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Surface and bulk electronic structures of LaOFeAs studied by angle resolved photoemission spectroscopy
L. X. Yang, B. P. Xie, Y. Zhang +15
The electronic structure of LaOFeAs, a parent compound of iron-arsenic superconductors, is studied by angleresolved photoemission spectroscopy. By examining its dependence on photo…
Energy-Dependent Enhancement of the Electron-Coupling Spectrum of the Underdoped Bi2Sr2CaCu2O8+d Superconductor
H. Anzai, A. Ino, T. Kamo +8
We have determined the electron-coupling spectrum of superconducting Bi2Sr2CaCu2O8+d from high-resolution angle-resolved photoemission spectra by two deconvolution-free robust meth…
Doping-dependent nodal Fermi velocity in Bi-2212 revealed by high-resolution ARPES
I. M. Vishik, W. S. Lee, F. Schmitt +8
The improved resolution of laser-based angle-resolved photoemission spectroscopy (ARPES) allows reliable access to fine structures in the spectrum. We present a systematic, doping-…
Signatures of pressure induced superconductivity in insulating Bi2212
T. Cuk, D. A. Zocco, H. Eisaki +4
We have performed several high pressure electrical resistance experiments on Bi1.98Sr2.06Y0.68Cu2O8, an insulating parent compound of the high-Tc Bi2212 family of copper oxide supe…
Characteristic electronic structure and its doping evolution in lightly-doped to underdoped YBa2Cu3Oy
H. Yagi, T. Yoshida, A. Fujimori +15
We have performed an angle resolved photoemission spectroscopy (ARPES) study of lightly-doped to underdoped YBa2Cu3Oy (YBCO) untwinned single crystals and a core-level x-ray photoe…