Superconductivity and Mossbauer effect of FexCu1-xBa2YCu2O7+y superconductors synthesized by high pressure
文献类型：期刊论文
| 作者 | Liu, YH ; Che, GC ; Li, KQ ; Zhao, ZX ; Kou, ZQ ; Di, NL ; Cheng, ZH |
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2005 |
| 卷号 | 71期号:10 |
| 关键词 | HIGH-TEMPERATURE SUPERCONDUCTIVITY OXYGEN-DEFICIENT YBA2CU3O7-DELTA NEUTRON POWDER-DIFFRACTION CRYSTAL-STRUCTURE MAGNETIC ORDER FE SYSTEM COEXISTENCE PEROVSKITE BEHAVIOR |
| ISSN号 | 1098-0121 |
| 通讯作者 | Liu, YH (reprint author), Chinese Acad Sci, Inst Phys, Natl Lab Superconduct, POB 603, Beijing 100080, Peoples R China. |
| 中文摘要 | The superconductivity in FexCu1-xBa2YCu2O7+y superconductors (0.00 <= x <= 0.70) is improved by high-pressure (HP) synthesis. The HP samples have higher oxygen content than the ambient pressure (AM) samples. Mossbauer effect studies confirmed that the high-pressure synthesis changes the local structure on the atomic scale. For the HP samples Fe (2) in the CuO2 planes has highly symmetric pyramidal-oxygen coordination. The tetragonal coordinated Fe (1) in the CuOx chains disappears and becomes the one having fivefold and sixfold oxygen coordination after the high-pressure synthesis. This suggests that the increase of oxygen content and the change of local structure are important reasons for the improvement of superconductivity in the HP samples. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-24 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/54010]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Liu, YH,Che, GC,Li, KQ,et al. Superconductivity and Mossbauer effect of FexCu1-xBa2YCu2O7+y superconductors synthesized by high pressure[J]. PHYSICAL REVIEW B,2005,71(10). |
| APA | Liu, YH.,Che, GC.,Li, KQ.,Zhao, ZX.,Kou, ZQ.,...&Cheng, ZH.(2005).Superconductivity and Mossbauer effect of FexCu1-xBa2YCu2O7+y superconductors synthesized by high pressure.PHYSICAL REVIEW B,71(10). |
| MLA | Liu, YH,et al."Superconductivity and Mossbauer effect of FexCu1-xBa2YCu2O7+y superconductors synthesized by high pressure".PHYSICAL REVIEW B 71.10(2005). |
入库方式： OAI收割
来源：物理研究所
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