Nature of the magnetic phase transition in single-crystal LaMnO3+δ.

Autor: Galetich, I. K., Eremenko, A. V., Pashchenko, V. A., Sirenko, V. A., Brook, V. V.
Předmět:
Zdroj: Low Temperature Physics; Jun2012, Vol. 38 Issue 6, p537-538, 2p
Abstrakt: The isotherms of the field dependences of the magnetic moment M(H) are measured at temperatures above and below the magnetic phase transition (Tc = 125 K) in single-crystal lanthanum manganite with excess oxygen (LaMnO3+δ). An analysis of these magnetic isotherms with Arrott plots and invoking the Banerjee criterion shows that the magnetic phase transition in this single crystal is a second order phase transition. [ABSTRACT FROM AUTHOR]
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