期刊
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
卷 61, 期 12, 页码 -出版社
SCIENCE PRESS
DOI: 10.1007/s11433-018-9305-y
关键词
cuprates; electronic structures; doping evolution; tight binding; ARPES
资金
- Ministry of Science and Technology of China [2016YFA0401000, 2016YFA0300600, 2015CB921300, 2015CB921000]
- National Natural Science Foundation of China [11227903, 11574371]
- Chinese Academy of Sciences [XDB07000000, XDPB08-1]
Recently we developed a technique of ozone/vacuum annealing to continuously change the doping level of the surface of Bi2Sr2CaCu2O8+x and measured a nearly whole superconducting dome on one surface by in-situ angle-resolved photoemission spectroscopy [arXiv: 1805.06450]. Here we study the evolution of the electronic structures of Bi2Sr2CaCu2O8+x using this technique together with tight binding fits. The tight binding parameters are extracted to study their evolution with doping.
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