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简要介绍高温超导体的发展以及研究状况.实验显示,可用正电子湮没参数来表征元素掺杂对超导体的超导转变温度、结构缺陷和相变的影响.表明了正电子湮没技术是研究铜氧化物高温超导体的元素掺杂效应的有效手段.
The development and research status of high temperature superconductors are briefly introduced.Experiments show that positron annihilation parameters can be used to characterize the effect of element doping on the superconducting transition temperature, structural defects and phase transitions of superconductors. It is shown that positron annihilation Effective Means for Doping Effect of High Temperature Superconductors.