NMR evidence for fluctuating, localised magnetic fields in zinc-doped YBa2Cu3O7-δ

Balakrishnan, G. and Caves, L.W.J. and Dupree, R. and Paul, D.McK. and Smith, M.E. (1989) NMR evidence for fluctuating, localised magnetic fields in zinc-doped YBa2Cu3O7-δ. Physica C: Superconductivity and its Applications, 161 (1). pp. 9-12. ISSN 0921-4534

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Abstract

High resolution NMR data for the changes in the shift and relaxation time of the 89Y resonance are presented for a range of zinc and gallium replacements for copper in YBa2Cu3O7-δ. Strikingly different variations in these NMR parameters are detected for the two substitutions. The interpretation of the experimental data leads to the conclusion that the incorporation of non-magnetic zinc impurities in the Cu(II)-O plane produces fluctuating, localised magnetic moments which may be the origin of the destruction of the superconducting state. © 1989.

Item Type:
Journal Article
Journal or Publication Title:
Physica C: Superconductivity and its Applications
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2100/2102
Subjects:
?? ceramic materialsmagnetic fieldsnuclear magnetic resonanceyttrium compounds--dopinghigh temperature superconductorsmagnetic momentsoxide superconductorsyttrium barium copper oxidessuperconducting materialsenergy engineering and power technologyelectronic, ??
Departments:
ID Code:
130336
Deposited By:
Deposited On:
04 Jan 2019 10:55
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 18:47