2009/03/17 by T. Yoshida, Xingjiang Zhou, X. J. Zhou +7 · 9 citations
Chemistry · Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Chemistry #Condensed matter physics #Crystallography #Cuprate #Electron #Energy (signal processing) #Fermi level #Fermi surface #Magnetic and transport properties of perovskites and related materials #Nuclear physics #Physics #Physics of Superconductivity and Magnetism #Quantum mechanics #Quasiparticle #Superconductivity #cond-mat.str-el #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevb.80.052504
published in Physical Review B 80(5) (American Physical Society) · 5 pages, 3 figures
arxiv created 2009/03/17 · openalex publication_date 2009/08/17 · arxiv updated 2015/05/13 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
We have performed an angle-resolved photoemission study of the two-leg ladder system Sr_14\ensuremath-xCaxCu24O41 with x=0 and 11. ``Underlying Fermi surfaces'' determined from low-energy spectral-weight mapping indicates the quasi-one-dimensional nature of the electronic structure. Energy gap caused by the charge-density wave has been observed for x=0 and the gap tends to close with Ca substitution. The absence of a quasiparticle peak even in x=11 is in contrast to the two-dimensional high-Tc cuprates, implying strong carrier localization related to the hole crystallization.