The angle-resolved photoemission spectroscopy was used to investigate low-energy electronic structure of the optimally doped trilayer cuprate superconductor Bi2Sr2Ca2Cu3 D10+δ. The Fermi surface and normal state quasiparticle dispersion and the superconducting d-wave gap and coherence peak were observed and compared with those of single and bilayer systems. It was found that the superconducting gap magnitude and the relative coherence-peak intensity scale linearly with critical temperature for various optimally doped materials.
|Original language||English (US)|
|Number of pages||4|
|Journal||Physical Review Letters|
|State||Published - Mar 11 2002|