Inverse Spin Hall Effect in nanometer-thick YIG/Pt system
O. d'Allivy Kelly,A. Anane,R. Bernard,J. Ben Youssef,Christian Hahn,A-H. Molpeceres,C. Carrétéro,Eric Jacquet,C. Deranlot,P. Bortolotti,R. Lebourgois,J-C. Mage,G. de Loubens,O. Klein,Vicent Cros,A.R. Fert +15 more
TLDR
Inverse spin Hall effect (ISHE) detection of propagating spin waves using Pt. as discussed by the authors has been shown to correlate well with the increase of the Gilbert damping when decreasing thickness of YIG.Abstract:
High quality nanometer-thick (20 nm, 7 nm and 4 nm) epitaxial YIG films have been grown on GGG substrates using pulsed laser deposition. The Gilbert damping coefficient for the 20 nm thick films is 2.3 x 10-4 which is the lowest value reported for sub-micrometric thick films. We demonstrate Inverse spin Hall effect (ISHE) detection of propagating spin waves using Pt. The amplitude and the lineshape of the ISHE voltage correlate well to the increase of the Gilbert damping when decreasing thickness of YIG. Spin Hall effect based loss-compensation experiments have been conducted but no change in the magnetization dynamics could be detected.read more
Citations
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Structural, Magnetic, and Low-Temperature Electrical Transport Properties of YIG Thin Films with Heavily Reduced Oxygen Contents
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Magnetic Proximity Effect Free Spin Hall Magnetoresistance in YIG∖Pd
O. d'Allivy Kelly,Martin Collet,Eric Jacquet,Richard Mattana,Frédéric Petroff,P. Bortolotti,Vincent Cros,Abdelmadjid Anane,F. Wilhelm,Katharina Ollefs,Andrei Rogalev +10 more
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References
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Journal ArticleDOI
Spin Hall Effect
TL;DR: In this paper, it is proposed that when a charge current circulates in a paramagnetic metal, a transverse spin imbalance will be generated, giving rise to a spin Hall voltage, in the absence of charge current and magnetic field.
Journal ArticleDOI
Conversion of spin current into charge current at room temperature: Inverse spin-Hall effect
TL;DR: In this article, a pure spin current was injected into a Pt thin film using spin pumping, and it was observed to generate electromotive force transverse to the spin current, consistent with the spin-Hall effect.
Spin Hall Effect
TL;DR: In this article, it is proposed that when a charge current circulates in a paramagnetic metal, a transverse spin imbalance will be generated, giving rise to a spin Hall voltage, in the absence of charge current and magnetic field.
Journal ArticleDOI
Transmission of electrical signals by spin-wave interconversion in a magnetic insulator
Y. Kajiwara,Kazuya Harii,Saburo Takahashi,Jun-ichiro Ohe,Ken-ichi Uchida,Masaki Mizuguchi,H. Umezawa,H. Kawai,Kazuya Ando,Kazuya Ando,Koki Takanashi,Sadamichi Maekawa,Eiji Saitoh,Eiji Saitoh,Eiji Saitoh +14 more
TL;DR: It is shown that a spin wave in an insulator can be generated and detected using spin-Hall effects, which enable the direct conversion of an electric signal into aspin wave, and its subsequent transmission through (and recovery from) an insulators over macroscopic distances.
Journal ArticleDOI
Spin transfer torque devices utilizing the giant spin Hall effect of tungsten
TL;DR: Using spin torque induced ferromagnetic resonance with a β-W/CoFeB bilayer microstrip, the spin Hall angle was determined to be |θSHβ-W|=0.30±0.02 as mentioned in this paper.