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Related papers: Enhanced DC Spin Pumping into a Fluctuating Ferrom…

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Spin pumping effect is a sensitive and well-established experimental method in two-dimensional (2D) magnetic materials. We propose that spin pumping effect can be a valuable probe for non-Fermi liquid (NFL) behaviors at the 2D interface of…

Strongly Correlated Electrons · Physics 2025-03-19 Xiao-Tian Zhang , Yi-Hui Xing , Xu-Ping Yao , Yuya Ominato , Long Zhang , Mamoru Matsuo

We study the magnetization dynamics in thin ferromagnetic films and small ferromagnetic particles in contact with paramagnetic conductors. A moving magnetization vector causes \textquotedblleft pumping\textquotedblright of spins into…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Yaroslav Tserkovnyak , Arne Brataas , Gerrit E. W. Bauer

The magnetic behaviour of ultrathin ferromagnetic films deposited on substrates is strongly affected by the properties of the substrate. We investigate the spin pumping rate, interlayer exchange coupling and dynamic exchange coupling…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 D. L. R. Santos , P. Venezuela , R. B. Muniz , A. T. Costa

We consider s=1/2 spins in the presence of a constant magnetic field in z-direction and an AC magnetic field in the x-z plane. A nonzero DC magnetization component in y direction is a result of broken symmetries. A pairwise interaction…

Quantum Physics · Physics 2009-11-07 S. Flach , A. E. Miroshnichenko , A. A. Ovchinnikov

We consider theoretically a current flowing perpendicular to interfaces of a spin-valve type ferromagnetic metallic junction. For the first time an effective approach is investigated to calculate a simultaneous action of the two current…

Materials Science · Physics 2009-11-11 R. J. Elliott , E. M. Epshtein , Yu. V. Gulyaev , P. E. Zilberman

The spin valve effect for the superconducting current based on the superconductor/ferromagnet proximity effect has been studied for a CoO_x/Fe1/Cu/Fe2/Cu/Pb multilayer. The magnitude of the effect $\Delta T_c$ = T_c^{AP} - T_c^{P}, where…

Motivated by recent experiments [P. Vaidya {\em et al.}, Science {\bf 368}, 160 (2020)] on spin pumping from sub-THz radiation-driven uniaxial antiferromagnetic insulator (AFI) MnF$_2$ into heavy metal (HM) Pt hosting strong spin-orbit (SO)…

Mesoscale and Nanoscale Physics · Physics 2022-04-29 Kapildeb Dolui , Abhin Suresh , Branislav K. Nikolic

Graphene is a very promising material in spintronics due to both its high electric mobility and low intrinsic spin-obit coupling. Electronic spins can be injected from a ferromagnetic material through a tunnel contact into graphene owing to…

Mesoscale and Nanoscale Physics · Physics 2022-06-08 Bin Yang , Winfried Teizer

In ferromagnet/normal metal heterostructures, spin pumping and spin-transfer torques are two reciprocal processes that occur concomitantly. Their interplay introduces a dynamic feedback effect interconnecting energy dissipation channels of…

Mesoscale and Nanoscale Physics · Physics 2016-08-25 Ran Cheng , Jian-Gang Zhu , Di Xiao

An ultrafast spin current can be induced by femtosecond laser excitation in a ferromagnetic (FM) thin film in contact with a nonmagnetic (NM) metal. The propagation of an ultrafast spin current into NM metal has recently been found in…

Mesoscale and Nanoscale Physics · Physics 2021-12-15 Wen-Tian Lu , Zhe Yuan

Due to its low intrinsic damping, Y$_3$Fe$_5$O$_{12}$ and its substituted variations are often used for ferromagnetic layer at spin pumping experiment. Spin pumping is an interfacial spin current generation in the interface of ferromagnet…

Mesoscale and Nanoscale Physics · Physics 2022-04-04 Adam B. Cahaya , Anugrah Azhar , Dede Djuhana , Muhammad Aziz Majidi

In recent years, electrical spin injection and detection has grown into a lively area of research in the field of spintronics. Spin injection into a paramagnetic material is usually achieved by means of a ferromagnetic source, whereas the…

Mesoscale and Nanoscale Physics · Physics 2009-12-01 Sergio O. Valenzuela

The dc voltage obtained from the inverse spin Hall effect (iSHE) due to spin pumping in ferromagnet/normal-metal (NM) bilayers can be unintentionally superimposed with magnetoresistive rectification of ac charge currents in the…

Mesoscale and Nanoscale Physics · Physics 2014-12-08 Mathias Weiler , Justin M. Shaw , Hans T. Nembach , Thomas J. Silva

Unlike the parent phases of the iron-arsenide high Tc superconductors, undoped FeSe is not magnetically ordered and exhibits superconductivity with Tc~9K. Equally surprising is the fact that applied pressure dramatically enhances the modest…

Superconductivity · Physics 2009-05-05 T. Imai , K. Ahilan , F. L. Ning , T. M. McQueen , R. J. Cava

Antiferromagnets are promising candidates as active components in spintronic applications. They share features with ferrimagnets in that opposing spin orientations exist in two or more sublattices. Spin transfer torque and spin pumping are…

Mesoscale and Nanoscale Physics · Physics 2024-09-24 Hans Gløckner Giil , Arne Brataas

We discuss the properties of a strongly interacting spin-charge separated one dimensional system coupled to ferromagnets and/or superconductors. Our results are valid for arbitrary temperatures with respect to the spin energy, but require…

Strongly Correlated Electrons · Physics 2009-03-19 Dagim Tilahun , Gregory A. Fiete

A combination of novel technological and fundamental physics prospects has sparked a huge interest in pure spin transport in magnets, starting with ferromagnets and spreading to antiferro- and ferrimagnets. We present a theoretical study of…

Mesoscale and Nanoscale Physics · Physics 2017-11-08 Akashdeep Kamra , Wolfgang Belzig

Spin transfer torque and spin pumping are central reciprocal phenomena in spintronics. These phenomena occur in hybrid systems of normal metals and magnets. Spin transfer is the conversion of spin currents in metals to a torque on the…

Mesoscale and Nanoscale Physics · Physics 2022-08-17 Arne Brataas

Ferromagnetic resonance (FMR) driven spin pumping is an emerging technique for injection of a pure spin current from a ferromagnet (FM) into a non-magnetic (NM) material without an accompanying charge current. It is widely believed that…

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