Two-Dimensional Antiferromagnetic Excitations from a Large Single Crystal of ${YBa}_{2}$ ${Cu}_{3}$ $O_{6.2}$

12 September 1988

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 61 (11), 1317-1320
https://doi.org/10.1103/physrevlett.61.1317

Abstract

A large single crystal (7 × 7 × 3

{mm}^{3}

) of

{YBa}_{2}

{Cu}_{3}

O_{6.2}

has been grown and its magnetic excitations have been observed by neutron-scattering techniques. A two-dimensional magnetic ridge, similar to that observed for

{La}_{2} Cu O_{4 - y}

, has been clearly identified by triple-axis measurements. The slope of the dispersion curve for spin-wave excitations is very large (≳0.5 eV Å), consistent with the result of spinpair Raman scattering by Lyons et al.

This publication has 13 references indexed in Scilit:

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Physical Review B, 1988
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Physical Review Letters, 1988
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Cited by 76 articles

Two-Dimensional Antiferromagnetic Excitations from a Large Single Crystal of YBa2Cu3O6.2

Abstract

Two-Dimensional Antiferromagnetic Excitations from a Large Single Crystal of ${YBa}_{2}$ ${Cu}_{3}$ $O_{6.2}$