NMR studies of Nd2−xCexCuO4

Doyle, S.M. and Dupree, R. and Howes, A.P. and Paul, D.M. and Smith, M.E. (1991) NMR studies of Nd2−xCexCuO4. Bulletin of Materials Science, 14 (3). pp. 619-623. ISSN 0250-4707

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Abstract

Copper NMR has been studied as a function of temperature in a number of superconducting Nd2−xCexCuO4 samples. The electric field gradient is very small and the Knight shift is 2380 ppm at room temperature, both of these implying that the copper is in a Cu+ state. The Knight shift decreases with temperature particularly below Tc. The spin contribution to the Knight shift is estimated to be ∼ 200 ppm (about a factor ten smaller than in YBa2Cu3O7) indicating that Ns(EF) at the copper sites is small in this material. © 1991, Indian Academy of Sciences. All rights reserved.

Item Type: Journal Article
Journal or Publication Title: Bulletin of Materials Science
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/2500
Subjects:
Departments: Faculty of Arts & Social Sciences > Educational Research
VC's Office
ID Code: 130334
Deposited By: ep_importer_pure
Deposited On: 04 Jan 2019 11:15
Refereed?: Yes
Published?: Published
Last Modified: 30 Sep 2019 21:33
URI: https://eprints.lancs.ac.uk/id/eprint/130334

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