Enhancement of low field magnetoresistance at room temperature in La$_{0.67}$Sr$_{0.33}$MnO$_{3}$/Al$_{2}$O$_{3}$ nanocomposite

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dc.creatorMukhopadhyay, Soumik
dc.creatorDas, I.
dc.date2005-04-19
dc.date.accessioned2026-07-07T03:04:48Z
dc.date.available2026-07-07T03:04:48Z
dc.descriptionMagnetotransport properties in a nanocrystalline La$_{0.67}$Sr$_{0.33}$MnO$_{3}$/micron sized Al$_{2}$O$_{3}$ granular composite with different concentrations of Al$_{2}$O$_{3}$ have been studied. The resistivity curves in absence of magnetic field and the various transport mechanisms which might account for the upturn in resistivity at low temperature, has been discussed. Enhancement of low field magnetoresistance at room temperature with the introduction of Al$_{2}$O$_{3}$ has been observed.
dc.description11 pages, 6 figures, Revtex
dc.identifierhttps://arxiv.org/abs/cond-mat/0504469
dc.identifierhttp://arxiv.org/abs/cond-mat/0504469
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/26222
dc.subjectMaterials Science
dc.subjectMesoscale and Nanoscale Physics
dc.titleEnhancement of low field magnetoresistance at room temperature in La$_{0.67}$Sr$_{0.33}$MnO$_{3}$/Al$_{2}$O$_{3}$ nanocomposite
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