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Related papers: Spin Pumping in Magnetostrictive Galfenol Interfac…

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Strain-mediated magnetoelectric (ME) heterostructures enable electric-field control of magnetism and are promising for ultra-low-power spintronic logic. Yet achieving spatially selective, low-voltage control in thin films and quantifying ME…

We examine room-temperature magnetic relaxation in polycrystalline Fe films. Out-of-plane ferromagnetic resonance (FMR) measurements reveal Gilbert damping parameters of $\approx$ 0.0024 for Fe films with thicknesses of 4-25 nm, regardless…

Materials potentially hosting Kitaev spin-liquid states are considered crucial for realizing topological quantum computing. However, the intricate nature of spin interactions within these materials complicates the precise measurement of…

Laser induced modulation of the magnetization dynamics occurring over various time-scales have been unified here for a Ni80Fe20 thin film excited by amplified femtosecond laser pulses. The weak correlation between demagnetization time and…

Mesoscale and Nanoscale Physics · Physics 2018-12-21 Sucheta Mondal , Anjan Barman

Magnetoelastic anisotropy and <100> texture are crucial for promoting magnetostriction in Galfenol (Fe-Ga). Given that single-crystal Fe-Ga remains technically demanding and low magnetostriction of polycrystal, we explore melt-spun as an…

Materials Science · Physics 2026-05-25 Likun Chen , Mitsutaka Sato , Jiahao Han , Rie Y. Umetsu

Compensated ferrimagnets are promising materials for fast spintronic applications based on domain wall motion as they combine the favourable properties of ferromagnets and antiferromagnets. They inherit from antiferromagnets immunity to…

We develop an extended pump-probe Faraday rotation technique to study the submicrosecond electron spin dynamics with picosecond time resolution in a wide range of magnetic fields. The electron spin dephasing time $T_2^*$ and the…

Mesoscale and Nanoscale Physics · Physics 2017-09-01 V. V. Belykh , E. Evers , D. R. Yakovlev , F. Fobbe , A. Greilich , M. Bayer

The nature of the magnetic ground state of highly frustrated systems remained puzzling to this day. Here, we have performed multifrequency electron spin resonance (ESR) measurements on a putative quantum spin liquid compound…

In spintronics applications, ultrafast spin dynamics have to be controlled at femtosecond (fs) timescales via fs-laser radiation. At such ultrafast timescales, the effect of the Gilbert damping factor {\alpha} on ultrafast demagnetization…

Materials Science · Physics 2019-10-02 Wei Zhang , Qian Liu , Zhe Yuan , Ke Xia , Wei He , Qing-feng Zhan , Xiang-qun Zhang , Zhao-hua Cheng

Neutron elastic scattering measurements have been performed under the hydrostatic pressure in order to investigate the spin structure of the pressure-induced magnetic ordering in the spin gap system TlCuCl$_3$. Below the ordering…

Strongly Correlated Electrons · Physics 2009-11-10 A. Oosawa , M. Fujisawa , T. Osakabe , K. Kakurai , H. Tanaka

Ta films with tetragonal crystalline structure (beta-phase), deposited by magnetron sputtering on different substrates (steel, silicon and silicon dioxide), have been studied. In all cases, very highly preferred (001) orientation was…

Materials Science · Physics 2009-11-10 Aiqin Jiang , Trevor A. Tyson , Lisa Axe , Leszek Gladczuk , Marek Sosnowski , Paul Cote

Controlled spin transport in magnetic stacks is required to realize pure spin current-driven logic and memory devices. The control over the generation and detection of the pure spin current is achieved by tuning the spin to charge…

Mesoscale and Nanoscale Physics · Physics 2023-01-09 Mahammad Tahir , Dhananjay Tiwari , Abhishek Juyal , Rohit Medwal , Soumik Mukhopadhyay

The composition dependence of the structural, magnetic, and transport properties of epitaxially grown Mn-Co-Ga films were investigated. The crystal structure was observed to change from tetragonal to cubic as the Co content was increased.…

We report on electrical transport properties of epitaxial Ba(Fe1-xNix)2As2 thin films grown by pulsed laser deposition in static magnetic fields up to 35 T. The thin film shows a critical temperature of 17.2 K and a critical current density…

The Gilbert damping parameter, which describes magnetization dynamics, is crucial for the performance of modern spintronic devices, affecting factors such as the switching speed and critical current density of magnetoresistive random access…

Materials Science · Physics 2024-09-26 Shi-Bo Zhao , Xiang-Fan Huang , Ze-quan Wang Ruqian Wu , Yusheng Hou

Magnetic insulators are promising materials for the development of energy-efficient spintronics. Unlike metallic counterparts, the magnetic insulators are characterized by imaginary part of the interfacial spin mixing conductance as well in…

Mesoscale and Nanoscale Physics · Physics 2020-11-24 Kuntal Roy

We present theoretical studies of the spin pumping contribution to the ferromagnetic resonance linewidth for various ultrathin film ferromagnetic structures. We consider the isolated film on a substrate, with Fe on Au(100) and Fe on W(110)…

Other Condensed Matter · Physics 2007-05-23 A. T. Costa , R. B. Muniz , D. L. Mills

Dynamical strain generated upon excitation of a metallic film by a femtosecond laser pulse may become a versatile tool enabling control of magnetic state of thin films and nanostructures via inverse magnetostriction on a picosecond time…

Spin current injection from sputtered yttrium iron garnet (YIG) films into an adjacent platinum layer has been investigated by means of the spin pumping and the spin Seebeck effects. Films with a thickness of 83 and 96 nanometers were…

Mesoscale and Nanoscale Physics · Physics 2014-10-23 J. Lustikova , Y. Shiomi , Z. Qiu , T. Kikkawa , R. Iguchi , K. Uchida , E. Saitoh

CaFe2O4 is a highly anisotropic antiferromagnet reported to display two spin arrangements with up-up-down-down (phase A) and up-down-up-down (phase B) configurations. The relative stability of these phases is ruled by the competing…

Materials Science · Physics 2020-09-01 Silvia Damerio , Pavan Nukala , Jean Juraszek , Pim Reith , Hans Hilgenkamp , Beatriz Noheda
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