Journal of Solid State Chemistry p. 342 - 347 (1988)
Update date:2022-08-25
Topics:
Ohashi, M.
Yamanaka, S.
Hattori, M.
A layer structured compounds β-ZrNCl is transported to a higher temperature zone with the aid of ammonium chloride as the transporting agent in the temperature range of 823-1173 K. The transport mechanism can be explained by the formation of a volatile compound (NH4)2ZrCl6. The measurements of the vapor pressure and the mass spectrum revealed that (NH4)2ZrCl6 decomposed congruently according to the equation presented. The enthalpy change for the decomposition was determined to be 533 kJ/mol. By combining the above two equations, a simplified transport equation is derived.
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