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Spin–Phonon Excitations in Paramagnetic Crystals. Heat Transfer at High Temperatures
Author(s) -
Kokshenev V. B.
Publication year - 1985
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221320206
Subject(s) - paramagnetism , condensed matter physics , thermal conduction , phonon , crystal (programming language) , debye model , ion , spin (aerodynamics) , materials science , debye , thermal , chemistry , physics , thermodynamics , organic chemistry , computer science , composite material , programming language
An analysis is made of high‐temperature thermal conduction (above the Debye temperature) of a paramagnetic crystal in the conditions of exciting coupled spin–phonon modes. It is shown that the rearrangement of crystal spectra connected with these excitations changes drastically the character of heat carriers that may lead to considerable anomalies in the temperature behaviour of thermal conduction of a crystal formed by paramagnetic ions.