High-pressure studies of Kondo-like perovskite (La0.1Ce0.4Sr0.5)MnO3

Eto, T ; Oomi, G ; Honda, F ; Sundaresan, A (2001) High-pressure studies of Kondo-like perovskite (La0.1Ce0.4Sr0.5)MnO3 Journal of Magnetism and Magnetic Materials, 226-23 . pp. 879-881. ISSN 0304-8853

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Official URL: http://doi.org/10.1016/S0304-8853(00)01285-3

Related URL: http://dx.doi.org/10.1016/S0304-8853(00)01285-3


The influence of hydrostatic pressure on electrical resistance of a perovskite manganese oxide (La0.1, Ce0.4 Sr 0.5)MnO3 has been investigated under pressures up to 1.8 GPa in the temperature range of 77-320 K. With application of pressure, Curie temperature (Tc) increases at a rate of dTc/dp = + 1.9 K/GPa. It is also found that the coefficient of -log T term originated from Kondo-like effect decreases with increasing pressure and the resistance maximum temperature (Tmax) shifts largely to lower temperature at a rate of dTmax/dp = -86K/GPa.

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