Magnetic phase diagram of a random mixture of Jahn-Teller ions |
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Authors: | F. Matsubara K. Katsumata |
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Affiliation: | Department of Engineering Science, Tohoku University, Sendai 980, Japan |
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Abstract: | A magnetic model of a random mixture containing Jahn-Teller ions, in which several kinds of exchange interactions between the Jahn-Teller ions and between the Jahn-Teller and non-Jahn-Teller ions are assumed, is proposed and studied by using the distribution function method. It is shown that a spin glass phase occurs when these exchange interactions have different signs. Our model would be applicable to a mixture Rb2CrxMn1-xCl4 in which the spin glass phase has been observed. |
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