Publication detail

Relaxation behavior of glassy selenium

Authors: Svoboda Roman | Pustková Pavla | Málek Jiří

Year: 2006

Type of publication: článek ve sborníku

Name of source: 7th International Conference Solid State Chemistry

Publisher name: Univerzita Pardubice 2006

Place: Pardubice

Page from-to: 174-174

Titles:

Language	Name	Abstract	Keywords
cze	Relaxační chování amorfního selenu	Byla studována objemová a entalpická relaxace amorfního selenu. Pro objemová měření byla použita metoda rtuťové dilatometrie popsaná Kovacsem, entalpická relaxace a-Se byla studována pomocí DSC. K popisu relaxačního chování a-Se byl použit Tool-Narayanaswamy-Moynihanův model a byly určeny jeho parametry. Zdánlivá aktivační energie strukturní relaxace je velmi blízká aktivační energii viskózního toku v oblasti skelné transformace.	Chalkogenidy, DSC, entalpická relaxace.
eng	Relaxation behavior of glassy selenium	The volume and enthalpy relaxation of amorphous selenium has been studied. Mercury dilatometry described by Kovacs is a most suitable method for volume measurements. Enthalpy relaxation of a-Se was studied using DSC. The Tool-Narayanaswamy-Moynihan formulation was used to describe relaxation behavior of amorphous selenium and the parameters of this model were determined. The apparent activation energy of structural relaxation was found to be very close to the activation energy of viscous flow in the glass transition range.	Chalcogenides, DSC, enthalpy relaxation.

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