Effect of ex situ Post-annealing Treatments on Sr2FeMoO6 Thin Films
: Metsanoja M, Majumdar S, Huhtinen H, Paturi P
Publisher: SPRINGER
: 2012
: Journal of Superconductivity and Novel Magnetism
: JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
: J SUPERCOND NOV MAGN
: 4
: 25
: 4
: 829
: 833
: 5
: 1557-1939
DOI: https://doi.org/10.1007/s10948-011-1355-6
: https://research.utu.fi/converis/portal/detail/Publication/1790962
Magnetoresistive Sr2FeMoO6 thin films were grown by pulsed laser deposition at optimized deposition atmosphere and temperature. Films were then ex situ post-annealed in different atmospheres and by vacuum annealing at temperatures between 500 A degrees C and 1100 A degrees C. Ar and air annealed samples were destroyed by ex situ post-annealing treatment, due to formation and dominance of SrMoO4 impurity phase. X-ray diffraction showed no impurities and full texturation of vacuum and ArH2 (5%) annealed samples. Those samples showed also similar magnetic and magnetoresistive behavior like as-deposited sample. Neither magnetic, magnetotransport nor structural properties could be improved by ex situ post-annealing treatments.
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