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Nonlinear behavior of V-I curves at low temperatures in nanoparticles of La<inf>2/3</inf>B<inf>1/3</inf>MnO<inf>3</inf> with B = Ca, Sr
ArticleAbstract: We measure voltage-current curves at low temperature in La2/3B1/3MnO3 samples (B=Ca,Sr). The powderPalabras claves:Electrical resistivity, Grain boundaries, TunnelingAutores:Caneiro A., Dario Niebieskikwiat, Hueso L.E., Lamas D.G., López-Quintela M.A., Rivadulla F., Rivas J., Sánchez R.D.Fuentes:scopusSpin-polarized tunneling in nanostructured La<inf>2/3</inf>Sr<inf>1/3</inf>MnO<inf>3</inf>
ArticleAbstract: We present magnetic and transport properties of nanocrystalline La2/3Sr1/3MnO3 powders prepared by aPalabras claves:Low-field magnetoresistance, Nanostructured materials, Spin-polarized tunnelingAutores:Alascio B., Caneiro A., Dario Niebieskikwiat, García D., Lamas D.G., Sánchez R.D.Fuentes:scopus