Cu-NMR Study on Disordered Sr14Cu24O41

S. Ohsugi; S. Matsumoto; Y. Kitaoka; M. Matsuda; M. Uehara; J. Akimitsu; T. Nagata

doi:10.1515/zna-2002-6-740

Cu-NMR Study on Disordered Sr₁₄Cu₂4O41

S. Ohsugi, S. Matsumoto, Y. Kitaoka, M. Matsuda, M. Uehara, J. Akimitsu, T. Nagata

Research Institute for Interdisciplinary Science

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

1 Citation (Scopus)

Abstract

The ladder-Cu NMR spectrum of a structural disordered single crystal Sr₁₄Cu₂₄O₄₁ (Sr14-B) under a magnetic field H ~ 11 T gradually splits into two spectra with Curie-Like broadening as T decreases from ^TSP ~ 150 K. Short-range (SR) staggered polarization (SP) on the ladder planes, originating from single-hole localization, occurs. The separation of the Sr14-B spectrum AH deviates from the Curie-like T dependence below 20 K. This assures that spontaneous moments appear below T_N ~ 20 K in H ~ 11 T.

Original language	English
Pages (from-to)	509-512
Number of pages	4
Journal	Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences
Volume	57
Issue number	6-7
DOIs	https://doi.org/10.1515/zna-2002-6-740
Publication status	Published - Jul 2002

Keywords

Cu NMR
Field-induced Long-range Order
Spin Ladder
SrCu24O

ASJC Scopus subject areas

Mathematical Physics
Physics and Astronomy(all)
Physical and Theoretical Chemistry

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title = "Cu-NMR Study on Disordered Sr14Cu24O41",

abstract = "The ladder-Cu NMR spectrum of a structural disordered single crystal Sr14Cu24O41 (Sr14-B) under a magnetic field H ~ 11 T gradually splits into two spectra with Curie-Like broadening as T decreases from TSP ~ 150 K. Short-range (SR) staggered polarization (SP) on the ladder planes, originating from single-hole localization, occurs. The separation of the Sr14-B spectrum AH deviates from the Curie-like T dependence below 20 K. This assures that spontaneous moments appear below TN ~ 20 K in H ~ 11 T.",

keywords = "Cu NMR, Field-induced Long-range Order, Spin Ladder, SrCu24O",

author = "S. Ohsugi and S. Matsumoto and Y. Kitaoka and M. Matsuda and M. Uehara and J. Akimitsu and T. Nagata",

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T1 - Cu-NMR Study on Disordered Sr14Cu24O41

AU - Ohsugi, S.

AU - Matsumoto, S.

AU - Kitaoka, Y.

AU - Matsuda, M.

AU - Uehara, M.

AU - Akimitsu, J.

AU - Nagata, T.

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AB - The ladder-Cu NMR spectrum of a structural disordered single crystal Sr14Cu24O41 (Sr14-B) under a magnetic field H ~ 11 T gradually splits into two spectra with Curie-Like broadening as T decreases from TSP ~ 150 K. Short-range (SR) staggered polarization (SP) on the ladder planes, originating from single-hole localization, occurs. The separation of the Sr14-B spectrum AH deviates from the Curie-like T dependence below 20 K. This assures that spontaneous moments appear below TN ~ 20 K in H ~ 11 T.

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KW - Field-induced Long-range Order

KW - Spin Ladder

KW - SrCu24O

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