Study of magnetic phases in mechanically alloyed Fe50Zn50 powder |
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| Authors: | A Grabias M P?ka?a D Oleszak M Kowalczyk |
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| Institution: | 1. Institute of Electronic Materials Technology, Wólczyńska 133, 01-919 Warsaw, Poland;2. Chemistry Department, Warsaw University, Al. ?wirki i Wigury 101, 02-089 Warsaw, Poland;3. Faculty of Materials Science and Engineering, Warsaw University of Technology, Wo?oska 141, 02-507 Warsaw, Poland |
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| Abstract: | The mechanosynthesis of Fe50Zn50 alloy resulted in the formation of the bcc Fe(Zn) solid solution after 20 h of milling. Structural transformations induced by mechanical alloying and heating, and magnetic properties of the powders were studied by Mössbauer spectroscopy, X-ray diffraction, Faraday balance and vibrating sample magnetometry techniques. All alloys studied exhibit strong magnetic ordering with Curie temperatures close to 900 K. Room temperature Mössbauer measurements revealed distinguished magnetic environments in the samples. The decrease of coercivity with prolonged milling time was attributed to the reduction or averaging of local magnetic anisotropies. |
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| Keywords: | Nanostructured material Mechanical alloying Magnetic measurement Mö ssbauer spectroscopy |
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