ACTA

Influence of Sr Content on CMR Effect in Polycrystalline La_1-xSr_xMnO₃ Thin Films

N. Žurauskienė^a,b, S. Balevičius^a,b, V. Stankevič^a,b, J. Paršeliūnas^a, S. Keršulis^a, A. Abrutis^c and V. Plaušinaitienė^a,c
^aSemiconductor Physics Institute, A. Goštauto 11, Vilnius, Lithuania,
^bVilnius Gediminas Technical University, Saulėtekio 11, Vilnius, Lithuania,
^cVilnius University, Dep. of Chemistry, Naugarduko 24, Vilnius, Lithuania

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The magnetoresistance of thin polycrystalline La_1-xSr_xMnO₃ films deposited on lucalox substrate using metal organic chemical vapor deposition technique was investigated in pulsed magnetic fields up to 18 T in the temperature range 100-320 K. The influence of film preparation conditions, ambient temperature variation and Sr content is analyzed in order to determine the optimal conditions for the design of CMR-B-scalar magnetic field sensor based on thin manganite film, operating at room temperature.

DOI: 10.12693/APhysPolA.115.1136
PACS numbers: 75.47.Gk, 75.47.Lx, 75.30.Hx, 85.70.Kh