Crystallisation of yttrium-iron-garnet (YIG) in a borate glass

Ram, S. ; Datta, S. ; Chakravorty, D. ; Bahadur, D. (1987) Crystallisation of yttrium-iron-garnet (YIG) in a borate glass Journal of Non-Crystalline Solids, 91 (2). pp. 165-169. ISSN 0022-3093

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00223...

Related URL: http://dx.doi.org/10.1016/S0022-3093(87)80299-5

Abstract

Glass ceramics containing YIG microcrystals have been precipitated in BaO-B2O3-Y2O3-Fe2O3-Al2O3-Bi2O3 glass. The BaFe12O19 ferrite phase also precipitates along with some non-magnetic Ba borates in a few of the glass-ceramic samples. The YIG particles precipitated are essentially in acicular shape (aspect ratio ~20). Magnetisation and EPR measurements have been carried out on all the specimens. The results are consistent with their microstructures.

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