Physics of the Solid State
Volumes and Issues
Spin Hall angle in iridate/manganite heterostructures
Constantinian K.Y. 1, Ul’ev G.D. 1, Ovsyannikov G.A.1, Shmakov V.A. 1, Shadrin A.V. 1, KislinskiiYu.V. 1
1Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, Moscow, Russia
Email: karen@hitech.cplire.ru

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We present results on experimental determination of spin-Hall angle thetaSH in the SrIrO3/La0.7Sr0.3MnO3 heterostructure with nanometer-thick films. From longitudinal magnetoresistance value of spin-Hall angle was estimated thetaLSH~0.04±0.01, from the transverse thetaTSH~0.35±0.06. Decreasing the temperature from room to T=165 K, the transverse magnetoresistance decreased, and at temperatures T<150 K it was not detected within the measurement error. For comparison, we measured also a single SrIrO3 film which did not demonstrate magnetoresistance. Keywords: spin Hall angle, spin magnetoresistance, spin-orbit interaction, thin-film heterostructure, strontium iridate, manganite. DOI: 10.61011/PSS.2023.07.56432.13H
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