Magnetic properties of the S=1/2 quasi-one-dimensional antiferromagnet: Sr14-xYxCu24O41

M. Matsuda, K. Katsumata, S. M. Shapiro, G. Shirane

Research output: Contribution to journalArticlepeer-review

Abstract

Magnetic susceptibility and inelastic neutron scattering measurements have been performed on the S=1/2 quasi-one-dimensional system Sr14-xYxCu24O41, which has both simple chains and two-leg ladder chains of copper ions. The experimental results show that the simple chain in Sr14Cu24O41 has a spin gap in the excitation spectrum, which originates from a dimerized state. We have also studied the effect of Y3+ substitution for Sr 2+ site on the dimerized state. It was found that the yttrium substitution suppresses the gap energy drastically.

Original languageEnglish
Pages (from-to)1963-1964
Number of pages2
JournalCzechoslovak Journal of Physics
Volume46
Issue numberSUPPL. 4
DOIs
StatePublished - 1996
Externally publishedYes

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