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cond-mat.str-el1999
Phase Transition in Perovskite Manganites with Orbital Degree of Freedom
S. Okamoto, S. Ishihara, S. Maekawa
Roles of orbital degree of freedom of Mn ions in phase transition as a function of temperature and hole concentration in perovskite manganites are studied. It is shown that the orb…
cond-mat.str-el1999
Orbital Degree of Freedom and Phase Separation in Ferromagnetic Manganites at Finite Temperatures
S. Okamoto, S. Ishihara, S. Maekawa
The spin and orbital phase diagram for perovskite manganites are investigated as a function of temperature and hole concentration. The superexchange and double exchange interaction…