Kinetic Study on the Phase Transformation of GeO2
The stability relation of the three predominant modifications of germanium oxide are considered by Laubengayer and Morton as follows:
No systematic rate studies have yet been made on germanium oxide to date, in the same way as on silica and titanium oxide.The rate of transformation in germanium oxide may be complicated by variation in particle size, temperature, surrounding atmosphere, and by the presence of impurities, especially when the reaction takes place entirely in the solid state.
hexagonal⇋tetragonal → glass structure
KeywordsActivation Energy Phase Transformation Arrhenius Plot Glass Structure National Chemical Laboratory
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