Magnetic and magnetoimpedance properties of Mn-doped FINEMET


KOLAT V. S. , BAYRİ N. , MICHALIK S., İZGİ T. , SOVAK P., ATALAY F. , ...Daha Fazla

JOURNAL OF NON-CRYSTALLINE SOLIDS, cilt.355, ss.2562-2566, 2009 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 355
  • Basım Tarihi: 2009
  • Doi Numarası: 10.1016/j.jnoncrysol.2009.09.015
  • Dergi Adı: JOURNAL OF NON-CRYSTALLINE SOLIDS
  • Sayfa Sayıları: ss.2562-2566

Özet

In this study, the effect of substituting Mn for Fe on the magnetic and magnetoimpedance (MI) properties of amorphous and nanocrystalline Fe73.5-xMnxCu1Nb3Si13.5B9 (x = 1, 3, 5, 7) alloys has been investigated. A higher Mn content causes a decrease in the saturation magnetization and Curie temperature. For as-received Fe73.5-xMnxCu1Nb3Si13.5B9 (x = 0, 1, 3, 5, 7) ribbons, the measured values of the MI are 11%, 12%, 16%, 12% and 15% for x = 0, 1, 3, 5, 7, respectively. The magnitude of the MI ratio increases in annealed samples, indicating that they are magnetically softened by nanocrystallisation. The change in MI is found to be similar to 70% for the x = 3 sample annealed at 550 degrees C. It is also found that replacing a small amount of Fe by Mn improves the magnetic softness of Fe73.5-xMnxCu1Nb3Si13.5B9 alloys. (C) 2009 Elsevier B.V. All rights reserved.