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Published June 1988 | public
Journal Article

Magnetic correlations in La_2NiO_(4+δ) and La_(2-x)Sr_xCuO_4

Abstract

Neutron scattering and muon spin relaxation studies of some materials related to high-T_c superconductors are described. For La_(2-x)Sr_xCuO_4 with x as large as 0.05, our data indicate spin glass greezing with a frozen local moment of the same size as in the nominally pure (x=0) antiferromagnet. Magnetic fluctuations similar to those for La_2CuO_4 are found for La_2NiO_4, which thus far has not been shown to be the parent compound of a superconductor.

Additional Information

Copyright © 1988 Published by Elsevier. Research at Brookhaven, University of Chicago, and TRIUMF was supported by the U.S. Dept. of Energy (Contract No. DE-AC02-76CH0006), by the U.S. National Science Foundation (Grant No. DMR-85-17478), and the NSERC of Canada, respectively.

Additional details

Created:
August 19, 2023
Modified:
March 5, 2024