Optimization of YIG/Bi stacks for spin-to-charge conversion and influence of aging
Resumen: We show that an optimized growth of magnetic layer/non-magnetic layer stacks allows for the improvement of the spin-to-charge conversion efficiency. From the analysis of the voltage signal generated in spin pumping experiments due to the inverse spin Hall effect (ISHE) on Y3Fe5O12 (YIG)/Bi stacks, we have determined values for the spin Hall angle and the spin-diffusion length in Bi of 0.0068(8) and 17.8(9) nm, respectively. Based on these results, we have also studied the
influence of aging on the spin-to-charge conversion efficiency by performing spin pumping experiments on YIG/Bi stacks after exposing the samples to ambient conditions for several days and up to 150 days. We have found that in YIG/Bi samples with Bi thicknesses around or below the spin-diffusion length, the ISHE voltage signal is still above 80% of its initial value after 100 days.

Idioma: Inglés
DOI: 10.1088/1361-6463/ac0ca5
Año: 2021
Publicado en: JOURNAL OF PHYSICS D-APPLIED PHYSICS 54, 37 (2021), 375305 [7 pp.]
ISSN: 0022-3727

Factor impacto JCR: 3.409 (2021)
Categ. JCR: PHYSICS, APPLIED rank: 61 / 161 = 0.379 (2021) - Q2 - T2
Factor impacto CITESCORE: 5.7 - Physics and Astronomy (Q1) - Materials Science (Q1)

Factor impacto SCIMAGO: 0.717 - Acoustics and Ultrasonics (Q1) - Surfaces, Coatings and Films (Q1) - Electronic, Optical and Magnetic Materials (Q1)

Financiación: info:eu-repo/grantAgreement/ES/DGA-FSE/E13-20R
Financiación: info:eu-repo/grantAgreement/ES/MEC/FPU014-02546
Financiación: info:eu-repo/grantAgreement/ES/MICINN/MAT2017-82970-C2-1-R
Financiación: info:eu-repo/grantAgreement/ES/MICINN/MAT2017-82970-C2-2-R
Tipo y forma: Article (PostPrint)
Área (Departamento): Área Física Aplicada (Dpto. Física Aplicada)
Área (Departamento): Área Física Materia Condensada (Dpto. Física Materia Condensa.)


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Exportado de SIDERAL (2023-05-18-14:14:54)


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Este artículo se encuentra en las siguientes colecciones:
Articles > Artículos por área > Física de la Materia Condensada
Articles > Artículos por área > Física Aplicada



 Record created 2022-01-11, last modified 2023-05-19


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