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Details van artikel 14 van 18 gevonden artikelen
| Titel: |
Study of Giant Magneto-Impedance Behavior in Co-Fe Based Amorphous/Nanocrystalline Materials |
| Auteur: |
Kumari, Seema Chattoraj, I. Pal, S. K. Mitra, A. |
| Verschenen in: |
Materials and manufacturing processes |
| Paginering: | Jaargang 21 (2006) nr. 7 pagina's 683-686 |
| Jaar: |
2006-10-01 |
| Inhoud: |
Giant magneto-impedance (GMI) behavior have been studied in melt spun Co71-XFeXCr7Si8B14 (X = 0, 2, 3.2, 4, 6, 8, and 12 at%) alloys. The addition of Fe in the system changed the saturation magnetostriction constant from negative to positive values. The GMI property was measured with a driving current of 5 mA and 4 MHz frequency using a spectrum analyzer. The GMI ratio increased with the increase of the applied dc field and became maximum at a field Hk known as the anisotropy field of the materials. The maximum of GMI ratio (GMImax) depended on the Fe content and was maximum (12%) for Fe = 4 at% for the alloys in the as-melt spun state. Substantial increase of GMImax to 66% for Fe = 4 at% was observed after annealing the sample at 673 K. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 14 van 18 gevonden artikelen
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