Cluster spin glass ordering in diluted spinel Zn0.5Co0.5FeCrO4

Muraleedharan, K. ; Srivastava, J. K. ; Marathe, V. R. ; Vijayaraghavan, R. (1985) Cluster spin glass ordering in diluted spinel Zn0.5Co0.5FeCrO4 Journal of Magnetism and Magnetic Materials, 49 (3). pp. 333-336. ISSN 0304-8853

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The disordered spinel system, Zn0.5Co0.5FeCrO4 has been investigated using the low field magnetization and ac susceptibility measurements. From the present results it appears that this system orders into a cluster spin glass state with the magnetic moments of the ferrimagnetic clusters randomly frozen. Compared to the Ni and Co zinc ferrites with the same magnetic dilution, introduction of Cr into the B sites appears to increase the frustration and disorder dramatically. The predicted phase diagrams for the ordering in diluted magnetic spinels do not describe the magnetic behaviour of this system, presumably due to the disorder in the B sublattice in addition to the dilution in the A sublattice.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:61867
Deposited On:15 Sep 2011 11:38
Last Modified:15 Sep 2011 11:38

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