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Please use this identifier to cite or link to this item: http://dyuthi.cusat.ac.in/purl/4410

Title: Development of pure and doped gamma ferric oxide
Authors: Anantharaman, M R
Seshan, K
Keer, H V
Shringi, S N
Keywords: Magnetic recording materials
gamma ferric oxide
thermal decomposition.
Issue Date: 28-Dec-1983
Publisher: Springer
Abstract: Optimum conditions and experimental details for the formation of v-Fe203 from goethite have been worked out. In another method, a cheap complexing medium of starch was employed for precipitating acicular ferrous oxalate, which on decomposition in nitrogen and subsequent oxidation yielded acicular y-Fe203. On the basis of thermal decomposition in dry and moist nitrogen, DTA, XRD, GC and thermodynamic arguments, the mechanism of decomposition was elucidated. New materials obtained by doping ~'-Fe203 with 1-16 atomic percent magnesium, cobalt, nickel and copper, were synthesised and characterized
Description: Bull. Mater. Sci., Vol. 6, No. 1, February 1984, pp. 59--64.
URI: http://dyuthi.cusat.ac.in/purl/4410
Appears in Collections:Dr. M R Anantharaman

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