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  • 1 Tokyo Metropolitan University Department of Chemistry, Faculty of Science Fukasawa, Setagaya-ku 158 Tokyo Japan
  • | 2 The Institute of Physical and Chemical Research /RIKEN/ Hirosawa, Wako-shi 351-01 Saitama Japan
  • | 3 The University of Electro-Communications Chofu-shi 182 Tokyo Japan
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99Ru and57Fe-Mössbauer spectroscopic and magnetization measurements were made in order to clarify the magnetic properties of a Huesler alloy, RuFe2Si. The result obtained from99Ru-Mössbauer spectrum leads to the conclusion that Ru atoms were substituted by both Fe[A, C] and Fe[B], but the latter preferentially.