No sooner had the high T_c superconducting oxides been discovered than the wide interest was exhibited in the research of the electronic structure and ionic valence state of these kinds of materials. Based on theoreti...No sooner had the high T_c superconducting oxides been discovered than the wide interest was exhibited in the research of the electronic structure and ionic valence state of these kinds of materials. Based on theoretic calculations and experimental results of the X-ray photoelectron spectroscopy (XPS)and the electron-energy-loss spectroscopy (EELS), it展开更多
基金Project supported by the National Center for Research and Development on Superconductivity.
文摘No sooner had the high T_c superconducting oxides been discovered than the wide interest was exhibited in the research of the electronic structure and ionic valence state of these kinds of materials. Based on theoretic calculations and experimental results of the X-ray photoelectron spectroscopy (XPS)and the electron-energy-loss spectroscopy (EELS), it