Caruana, Andrew J., Cropper, Michael D., Zipfel, Jake, Zhou, Zhaoxia, West, Geoffrey D. and Morrison, Kelly (2016) Demonstration of polycrystalline thin film coatings on glass for spin Seebeck energy harvesting. physica status solidi (RRL) - Rapid Research Letters, 10 (8). pp. 613-617. doi:10.1002/pssr.201600128

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Abstract

The spin Seebeck effect, a newly discovered phenomena, has been suggested as a potential ‘game changer’ for thermoelectric technology due to the possibility of separating the electric and thermal conductivities. This is due to a completely different device architecture where, instead of an arrangement of p- and n-type pillars between two ceramic blocks, a thermopile could be deposited directly onto a magnetic film of interest. Here we report on the spin Seebeck effect in polycrystalline Fe3O4:Pt bilayers deposited onto amorphous glass substrates with a view for economically viable energy harvesting. Crucially, these films exhibit large coercive fields (197 Oe) and retain 75% of saturation magnetisation, in conjunction with energy conversion comparable to epitaxially grown films. This demonstrates the potential of this technology for widespread application in harvesting waste heat for electricity.

Item Type:	Journal Article
Divisions:	Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)
Journal or Publication Title:	physica status solidi (RRL) - Rapid Research Letters
Publisher:	Wiley - V C H Verlag GmbH & Co. KGaA
ISSN:	1862-6254
Official Date:	August 2016
Dates:	Date Event August 2016 Published 30 June 2016 Available 24 June 2016 Accepted
Volume:	10
Number:	8
Page Range:	pp. 613-617
DOI:	10.1002/pssr.201600128
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access

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