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Demonstration of polycrystalline thin film coatings on glass for spin Seebeck energy harvesting
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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 ISSN 1862-6254.
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Official URL: http://dx.doi.org/10.1002/pssr.201600128
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 | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > 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: |
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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 (Creative Commons) |
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