A Phenomenological Description of the Sequence of Phase Transitions in Intermetallics

A Phenomenological Description of the Sequence of Phase Transitions in Intermetallics

A phenomenological model of the sequence of phase transitions in RCo 2 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 temperatur...

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Veröffentlicht in:Bulletin of the Russian Academy of Sciences. Physics 2019-12, Vol.83 (12), p.1526-1528
1. Verfasser: Pavlov, S. V.
Format: Artikel
Sprache:eng
Schlagworte:
Catastrophe theory
Gadolinium
Hadrons
Heavy Ions
Intermetallic compounds
Nuclear Physics
Phase transitions
Physics
Physics and Astronomy
Qualitative analysis
Temperature dependence
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Zusammenfassung:A phenomenological model of the sequence of phase transitions in RCo 2 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.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873819120190