Thermoelectric performance of spin Seebeck effect in Fe3O4/Pt-based thin film heterostructures

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ID: 113108
2016
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Abstract
We report a systematic study on the thermoelectric performance of spin Seebeck devices based on Fe3O4/Pt junction systems. We explore two types of device geometries: a spin Hall thermopile and spin Seebeck multilayer structures. The spin Hall thermopile increases the sensitivity of the spin Seebeck effect, while the increase in the sample internal resistance has a detrimental effect on the output power. We found that the spin Seebeck multilayers can overcome this limitation since the multilayers exhibit the enhancement of the thermoelectric voltage and the reduction of the internal resistance simultaneously, therefore resulting in significant power enhancement. This result demonstrates that the multilayer structures are useful for improving the thermoelectric performance of the spin Seebeck effect.
Reference Key
ibarra2016aplthermoelectric Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Rafael Ramos,A. Anadón,I. Lucas,Ken-Ichi Uchida,P. A. Algarabel,L Morellon,Myriam Haydée Aguirre,Eiji Saitoh,M. R. Ibarra;Rafael Ramos;A. Anadón;I. Lucas;Ken-Ichi Uchida;P. A. Algarabel;L Morellon;Myriam Haydée Aguirre;Eiji Saitoh;M. R. Ibarra;
Journal apl materials
Year 2016
DOI
10.1063/1.4950994
URL
https://sciprofiles.com/publication/view/5bfc480d4ab769b6495755736102f592
Keywords
oxides minerals thin films transition metals heterostructures ferromagnetism thermoelectric effects magnons thermopile ionospheric physics

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