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Publication
Journal of Applied Physics
Paper
Investigation of granular films composed of interdispersed La 1/3Ca2/3MnO3 particles and metallic Au particles
Abstract
We have carried out a study of composite, granular films made by depositing LCMO (a colossal magnetoresistive perovskite) and pure, metallic Au onto MgO and LaAlO3 substrates. Elevated temperature caused the Au to segregate into small, micron-sized granules. The films were studied by atomic force microscopy, magnetoresistivity, superconducting quantum interference device magnetization measurements, and magnetically modulated microwave absorption. © 1998 American Institute of Physics.