Antisymmetric exchange and its influence on the magnetic structure and conductivity of La2CuO4

Tineke Thio, T. R. Thurston, N. W. Preyer, P. J. Picone, M. A. Kastner, H. P. Jenssen, D. R. Gabbe, C. Y. Chen, R. J. Birgeneau, Amnon Aharony

Research output: Contribution to journalArticlepeer-review

Abstract

Measurements of the magnetic moment of antiferromagnetic La2CuO4 at high fields reveal a new phase boundary originating from a previously undetected canting of the Cu2+ spins out of the CuO2 planes. This canting, together with the exponential temperature dependence of the two-dimensional correlation length, accounts quantitatively for the susceptibility peak at the Néel temperature. Enhancement of the conductivity in the ferromagnetic phase demonstrates a strong connection between the magnetism and charge transport.

Original languageEnglish
Pages (from-to)905-908
Number of pages4
JournalPhysical Review B-Condensed Matter
Volume38
Issue number1
DOIs
StatePublished - 1988

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