Автор |
Xiong Shi-jie |
Дата выпуска |
1988-02-10 |
dc.description |
A quite simple diluted Ising-like model has been proposed to describe the order-disorder transformation in the YBa<sub>2</sub>Cu<sub>3</sub>O<sub>6+x</sub> systems. On the basis of the exact solutions are obtained for the short-range and long-range order in the stoichiometric case and for the percolation threshold x<sub>c</sub> below which the ordered phase does not appear. The temperature dependence of the long-range order is in good agreement with the experimental results. From the analysis of the percolation threshold the absence of an ordered phase and superconductivity in the composition range of x<0.5 is easily understood. |
Формат |
application.pdf |
Издатель |
Institute of Physics Publishing |
Название |
Some exactly solvable problems on order-disorder transformation in YBa<sub>2</sub>Cu<sub>3</sub>O<sub>6+x</sub> systems |
Тип |
lett |
DOI |
10.1088/0022-3719/21/4/001 |
Print ISSN |
0022-3719 |
Журнал |
Journal of Physics C: Solid State Physics |
Том |
21 |
Первая страница |
L69 |
Последняя страница |
L74 |
Аффилиация |
Xiong Shi-jie; Dept. of Phys., Nanjing Univ., China |
Выпуск |
4 |