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Order-disorder transition of vacancies in FeTi₂S₄

Authors:	Shigetoshi Muranaka

Affiliation:	Institute for Chemical Research, Kyoto University Uji, Kyoto-fu, Japan

Abstract:	Vacancy-ordered FeTi₂S₄ was prepared by a prolonged heat treatment. X-ray and magnetic measurements showed the transition of vacancies to the disordered state at about 450°C. The magnetic property was antiferromagnetic, having the Nèel temperature at 138K. The increase of ferromagnetic character was associated with the disordering of vacancies.

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