Rapid change of electronic anisotropy in overdoped (Y, Ca)Ba2Cu3O7−δ

2008/02/01 by K. Nagasao, T. Masui, S. Tajima · 2 citations
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Magnetic and transport properties of perovskites and related materials #Physics of Superconductivity and Magnetism #cond-mat.str-el #cond-mat.supr-con

paper · pdf · doi:10.1016/j.physc.2008.05.268

arxiv created 2008/02/01 · openalex publication_date 2008/06/13 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

Electronic anisotropy was studied for overdoped (Y,Ca)Ba2Cu3O7-d with various doping levels (p). It was found that the pseudogap-like behavior in the resistivity disappear when p exceeds 0.17, independent of the oxygen deficiency. The anisotropy ratio (g) estimated from upper critical fields showed a rapid decrease at around p = 0.18, approaching g = 3 for p > 0.20.

Cited by

• Universal intrinsic doping behavior of in-plane dc conductivity for hole-doped high-temperature cuprate superconductors
• 17O-NMRKnight shift study of the interplay between superconductivity and pseudogap in(CaxLa1−x)(Ba1.75−xLa0.25+x)Cu3Oy

Related

• Doping dependence of the low temperature planar carrier density in overdoped YBa₂Cu₃O_7-δ
• Electronic crossover suggested by Raman scattering in overdoped (Y,Ca)Ba2Cu3Oy
• The doping phase diagram of Y1-xCaxBa2(Cu1-yZny)3O7-delta from transport measurements: tracking the pseudogap below Tc
• Indications of an Electronic Phase Transition in 2D YBa2Cu3O7-x Induced by Electrostatic Doping
• In-plane anisotropy of electrical transport in Y_0.85Tb_0.15Ba₂Cu₃O_7-x films