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2008 | 113 | 1 | 55-59
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On the Mechanism of H-Induced Curie-Point Relaxation in Fe-Based Glassy Alloys

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In Fe based glasses not solely the stress-sensitive magnetic properties, but also the amorphous Curie temperature (T_C^{am}) can be altered by hydrogen absorption or due to the low temperature "heat treatments" in liquid N_2 (-196°C). The sign and magnitude of this T_C^{am} shift is strongly compositional dependent, but it is also influenced by the thermal history of glasses (heat treatments). In this paper new experimental results are presented, which were obtained on FeCrB alloys, supporting the previous observations. An attempt of interpretation of the results is also made, which is based on the existence of the quenched-in phase reminiscences, being inherited from the liquid structure.
  • Department of Vehicles Manufacturing and Repairing, BUTE, Bertalan L. 2, 1111 Budapest, Hungary
  • Inst. of Exp. Physics, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovakia
  • Department of Physics, Technical University of Košice, Park Komenského 2, 042 00 Košice, Slovakia
  • Department of Vehicles Manufacturing and Repairing, BUTE, Bertalan L. 2, 1111 Budapest, Hungary
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