Cu-NQR study on single crystals Sr14-xCaxCu24O41 with x = 0-11.5

S. Ohsugi; Y. Kitaoka; T. Nagata; H. Fujino; J. Akimitsu

doi:10.1023/A:1022977403651

Cu-NQR study on single crystals Sr_14-xCa_xCu₂₄O₄₁ with x = 0-11.5

S. Ohsugi, Y. Kitaoka, T. Nagata, H. Fujino, J. Akimitsu

Research output: Contribution to journal › Article › peer-review

Abstract

Cu-nuclear quadrupole resonance (NQR) measurements have been performed on single crystals Sr_14-x Ca_x Cu₂₄ O₄₁ (Ca_x) with x = 0-11.5, in order to clarify the relation between the magnetic order around x = 11.5 and local environments at the Cu sites upon x. Cu-NQR frequency v_Q for the ladders at 4.2 K increases linearly with increasing x, whereas v_Q for the nonmagnetic Zhang-Rice (ZR) sites in the chains does not. Detailed site assignment of the spectra, which are different from those in the previous paper, is presented.

Original language	English
Pages (from-to)	747-751
Number of pages	5
Journal	Journal of Low Temperature Physics
Volume	131
Issue number	3-4
DOIs	https://doi.org/10.1023/A:1022977403651
Publication status	Published - May 2003
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Materials Science(all)
Condensed Matter Physics

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abstract = "Cu-nuclear quadrupole resonance (NQR) measurements have been performed on single crystals Sr14-x Cax Cu24 O41 (Cax) with x = 0-11.5, in order to clarify the relation between the magnetic order around x = 11.5 and local environments at the Cu sites upon x. Cu-NQR frequency vQ for the ladders at 4.2 K increases linearly with increasing x, whereas vQ for the nonmagnetic Zhang-Rice (ZR) sites in the chains does not. Detailed site assignment of the spectra, which are different from those in the previous paper, is presented.",

author = "S. Ohsugi and Y. Kitaoka and T. Nagata and H. Fujino and J. Akimitsu",

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AU - Ohsugi, S.

AU - Kitaoka, Y.

AU - Nagata, T.

AU - Fujino, H.

AU - Akimitsu, J.

PY - 2003/5

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AB - Cu-nuclear quadrupole resonance (NQR) measurements have been performed on single crystals Sr14-x Cax Cu24 O41 (Cax) with x = 0-11.5, in order to clarify the relation between the magnetic order around x = 11.5 and local environments at the Cu sites upon x. Cu-NQR frequency vQ for the ladders at 4.2 K increases linearly with increasing x, whereas vQ for the nonmagnetic Zhang-Rice (ZR) sites in the chains does not. Detailed site assignment of the spectra, which are different from those in the previous paper, is presented.

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