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Title: Colossal magnetoresistance properties of La0.83Sr0.17MnO3 thin films grown by MOCVD on Lucalox substrate
Authors: Žurauskienė, Nerija
Balevičius, Saulius
Cimmperman, Petras
Stankevič, Voitech
Keršulis, Skirmantas
Novickij, Jurij
Abrutis, Adulfas
Plaušinaitienė, Valentina
Keywords: Colossal magnetoresistance
Manganites
Polycrystalline films
Issue Date: 2010
Publisher: Springer
Citation: Žurauskienė, N.; Balevičius, S.; Cimmperman, P.; Stankevič, V.; Keršulis, S.; Novickij, J.; Abrutis, A.; Plaušinaitienė, V. 2010. Colossal magnetoresistance properties of La0.83Sr0.17MnO3 thin films grown by MOCVD on Lucalox substrate 159(1-2): 64-67. doi 10.1007/s10909-009-0073-y.
Abstract: The magnetoresistance (MR) of polycrystalline La0.83Sr0.17MnO3 thin films have been studied in high pulsed magnetic fields up to 38 T in the temperature range 100–300 K. The lucalox substrates were used to obtain polycrystalline structures with naturally formed grain boundaries (GBs) and crystallites whose dimensions were determined by film deposition temperature. It was found that the MR value is highest in the films having smallest crystallites. The main behaviour of high-field MR was analysed using modified Mott’s hopping model assuming that the GBs might be ferromagnetic with a Curie temperature T C being reduced in comparison with that of the crystallites interior.
URI: http://dspace1.vgtu.lt/handle/1/121
ISSN: 0022-2291
Appears in Collections:Moksliniai straipsniai / Research articles

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