| Автор | Takamitsu Higuchi |
| Автор | Koichiro Waki |
| Автор | Goro Osabe |
| Автор | Sang-Im Yoo |
| Автор | Masato Murakami |
| Дата выпуска | 2000-06-01 |
| dc.description | Nd<sub>1+x</sub>Ba<sub>2-x</sub>Cu<sub>3</sub>O<sub>y</sub> (Nd123ss) single crystals were isothermally grown under controlled oxygen partial pressure of 1% O<sub>2</sub> at various growth temperatures (T<sub>g</sub>) from 1000 to 1020 °C with a flux method. The flux composition of 20 mol% NdBa<sub>2</sub>Cu<sub>3</sub>O<sub>y</sub> (Nd123) and 80 mol% Ba<sub>3</sub>Cu<sub>5</sub>O<sub>8</sub> (035) was employed. Nd123ss single crystals grown at T<sub>g</sub>≥1010 °C exhibited a transition temperature T<sub>c</sub>≈95 K with transition width ≈1 K, the peak field (B<sub>pk</sub>)≈2-3 T and the irreversibility field (B<sub>irr</sub>) at 77 K much higher than the experimental limit of 7 T. As the growth temperature is lowered, both the B<sub>pk</sub> and B<sub>irr</sub> were reduced, which can be explained in terms of the chemical fluctuation which can occur at lower T<sub>g</sub>. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Superconducting properties of Nd<sub>1+x</sub>Ba<sub>2-x</sub>Cu<sub>3</sub>O<sub>y</sub> single crystals isothermally grown at various temperatures |
| Тип | paper |
| DOI | 10.1088/0953-2048/13/6/303 |
| Electronic ISSN | 1361-6668 |
| Print ISSN | 0953-2048 |
| Журнал | Superconductor Science and Technology |
| Том | 13 |
| Первая страница | 641 |
| Последняя страница | 645 |
| Выпуск | 6 |
