Two-component uniform spin susceptibility of superconducting HgBa2CuO4+δ single crystals measured using 63Cu and 199Hg nuclear magnetic resonance

Jürgen Haase, Damian Rybicki, Charles P. Slichter, Martin Greven, Guichuan Yu, Yuan Li, and Xudong Zhao
Phys. Rev. B 85, 104517 – Published 26 March 2012

Abstract

63Cu and 199Hg nuclear magnetic resonance shifts for an optimally doped and underdoped HgBa2CuO4+δ single crystal are reported, and the temperature dependence dictates a two-component description of the uniform spin susceptibility. The first component, associated with the pseudogap phenomenon in the NMR shifts, decreases at room temperature and continues to drop as the temperature is lowered, without a drastic change at the transition temperature into the superconducting state. The second component is temperature independent above the superconducting transition temperature and vanishes rapidly below it. It is a substantial part of the total T-dependent susceptibility measured at both nuclei.

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  • Received 16 August 2011

DOI:https://doi.org/10.1103/PhysRevB.85.104517

©2012 American Physical Society

Authors & Affiliations

Jürgen Haase1,*, Damian Rybicki1, Charles P. Slichter2, Martin Greven3, Guichuan Yu3, Yuan Li4, and Xudong Zhao3,5

  • 1Faculty of Physics and Earth Science, University of Leipzig, Linnéstraße 5, 04103 Leipzig, Germany
  • 2Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
  • 3School of Physics and Astronomy, University of Minnesota, Minneapolis, Minnesota 55455, USA
  • 4Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569 Stuttgart, Germany
  • 5College of Chemistry, Jilin University, Changchun 130012, China

  • *j.haase@physik.uni-leipzig.de

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Vol. 85, Iss. 10 — 1 March 2012

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