| Автор | Hongsuk Yi |
| Автор | N H Hur |
| Автор | Jaejun Yu |
| Дата выпуска | 2000-06-26 |
| dc.description | The nature of the paramagnetic-insulator-to-ferromagnetic-metal transition and the associated colossal magnetoresistance (CMR) in doped manganites is re-investigated on the basis of the double-exchange model by using a Monte Carlo technique. We calculate the temperature dependence of the magnetic susceptibility and resistivity by taking account of the magnetic fluctuation together with the long-range hopping correlation. The results show Curie-Weiss behaviour of the susceptibility, consistent with a sharp peak in the resistivity near the Curie temperature T<sub>c</sub>. The estimated value of T<sub>c</sub> and the magnitude of the CMR in the magnetic field are in good agreement with experiments. Our results clearly demonstrate the importance of the magnetic fluctuation and the long-range hopping correlation in the CMR manganites. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Long-range hopping correlation and colossal magnetoresistance in doped manganites |
| Тип | paper |
| DOI | 10.1088/0953-8984/12/25/309 |
| Electronic ISSN | 1361-648X |
| Print ISSN | 0953-8984 |
| Журнал | Journal of Physics: Condensed Matter |
| Том | 12 |
| Первая страница | 5453 |
| Последняя страница | 5462 |
| Выпуск | 25 |
