Информация о цитировании статьи получена из
Scopus,
Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Changes in thermodynamic properties of diamond at isotopic substitution C-12 --> C-13 have been rigorously calculated at room and higher temperatures by using the first order of the thermodynamic perturbation theory. At 25 degrees C, the relative changes in the lattice constant of diamond, in coefficient of thermal expansion, in isothermal bulk modulus, and in heat capacity are equal to -(1.54 +/- 0.15) x 10(-4), 7.58 x 10(-2), 7.58 x 10(-4) and 9.56 x 10(-2), respectively. It has been shown that the isotopic effect in the lattice constant of diamond slightly decreases with increasing pressure.