Panda, A K and Mohanta, Ojaswini and Ghosh, M and Mitra, A (2009) Development of Nanostructured CoFe-Based Alloys for High Temperature Magnetic Applications. Journal Of Nanoscience And Nanotechnology, 9 (9). pp. 5600-5603.
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Abstract
The effect of substituting Fe by Co on the crystallization, structural and magnetic behaviour of Fe72-xCoxSi4B20Nb4 (X = 10, 20, 36, 50 at%) and Co36Fe36Si4-yAlyB20Nb4 (Y = 0, 1 at%) alloys prepared in the form of melt spun ribbons has been discussed. Alloys containing optimum content of cobalt = 36 at% showed consistent coercivity at elevated temperatures. This soft magnetic property was further improved with aluminium incorporation. Transmission electron microscopy (TEM) indicated that such enhancement in the properties was due to finer dispersions of (CoFe)SiAl nanoparticles in amorphous matrix. Nanocrystallisation also raised the Curie temperature of the aluminium contained alloy.
| Item Type: | Article |
|---|---|
| Official URL/DOI: | DOI: 10.1166/jnn.2009.1134 |
| Uncontrolled Keywords: | Melt-Spun Ribbons; Amorphous; Nanocrystal line; Magnetic; Curie Temperature |
| Divisions: | Material Science and Technology |
| ID Code: | 3257 |
| Deposited By: | INVALID USER |
| Deposited On: | 11 Jul 2011 17:23 |
| Last Modified: | 06 Feb 2012 17:43 |
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