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Moya X, Hueso LE, Maccherozzi F, et al. Giant and reversible extrinsic magnetocaloric effects in La0.7Ca0.3MnO3 films due to strain. Nat Mater. 2012;12(1):52-8doi: 10.1038/nmat3463.
Moya, X., Hueso, L. E., Maccherozzi, F., Tovstolytkin, A. I., Podyalovskii, D. I., Ducati, C., Phillips, L. C., Ghidini, M., Hovorka, O., Berger, A., Vickers, M. E., Defay, E., Dhesi, S. S., & Mathur, N. D. (2013). Giant and reversible extrinsic magnetocaloric effects in La0.7Ca0.3MnO3 films due to strain. Nature materials, 12(1), 52-8. https://doi.org/10.1038/nmat3463
Moya, X, et al. "Giant and reversible extrinsic magnetocaloric effects in La0.7Ca0.3MnO3 films due to strain." Nature materials vol. 12,1 (2013): 52-8. doi: https://doi.org/10.1038/nmat3463
Moya X, Hueso LE, Maccherozzi F, Tovstolytkin AI, Podyalovskii DI, Ducati C, Phillips LC, Ghidini M, Hovorka O, Berger A, Vickers ME, Defay E, Dhesi SS, Mathur ND. Giant and reversible extrinsic magnetocaloric effects in La0.7Ca0.3MnO3 films due to strain. Nat Mater. 2013 Jan;12(1):52-8. doi: 10.1038/nmat3463. Epub 2012 Oct 28. PMID: 23104152.
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Nat Mater. 2013 Jan;12(1):52-8. doi: 10.1038/nmat3463. Epub 2012 Oct 28.

Giant and reversible extrinsic magnetocaloric effects in La0.7Ca0.3MnO3 films due to strain.

Nature materials

X Moya, L E Hueso, F Maccherozzi, A I Tovstolytkin, D I Podyalovskii, C Ducati, L C Phillips, M Ghidini, O Hovorka, A Berger, M E Vickers, E Defay, S S Dhesi, N D Mathur

Affiliations

  1. Department of Materials Science, University of Cambridge, Cambridge, CB2 3QZ, UK.

PMID: 23104152 DOI: 10.1038/nmat3463

Abstract

Large thermal changes driven by a magnetic field have been proposed for environmentally friendly energy-efficient refrigeration, but only a few materials that suffer hysteresis show these giant magnetocaloric effects. Here we create giant and reversible extrinsic magnetocaloric effects in epitaxial films of the ferromagnetic manganite La(0.7)Ca(0.3)MnO(3) using strain-mediated feedback from BaTiO(3) substrates near a first-order structural phase transition. Our findings should inspire the discovery of giant magnetocaloric effects in a wide range of magnetic materials, and the parallel development of nanostructured bulk samples for practical applications.

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