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Multiferroic BiFe 1−x Cr x O 3 (x=0.025, 0.05, 0.075, and 0.1) is prepared by the hydrothermal method. Samples are systematically characterized by X-ray diffraction, Rietveld refinement, SEM, dielectric and magnetic measurements. It is found that the lattice parameters, the morphology and the size of the obtained particles strongly depend on the Cr doping level. The...
Nanocrystalline La 0.7 Sr 0.3 MnO 3 films are fabricated on Si(100) substrates by sol-gel method. The annealing temperature dependence of grain size, film morphology and transport properties is investigated. The films with less texture exhibit a large magnetoresistance that is both low-field sensitive and relatively temperature independent over a wide temperature...
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