Unconventional scaling and significant enhancement of the spin Seebeck effect in multilayers

Ramos, R. ; Kikkawa, T. ; Aguirre, M.H. (Universidad de Zaragoza) ; Lucas, I. (Universidad de Zaragoza) ; Anadón, A. (Universidad de Zaragoza) ; Oyake, T. ; Uchida, K. ; Adachi, H. ; Shiomi, J. ; Algarabel, P.A. (Universidad de Zaragoza) ; Morellón, L. (Universidad de Zaragoza) ; Maekawa, S. ; Saitoh, E. ; Ibarra, M.R. (Universidad de Zaragoza)
Unconventional scaling and significant enhancement of the spin Seebeck effect in multilayers
Resumen: Spin Seebeck effects (SSEs) have been investigated in highly crystalline magnetic multilayer Fe3O4/Pt]n films. Voltage as well as power generated by the SSE were found to be significantly enhanced with increasing the number of layers n. This voltage enhancement defies the simple understanding of the SSE and suggests that spin current flowing between the magnetic layers in the thickness direction plays an important role in multilayer SSE systems and the observed voltage enhancement.
Idioma: Inglés
DOI: 10.1103/PhysRevB.92.220407
Año: 2015
Publicado en: Physical Review B 92, 22 (2015), 220407(R)[5 pp]
ISSN: 1098-0121

Factor impacto JCR: 3.718 (2015)
Categ. JCR: PHYSICS, CONDENSED MATTER rank: 16 / 67 = 0.239 (2015) - Q1 - T1
Factor impacto SCIMAGO: 2.377 - Electronic, Optical and Magnetic Materials (Q1) - Condensed Matter Physics (Q1)

Financiación: info:eu-repo/grantAgreement/ES/DGA/E26-304043
Financiación: info:eu-repo/grantAgreement/ES/MINECO/MAT2011-27553-C02
Financiación: info:eu-repo/grantAgreement/ES/MINECO/PRI-PIBJP-2011-0794
Tipo y forma: Article (Published version)
Área (Departamento): Área Física Materia Condensada (Dpto. Física Materia Condensa.)

Rights Reserved All rights reserved by journal editor


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