Critical assessment 5: Thermodynamic data for vacanciesстатья
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Дата последнего поиска статьи во внешних источниках: 7 октября 2020 г.
Авторы:
Dinsdale A.T. ,
Khvan A.V. ,
Watson A.
Журнал:
Materials Science and Technology
Том:
30
Номер:
14
Год издания:
2014
Издательство:
Maney Publishing
Местоположение издательства:
United Kingdom
Первая страница:
1715
Последняя страница:
1718
DOI:
10.1179/1743284714Y.0000000589
Аннотация:
The thermodynamic properties of crystalline phases are generally represented well in terms of the compound energy formalism and the model has been implemented in all the major software packages used to calculated phase equilibria. The formalism is particularly successful in modelling defects in crystals, both the formation of holes or vacancies on lattice sites, and the dissolution of atoms on interstitial sublattices. In the former case the formalism may require the definition of data for pure vacancy itself. In this assessment we investigate the possible values for the Gibbs energy of vacancy to be used in the compound energy formalism and show that a value of zero or negative will always lead to unwanted catastrophic stability of the phase. © 2014 Institute of Materials, Minerals and Mining.
Добавил в систему:
Хван Александра Вячеславовна