Magnetic properties of the S=1/2 quasi-one-dimensional antiferromagnet: Sr{sub 14-x}Y{sub x}Cu{sub 24}O{sub 41}

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Magnetic susceptibility and inelastic neutron scattering measurements have been performed on the S=1/2 quasi-one-dimensional system Sr{sub 14-x}Y{sub x}Cu{sub 24}O{sub 41}, which has both simple chains and two-leg ladder chains of copper ions. The experimental results show that the simple chain in Sr{sub 14}Cu{sub 24}O{sub 41} has a spin gap in the excitation spectrum, which originates from a dimerized state. We have also studied the effect of Y{sup 3+} substitution for Sr{sup 2+} site on the dimerized state. It was found that the yttrium substitution suppresses the gap energy drastically.

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3 p.

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Matsuda, M.; Katsumata, K.; Shapiro, S.M. & Shirane, G. July 1, 1996.

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Magnetic susceptibility and inelastic neutron scattering measurements have been performed on the S=1/2 quasi-one-dimensional system Sr{sub 14-x}Y{sub x}Cu{sub 24}O{sub 41}, which has both simple chains and two-leg ladder chains of copper ions. The experimental results show that the simple chain in Sr{sub 14}Cu{sub 24}O{sub 41} has a spin gap in the excitation spectrum, which originates from a dimerized state. We have also studied the effect of Y{sup 3+} substitution for Sr{sup 2+} site on the dimerized state. It was found that the yttrium substitution suppresses the gap energy drastically.

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3 p.

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OSTI as DE96010686

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  • 21. international conference on low temperature physics, Prague (Czech Republic), 8-14 Aug 1996

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  • Other: DE96010686
  • Report No.: BNL--63041
  • Report No.: CONF-960849--3
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 253273
  • Archival Resource Key: ark:/67531/metadc668697

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  • July 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • June 24, 2016, 6:27 p.m.

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Matsuda, M.; Katsumata, K.; Shapiro, S.M. & Shirane, G. Magnetic properties of the S=1/2 quasi-one-dimensional antiferromagnet: Sr{sub 14-x}Y{sub x}Cu{sub 24}O{sub 41}, article, July 1, 1996; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc668697/: accessed October 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.