2009/02/09 by Yoshio Kitaoka, Kitaoka, Yoshio, Hidekazu Mukuda +3 · 1 citation
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #FOS: Physical sciences #Magnetic and transport properties of perovskites and related materials #Physics of Superconductivity and Magnetism #Strongly Correlated Electrons (cond-mat.str-el) #Superconductivity (cond-mat.supr-con) #cond-mat.str-el #cond-mat.supr-con
paper · pdf · doi:10.48550/arxiv.0902.1381
3 pages, 2 gigures, Submitted to J. Phys. Soc. Jpn
arxiv created 2009/02/09 · openalex publication_date 2009/02/09 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Extensive Cu-NMR studies on multilayered high-Tc cuprates have deduced the following results;(1) Antiferromagnetic (AFM) moment MAFM is decreased with doping, regardless of the number of CuO2 layers n, and collapses around a carrier density Nh = 0.17. (2) The AFM ordering temperature is enhanced as the out-of-plane coupling Jout increases with increasing n. (3) The in-plane superexchange Jin is invariant with doping, but is even increased. (4) The dome shape of Tc from the underdoped to the overdoped regime with a maximum Tc at Nh = 0.22 does not depend on n, but its maximum value of Tc seems to depend on n moderately. The present results strongly suggest that the AFM interaction plays the vital role as the glue for the Cooper pairs, which will lead us to a genuine understanding of why the Tc of cuprate superconductors is so high.