Observation of a dimerized state in the S=1/2 quasi-one-dimensional antiferromagn

M. Matsuda, K. Katsumata

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Abstract

We have performed magnetic susceptibility and electron spin resonance measurements on the quasi-one-dimensional magnet (Formula presented)(Formula presented)(Formula presented), which has simple chains and two-leg ladder chains of copper ions. The magnetic signals which we observed below room temperature mainly come from the simple chains. The experimental results show that the simple chain unexpectedly has a spin gap in the excitation spectrum, which originates from a dimerized state.

Original languageEnglish
Pages (from-to)12201-12205
Number of pages5
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume53
Issue number18
DOIs
StatePublished - 1996
Externally publishedYes

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