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Title: Thermal stability of doped γ-ferric oxide
Authors: Bhat, Ramachandra
Anantharaman, M R
Keer, H V
Issue Date: Aug-1989
Publisher: NISCAIR-CSIR, India
Abstract: The thermal stablity of γ-ferric oxide doped with magnesium (II), cobalt (II), nickel (II) and copper (has been studied. The dopant cations get substituted in the γ-ferric oxide lattice. The Madelung constant and the Coulomb energy have also been evaluated. The dopants such as magnesium (II), cobalt (II), nickel (II) and copper (II) stabilize the γ-Fe2O3 lattice, as revealed by the increase in the temperature of onset of the phase transition (conversion into ɑ- Fe2O3) as compared to that of pure maghemite.
Page(s): 649-652
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.28A(08) [August 1989]

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