spins or chiralities in collinearly antiferromagnetic insulators driven by symmetry-governed anisotropic exchange couplings. The consequent giant spin splitting contributes to spin…

Mesoscale and Nanoscale Physics · Physics 2023-07-20 Qirui Cui , Bowen Zeng , Tao Yu , Hongxin Yang , Ping Cui

The damping of spin waves parametrically excited in the magnetic insulator Yttrium Iron Garnet (YIG) is controlled by a dc current passed through an adjacent normal-metal film. The experiment is performed on a macroscopically sized…

While various excitonic insulators have been studied in the literature, due to the perceived too-small spin splitting, spin-triplet excitonic insulator is rare. In two-dimensional systems such as a graphone, however, it is possible, as…

Materials Science · Physics 2020-04-29 Zeyu Jiang , Wenkai Lou , Yu Liu , Yuanchang Li , Haifeng Song , Kai Chang , Wenhui Duan , Shengbai Zhang