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Reentrant Paramagnetic‐AFM Paramagnetic Phase Transitions in La 2 CuO 4 Theory
Author(s) -
Hudák O.
Publication year - 1989
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.2221550126
Subject(s) - paramagnetism , condensed matter physics , spins , reentrancy , materials science , atomic force microscopy , phase transition , magnetic moment , physics , nanotechnology
Abstract Statistical thermodynamic mean‐field theory for 3d AFM ordering in La 2 CuO 4‐δ is presented. Conditions for its existence, reentrant phenomena, effective reduction of magnetic moments, density temperature dependence of magnetic singlets, and isolated 1/2‐spins are the main theoretical results. Their correspondence with experimental results is discussed.