Decrease of T-c and persistent two gaps upon enhancement of the Ca doping in MgB2 superconductor
文献类型：期刊论文
| 作者 | Sun, YX ; Yu, DL ; Liu, ZY ; He, JL ; Zhang, XY ; Tian, YJ ; Xiang, JY ; Zheng, DN |
| 刊名 | APPLIED PHYSICS LETTERS
 |
| 出版日期 | 2007 |
| 卷号 | 90期号:5 |
| 关键词 | MAGNESIUM DIBORIDE HEAT |
| ISSN号 | 0003-6951 |
| 通讯作者 | Sun, YX: Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China. |
| 中文摘要 | Superconducting properties have been investigated in the Ca-doped MgB2 (Mg1-xCaxB2) superconductors, which have been synthesized under high temperature and pressure. With increasing doping level x, a linear drop of the critical temperature T-c is observed, and the gap Delta(sigma) keeps nearly fixed and the gap Delta(pi) deceases, giving rise to the persistent two-gap feature in the Mg1-xCaxB2 samples for x up to 0.07. Both the Sommerfeld constant gamma(n) and the relative weight gamma(pi)/gamma(n) are found to decrease with raising x, indicative of the decrease of N-pi(0). |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/35661]  |
| 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 | Sun, YX,Yu, DL,Liu, ZY,et al. Decrease of T-c and persistent two gaps upon enhancement of the Ca doping in MgB2 superconductor[J]. APPLIED PHYSICS LETTERS,2007,90(5). |
| APA | Sun, YX.,Yu, DL.,Liu, ZY.,He, JL.,Zhang, XY.,...&Zheng, DN.(2007).Decrease of T-c and persistent two gaps upon enhancement of the Ca doping in MgB2 superconductor.APPLIED PHYSICS LETTERS,90(5). |
| MLA | Sun, YX,et al."Decrease of T-c and persistent two gaps upon enhancement of the Ca doping in MgB2 superconductor".APPLIED PHYSICS LETTERS 90.5(2007). |
入库方式： OAI收割
来源：物理研究所
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