Since the discovery of high T_c copper oxide superconductor by J. G. Bednorz and K. A. Müller, several kinds of copper-based oxide superconducting system have been reported, such as YBaCuO, BiSrCaCuO and TlBaCaCu...Since the discovery of high T_c copper oxide superconductor by J. G. Bednorz and K. A. Müller, several kinds of copper-based oxide superconducting system have been reported, such as YBaCuO, BiSrCaCuO and TlBaCaCuO. Their Hall coefficients and thermopower measurements demonstrated that they are hole-like superconductors. Because of the high展开更多
基金This work is supported by the National Center for Research and Development on Superconductivity, China.
文摘Since the discovery of high T_c copper oxide superconductor by J. G. Bednorz and K. A. Müller, several kinds of copper-based oxide superconducting system have been reported, such as YBaCuO, BiSrCaCuO and TlBaCaCuO. Their Hall coefficients and thermopower measurements demonstrated that they are hole-like superconductors. Because of the high