Journal
CERAMICS INTERNATIONAL
Volume 44, Issue 12, Pages 13695-13698Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2018.04.209
Keywords
Misfit strain; Perovskite film,high-temperature magnetism
Categories
Funding
- National Natural Science Foundations of China [11504161, U1532142]
- Natural Science Foundation of Guangdong Province of China [2015A030310329]
- Science and Technology Research Items of Shenzhen [JCYJ20160308092044016]
- Natural Science Foundation of SZU [827-000198]
- SZU R/D Fund [2016002]
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From the perspectives of scientific researches and practical applications, it is desirable to explore high operating temperature ferromagnetic films. The effect of biaxial strain on magnetic properties of (110)-oriented La0.7Sr0.3MnO3 films was studied. High quality La0.7Sr0.3MnO3 films were grown on (110)-oriented perovskite single crystal substrates using pulsed laser deposition, varying substrate-induced misfit strains from - 2.27-0.75%. A remarkable enhancement of Curie temperature has been achieved for (110)-oriented La0.7Sr0.3MnO3 films clamped with small misfit strains (i.e., grown on LAST (110)). The enhanced Curie temperature of (110)-oriented La(0.7)Sr(0.3)MnO(3 )films could be attributed to the misfit strain between the films and the underlying substrates and may have technological implication for applications at high temperature environments.
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