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Demagnetisation effects in Fe3-xMnxSi alloys
Institution:1. Institute for Metals Superplasticity Problems of RAS, Ufa, Russia;2. Amirkhanov Institute of Physics of Dagestan Federal Research Centre of RAS, Makhachkala, Russia;3. High Field Magnet Laboratory, Radboud University, Nijmegen 6525 ED, the Netherlands;4. Laboratoire National des Champs Magnétiques Intenses, CNRS, Univ Grenoble Alpes, Univ Toulouse 3, INSA Toulouse, EMFL, Grenoble, France;5. Institute of Low Temperature and Structure Research of PAS, Wroclaw, Poland;1. Research Institute for Engineering and Technology, Tohoku Gakuin University, Tagajo, 985-8537, Japan;2. Faculty of Engineering, Tohoku Gakuin University, Tagajo, 985-8537, Japan;3. Kurume Institute of Technology, Kurume, 830-0052, Japan;4. Faculty of Science and Technology, Ryukoku University, Otsu, 520-2194, Japan;5. Graduate School of Science and Engineering, Yamagata University, Yonezawa, 992-8510, Japan;6. Faculty of Science, Shinshu University, Matsumoto, 390-8621, Japan
Abstract:Low field de susceptibility measurements have been made on an Fe3-xMnxSi alloy with x = 1.14. The observed and calculated results show a demagnetising effect to be occuring in and around the ferromagnetic regime. This brings into question earlier assertions of spin-glass or micromagnet like properties and the critical exponent estimates for these alloys because they lie within the region of significant demagnetisation.
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