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Li掺杂熔融织构YBCO晶体的面内磁阻
  • ISSN号：1000-3258
  • 期刊名称：《低温物理学报》
  • 时间：0
  • 分类：TM262[电气工程—电工理论与新技术;一般工业技术—材料科学与工程] TN104.3[电子电信—物理电子学]
  • 作者机构：[1]南京大学物理系固体微结构国家重点实验室,南京210993, [2]中科院上海微系统与信息技术研究所,上海200050
  • 相关基金：This work was supported by the National Natural Science Foundation of China （No. 10174033） and National Superconducting 973 Program.
作者： 聂阳[1], 王智河[1], 白忠[1], 李配军[1], 邱里[1], 丁世英[1], 张宏[2]
关键词： 高温超导体, 传输性质, High-Tc superconductor, Transport property
中文摘要：

在0～9T范围内测量了磁场平行于P轴时Li掺杂熔融织构YBCO样品面内电阻的温度关系．我们用A～H模型拟合实验数据．结果表明，以R／Rn=20％作为高阻区和低阻区的分界线，R～T曲线可分别用R=Rn{I0[CH^-p（1-t）^q]}^-2来描述，其中Rn是正常态的电阻Rn=-5．36＋0．145T．p=0．78，1．88和q=1．5,3．5分别是高阻区和低阻区的拟合参数．

英文摘要：

We have measured the temperature dependence of in-plane resistivity for Li-doped MTG-YBCO crystals in the magnetic field up to 9T parallel to c-axis. The R-T curves are fitted piecewise in two parts based on A-H model, R=Rn[I0[γ0/2）]^-2, where Rn is the normal state resistivity. γ0 = U0/KaT, and I0 is the modified Bessel function. R=Rn{I0[CH^-p（1-t）^q]}^-2 is achieved with Rn=-5.36＋0.145T, p=0.78,1.88 and q=1.5,3.5 for high- and low-resistivity region, respectively.

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期刊信息
  • 《低温物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学技术大学
  • 主编：赵忠贤
  • 地址：安徽省合肥市金寨路96号
  • 邮编：230026
  • 邮箱：LiBiyou@ustc.edu.cn
  • 电话：0551-3601359
  • 国际标准刊号：ISSN：1000-3258
  • 国内统一刊号：ISSN：34-1053/O4
  • 邮发代号:26-136
  • 获奖情况:
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:1577