Volume 65, 1969

Thermal and particle size effects in magnesium oxide

Abstract

X-ray line widths, surface areas and heats of solution of MgO samples prepared by vacuum dehydration of Mg(OH)2 at different temperatures in the range 350–1 200°C have been studied. While the surface energy of particles shows a steady decrease with the temperature of preparation, the heats of solution shows an abrupt decrease over a narrow temperature range. The results have been interpreted in terms of pseudocrystallization of the highly disordered oxide followed by sintering; the pseudocrystallization of colloidal oxides appear to be similar to glass transitions.

Article information

Article type
Paper

Trans. Faraday Soc., 1969,65, 3088-3092

Thermal and particle size effects in magnesium oxide

M. Natarajan, T. S. Sarma, J. C. Ahluwalia and C. N. R. Rao, Trans. Faraday Soc., 1969, 65, 3088 DOI: 10.1039/TF9696503088

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