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cond-mat.str-el2006★ 50 cited
Magnetic field-dependent dielectric constant in La2/3Ca1/3MnO3
J. Rivas, J. Mira, B. Rivas-Murias +4
We report a rather high dependence of the dielectric permittivity on the magnetic field in La2/3Ca1/3MnO3. The variation is maximum at around 270 K, little above the Curie temperat…
cond-mat.str-el2003
Field-induced magnetic anisotropy in La0.7Sr0.3CoO3
J. Mira, J. Rivas, M. Vazquez +3
Magnetic anisotropy has been measured for the ferromagnetic La0.7Sr0.3CoO3 perovskite from an analysis of the high-field part of the magnetization vs. field curves, i.e., the magne…
cond-mat.str-el2003
Ultrasonic evidence of an uncorrelated cluster formation temperature in manganites with first-order magnetic transition at T_C
J. Mira, J. Rivas, A. Moreno-Gobbi +2
Ultrasonic attenuation and phase velocity measurements have been carried out in the ferromagnetic perovskites La_{2/3}Ca_{1/3}MnO_3 and La_{2/3}Sr_{1/3}MnO_3. Data show that the tr…