Magnetic behaviour of the mixed spinel ferrite GaxFe1−xNiCrO4

Srivastava, J. K. ; Jéhanno, G. ; Muraleedharan, K. ; Kulkarni, J. A. ; Marathe, V. R. ; Darshane, V. S. ; Vijayaraghavan, R. (1987) Magnetic behaviour of the mixed spinel ferrite GaxFe1−xNiCrO4 Journal of Magnetism and Magnetic Materials, 67 (1). pp. 43-48. ISSN 0304-8853

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Mössbauer, X-ray diffraction, dc magnetization and ac susceptibility measurements have been carried out in the spinel ferrite GaxFe1−xNiCrO4 (0≤x≤1) in different temperature ranges between 1.4 and 700 K. These measurements show A site occupation of Fe3+ ions and a coexistence of ferrimagnetic and frustrated (entropic) spins in this system for all x. The frustration in this system arises due to the random distribution of Fe3+ and diamagnetic Ga3+ ions on the A sites, and those of Ni2+ and Cr3+ ions on B sites.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:61757
Deposited On:15 Sep 2011 11:48
Last Modified:15 Sep 2011 11:48

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