English
Related papers

Related papers: Spin Pumping in Magnetostrictive Galfenol Interfac…

200 papers

The spin pumping mechanism and associated interfacial Gilbert damping are demonstrated in ion-beam sputtered Co2FeAl (CFA) /Mo bilayer thin films employing ferromagnetic resonance spectroscopy. The dependence of the net spin current…

Mesoscale and Nanoscale Physics · Physics 2018-02-28 Sajid Husain , Ankit Kumar , Vineet Barwal , Nilamani Behera , Serkan Akansel , Sujeet Chaudhary , Peter Svedlindh

Precessing magnetization in a thin film magnetic insulator pumps spins into adjacent metals; however, this phenomenon is not quantitatively understood. We present a theory for the dependence of spin-pumping on the transverse mode number and…

Mesoscale and Nanoscale Physics · Physics 2013-08-29 André Kapelrud , Arne Brataas

We have deposited polycrystalline Re doped $(Fe_{65}Co_{35})_{100-x}Re_{x}$ (0 $\leq$ x $\leq$ 12.6 at\%) thin films grown under identical conditions and sandwiched between thin layers of Ru in order to study the phenomenon of spin pumping…

We investigated the dependence of the seed [Ta/Pt, Ta/Au] and capping [Pt/Ta, Au/Ta] layers on spin pumping effect in the ferromagnetic 3 nm thick Co thin film using ferromagnetic resonance spectroscopy. The data is fitted with Kittel…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 Braj Bhusan Singh , Sukanta Kumar Jena , Subhankar Bedanta

Among the magnetostrictive alloys the one formed of iron and gallium (called "Galfenol" from its U.S. Office of Naval Research discoverers in the late 90's) is attractive for its low hysteresis, good tensile stress, good machinability and…

The Heusler ferromagnetic (FM) compound Co2FeAl interfaced with a high-spin orbit coupling non-magnetic (NM) layer is a promising candidate for energy efficient spin logic circuits. The circuit potential depends on the strength of angular…

The paper concerns experimental verification of the magnitude of imaginary part of spin mixing conductance in bilayers comprising heavy metals. We present results of broadband ferromagnetic resonance studies on heterostructures consisting…

Mesoscale and Nanoscale Physics · Physics 2020-05-13 Adam Krysztofik , Piotr Graczyk , Hubert Głowiński , Emerson Coy , Karol Załęski , Iwona Gościańska , Janusz Dubowik

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…

3-D topological insulators (TI) with large spin Hall conductivity have emerged as potential candidates for spintronic applications. Here, we report spin to charge conversion in bilayers of amorphous ferromagnet (FM) Fe_{78}Ga_{13}B_{9}…

We show by vector network analyzer ferromagnetic resonance measurements that low Gilbert damping {\alpha} down to 0.006 can be achieved in perpendicularly magnetized MgO/CoFeB/MgO thin films with ultra-thin insertions of Ta in the CoFeB…

Materials Science · Physics 2014-08-14 Maria Patricia Rouelli Sabino , Sze Ter Lim , Michael Tran

The interface-induced magnetization damping of thin ferromagnetic films in contact with normal-metal layers is calculated from first principles for clean and disordered Fe/Au and Co/Cu interfaces. Interference effects arising from coherent…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. Zwierzycki , Y. Tserkovnyak , P. J. Kelly , A. Brataas , G. E. W. Bauer

We report an enhanced magnetoelastic contribution to the Gilbert damping in highly magnetostrictive Fe$_{0.7}$Ga$_{0.3}$ thin films. This effect is mitigated for perpendicular-to-plane fields, leading to a large anisotropy of the Gilbert…

Materials Science · Physics 2021-06-16 William K. Peria , Xinjun Wang , Heshan Yu , Seunghun Lee , Ichiro Takeuchi , Paul A. Crowell

Materials with strong spin orbit coupling (SOC) are essential for realizing spin orbit torque (SOT) based magnetic memory devices. Transition metal dichalcogenides (TMDs) are promising candidates for such appli cations because of their…

We present a thorough study of spin-to-charge current interconversion in bulk and thin films of (0001) {\alpha}-Fe2O3 /Pt heterostructures by means of all-optical polarization-controlled microwave excitation at sub-Terahertz frequencies.…

Mesoscale and Nanoscale Physics · Physics 2025-12-19 Gregory Fritjofson , Atul Regmi , Jacob Hanson-Flores , Justin Michel , Junyu Tang , Fengyuan Yang , Ran Cheng , Enrique Del Barco

We investigated the spin pumping damping contributed by paramagnetic layers (Pd, Pt) in both direct and indirect contact with ferromagnetic Ni$_{81}$Fe$_{19}$ films. We find a nearly linear dependence of the interface-related Gilbert…

Mesoscale and Nanoscale Physics · Physics 2016-07-19 M. Caminale , A. Ghosh , S. Auffret , U. Ebels , K. Ollefs , F. Wilhelm , A. Rogalev , W. E. Bailey

Utilizing the spin-induced pumping from a ferromagnet (FM) into a heavy metal (HM) under the ferromagnetic resonance (FMR) condition, we report an enhancement in effective damping in $\beta$- W/Py bilayers by systematically varying…

Mesoscale and Nanoscale Physics · Physics 2023-08-08 Soumik Aon , Sayani Pal , Subhadip Manna , Chiranjib Mitra , Partha Mitra

We report measurement of a spin pumping effect due to fluctuations of the magnetic order of IrMn thin films. A precessing NiFe ferromagnet injected spins into IrMn spin sinks, and enhanced damping was observed around the IrMn magnetic phase…

Spin pumping has significant implications for spintronics, providing a mechanism to manipulate and transport spins for information processing. Understanding and harnessing spin currents through spin pumping is critical for the development…

The ferromagnetic resonance of thin sputtered Ni80Fe20 films grown on Nb is measured. By varying the temperature and thickness of the Nb the role of the superconductivity on the whole ferromagnetic layer in these heterostructures is…

Superconductivity · Physics 2009-11-13 C. Bell , S. Milikisyants , M. Huber , J. Aarts

Magnetic Weyl semimetals are an emerging material class that combines magnetic order and a topologically non-trivial band structure. Here, we study ultrafast optically driven spin injection from thin films of the magnetic Weyl semimetals…

‹ Prev 1 2 3 10 Next ›