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Effect of Fe substitution on magnetocaloric effect in La0.7Sr0.3Mn1-xFexO3 (x = 0 to 0.2)
C. Krishnamoorthi, S. K. Barik, R. Mahendiran
We have studied the effect of Fe substitution on magnetic and magnetocaloric properties in La0.7Sr0.3Mn1-xFexO3 (x = 0.05, 0.07, 0.10, 0.15, and 0.20) over a wide temperature range…
Electric field-induced colossal electroresistance and its relaxation in multiferroic La2NiMnO6
A. Rebello, R. Mahendiran
In this work, we report direct as well as pulsed electric field-induced resistivity switching and its relaxation in a multiferroic insulator La2NiMnO6. At a fixed base temperature…
Negative differential resistance and pulsed current induced multi-level resistivity switching in charge ordered and disordered manganites
A. Rebello, R. Mahendiran
We have investigated direct and pulsed current induced electroresistance in two manganites with different electronic and magnetic ground states: charge-orbital ordered 50 % Ca dope…
Large positive magnetocaloric effect in a perovskite manganite
R. Mahendiran, B. G. Ueland, P. Schiffer +6
We investigate the magnetothermodynamic properties of the perovskite manganite Pr0.46Sr0.54MnO3. Our data imply that the paramagnetic to antiferromagnetic transition at TN = 210 K…
Giant frequency dependence of dynamic freezing in nanocrystalline ferromagnetic LaCo0.5Mn0.5O3
R. Mahendiran, Y. Breard, M. Hervieu +2
We have investigated the magnetic properties of nanocrystalline LaCo0.5Mn0.5O3. The temperature dependence of the imaginary part of the a.c. susceptibility shows a strongly frequen…
Relaxor ferromagnetic behavior below the antiferromagnetic transition in La0.5Ca0.5MnO3
R. Mahendiran, A. Maignan, C. Martin +2
A detailed reinvestigation of magnetization in La0.5Ca0.5MnO3 reveals that although a field of H = 7 T applied at T = 5 K after zero field cooling is insufficient to convert the lo…