Specific heat and magnetocaloric effect in Pr1-xAgxMnO3 manganites

Details Specific heat and magnetocaloric effect in Pr1-xAgxMnO3 manganites Specific heat and magnetocaloric effect in Pr1-xAgxMnO3 manganites

2010-10-19

arxiv.org/abs/1010.3869v1

JETP Letters, 2010, Vol. 91, No. 7, pp. 341-343

Physics

Condensed Matter

Materials Science

4 pages, 4 figures

Scientific paper

10.1134/S0021364010070039

The magnetocaloric effect in alternating magnetic fields has been investigated in Pr1-xAgxMnO3 manganites with x=0.05-0.25. The stepwise reversal of the sign of the magnetocaloric effect has been revealed in a weakly doped sample (x=0.05) at low temperatures (~80 K). This reversal is attributed to the coexistence of the ferromagnetic and canted antiferromagnetic phases with different critical temperatures.

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