Magnetic properties of Sb2O3-doped Ba-M hexagonal ferrites

Brahma, P. ; Giri, Anit K. ; Chakravorty, D. ; Tiwari, M. ; Bahadur, D. (1991) Magnetic properties of Sb2O3-doped Ba-M hexagonal ferrites Journal of Magnetism and Magnetic Materials, 102 (1-2). pp. 109-115. ISSN 0304-8853

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Ba-M hexagonal ferrites with Sb2O3 doping have been prepared in the composition series BaO(Fe2O3)6-x(Sb2O3)x with 0 ≤ x ≤ 0.4. Cold pressed mixture of the starting oxides has been given heat treatment in the temperature range 1100 to 1300° C for periods extending to 12 h. Sb2O3 doping reduces the values of saturation magnetization and Curie temperature. A cationic distribution scheme with Sb3+ ions occupying the octahedral sites in the S block of the Ba-M hexagonal crystal structure predicts magnetization changes similar to those observed experimentally.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:7386
Deposited On:25 Oct 2010 11:43
Last Modified:28 May 2011 04:53

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