Power Law Behavior of the Zero Bias Tunneling Conductance: the New Evidence  for d-Wave Symmetry

LI Shao-Xiong; TAO Hong-Jie; XUAN Yi; ZHAO Bai-Ru; ZHAO Zhong-Xian

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Power Law Behavior of the Zero Bias Tunneling Conductance: the New Evidence for d-Wave Symmetry

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We report temperature-dependent behavior of the zero bias tunneling conductance (ZBTC), derived from tun neling spectroscopies on as-grown Bi2Sr2CaCu2O8+5 (Bi2212) single crystals taken with evaporated Zn and Pb planar junctions. At Tc the measured ZBTC shows a kink which gives an in situ measure of the superconducting transition temperature (Tc). Below Tc, the T2 dependence of the ZBTC has been observed repeatedly as a new evidence of the d-wave symmetry in Bi2212.

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《中国物理快报：英文版》 |2000年第10期|760-761|共2页
作者
LI Shao-Xiong; TAO Hong-Jie; XUAN Yi; ZHAO Bai-Ru; ZHAO Zhong-Xian;
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National Laboratory for Superconductivity, Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080;

National Laboratory for Superconductivity, Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080;

National Laboratory for Superconductivity, Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080;

National Laboratory for Superconductivity, Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080;

National Laboratory for Superconductivity, Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080;

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Power Law Behavior of the Zero Bias Tunneling Conductance: the New Evidence for d-Wave Symmetry

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