NDLI: Study of Hexagonal to Monoclinic Phase Transformation in Tungsten Trioxide by Differential Scanning Calorimetry & Thermogravimetry

Content Provider	Semantic Scholar
Author	Bhushan, Indu
Copyright Year	2015
Abstract	The differential scanning calorimetric and thermogravimetric analyse~ show that hexagonal W03 transforms to monoclinic form in the temperature region 754.2-805.3K, without any compositional change. It is an irreversible exothermic process, which is controlled by nucleation growth mechanism. The analysis of kinetic data suggests that the phenomenon is associated with high energy of activation. The W03 phases have been identified by X-ray diffractometry. Electrical resistivity depicts anomaly at 775K and the energy of activation decreases with transformation to the monoclinic ph.ase. W03 exhibits temperature-independent weak paramagnetism.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://nopr.niscair.res.in/bitstream/123456789/47947/1/IJCA%2026A(9)%20736-739.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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