Title

One-dimensional spin fluctuations in a transition metal oxide

Document Type

Article

Publication Date

2-2-1994

Abstract

We use inelastic neutron scattering from polycrystalline Y2BaNiO5 and Y2BaNi0.96Zn0.04O5 specimens to demonstrate that the spin fluctuations in this compound are one-dimensional. In addition they are gapped, in accord with the S=1 nature of the Ni2+ and the Haldane conjecture. The gap remains well defined and may even grow slightly in the Zn-diluted compound. © 1994.

Publication Source (Journal or Book title)

Physica B: Physics of Condensed Matter

First Page

181

Last Page

182

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