Effect of Al substitution on the magnetic properties of amorphous Fe73.5Cu1Mo3Si13.5?xAlxB9 alloy |
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| Institution: | 1. Materials Science Centre, Department of Nuclear Physics, University of Madras, Guindy Campus, Chennai 600 025, India;2. Department of Materials Engineering, Indian Institute of Science, Bangalore 560 012, India |
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| Abstract: | We have synthesized FINEMET type amorphous Fe73.5Cu1Mo3Si13.5?xAlxB9 alloy by the single wheel melt spinning technique. The effect of Al substitution on the magnetic properties has been studied using a vibrating sample magnetometer, SQUID and Mössbauer spectroscopy. Magnetization and Curie temperature of the amorphous phase of the alloys were found to decrease with Al concentration. The results are attributed to the dilution effect of Al on the magnetic moment of Fe and to the increase in Fe–Fe interaction distance resulting in the weakening of exchange interaction. |
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