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A Phenomenological Description of the Sequence of Phase Transitions in Intermetallics

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

A phenomenological model of the sequence of phase transitions in RCo2 intermetallics (R = Gd, Tb, Nd, Ho, Er, Sm), constructed by means of catastrophe theory, is proposed. The temperature dependence of an anomalous part of the heat capacity and field dependences of magnetization near the temperature of a phase transition are calculated within the scope of this model. A comparison shows a satisfactory qualitative fit with experimental data.

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Authors and Affiliations

  1. Moscow State University, 119991, Moscow, Russia

    S. V. Pavlov

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  1. S. V. Pavlov
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Correspondence to S. V. Pavlov.

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Translated by A. Bannov

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Pavlov, S.V. A Phenomenological Description of the Sequence of Phase Transitions in Intermetallics. Bull. Russ. Acad. Sci. Phys. 83, 1526–1528 (2019). https://doi.org/10.3103/S1062873819120190

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  • DOI: https://doi.org/10.3103/S1062873819120190

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