Yeh, J-JJ-JYehDiCenzo, SBSBDiCenzoHartford Jr, EHEHHartford JrMINGHWEI HONGFelder, RJRJFelder2018-09-102018-09-101989http://scholars.lib.ntu.edu.tw/handle/123456789/349443Cu valence and the formation of high Tc superconductor oxides studied by x-ray photoemission spectroscopy on 200 Å Bi-Sr-Ca-Cu oxide thin filmsjournal article