Pulsed-laser-deposited epitaxial Sr2FeMoO6-y thin films: Positive and negative magnetoresistance regimes

Publication Type:

Journal Article


Applied Physics Letters, American Institute of Physics Inc., Woodbury, Volume 74, Number 24, p.3696-3698 (1999)


Epitaxial thin films were grown of the ordered double perovskite Sr2FeMoO6-y on SrTiO3(001) by pulsed laser deposition. Specific physical states of the deposited films which occur exhibit either a large positive or a negative magnetoresistance. This double perovskite structure is capable of supporting a multitude of magnetic and transport properties, depending upon the ordering and defects in the Fe and Mo sublattices, vacancies on the alkaline earth sublattices, and the oxygen.


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