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Title

Temperature dependence of the spin Seebeck effect in [Fe3O4/Pt]n multilayers

AuthorsRamos, R.; Kikkawa, T.; Anadón, A.; Lucas, I.; Uchida, K.; Algarabel, Pedro A. ; Morellón, Luis; Aguirre, Myriam H.; Saitoh, E.; Ibarra, M. Ricardo
Issue Date2017
PublisherAmerican Institute of Physics
CitationAIP Advances 7(5): 055915 (2017)
AbstractWe report temperature dependent measurements of the spin Seebeck effect (SSE) in multilayers formed by repeated growth of a FeO/Pt bilayer junction. The magnitude of the observed enhancement of the SSE, relative to the SSE in the single bilayer, shows a monotonic increase with decreasing the temperature. This result can be understood by an increase of the characteristic length for spin current transport in the system, in qualitative agreement with the recently observed increase in the magnon diffusion length in FeO at lower temperatures. Our result suggests that the thermoelectric performance of the SSE in multilayer structures can be further improved by careful choice of materials with suitable spin transport properties.
Publisher version (URL)http://dx.doi.org/10.1063/1.4974060
URIhttp://hdl.handle.net/10261/148720
Identifiersdoi: 10.1063/1.4974060
e-issn: 2158-3226
Appears in Collections:(ICMA) Artículos
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