Low-temperature transport properties of non-stoichiometric La0.95-xSrxMnO3 manganites
2001
The low-temperature specific heat and electrical resistivity of the polycrystalline non-stoichiometric manganites La0.95-xSrxMnO3 have been investigated in the doping region x = 0.00-0.30. The specific heat has terms proportional to T and T3. The resistivity of the samples decreases as T1/2 with increasing temperature, goes through a minimum and then increases proportionally to T3. The temperature Tmin , corresponding to the minimum of the resistivity, shifts with Sr content as Tmin ~x-2/5.
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