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Highly aligned, spin polarized thin films of Sr2FeMoO6 by a chemical vapor process

Rager, J; Berenov, AV; Cohen, LF; Branford, WR; Bugoslavsky, YV; Miyoshi, Y; ... MacManus-Driscoll, JL; + view all (2002) Highly aligned, spin polarized thin films of Sr2FeMoO6 by a chemical vapor process. Applied Physics Letters , 81 (26) 5003 - 5005.

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Abstract

Highly oriented films of Sr2FeMoO6 were fabricated by ultrasonic spray pyrolysis. A combined organic/inorganic solution was developed and the films were deposited on single-crystal LaAlO3 between 600degreesC and 900degreesC followed by postannealing at 850degreesC or 1200degreesC in Ar/5% H-2. Optimum films showed. a metallic resistivity behavior with less than a 0.25% magnetoresistive effect at 50 K, 1 T, indicative of highly quality intra- and intergranular material. At 4.2 K, the lower bound saturation magnetization, M-s was similar to2.5 mu(B)/f.u. and the transport spin polarization was 60 +/- 3%.

Type:Article
Title:Highly aligned, spin polarized thin films of Sr2FeMoO6 by a chemical vapor process
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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