The interplay of charge order and magnetism in Sr14Cu24O41 and Sr13LaCu24O41

We examined the doping dependence of the charge order in the spin chains of Sr14Cu24O41 and Sr13LaCu24O41 by 63Cu-NMR. In Sr14Cu24O41we verified the existence of two distinct Zhang–Rice copper sites on the chains with a dimer local susceptibility in agreement with the macroscopic susceptibility. In...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2004-05, Vol.272-276, p.918-919
Main Authors: Bosse, A, Mienert, D, Grafe, H.-J, Janke, U, Litterst, F.J, Ammerahl, U, Büchner, B, Klauss, H.-H
Format: Article
Language:English
Subjects:
Charge order
Cuprate
NMR
Quantum spin chain
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Summary:We examined the doping dependence of the charge order in the spin chains of Sr14Cu24O41 and Sr13LaCu24O41 by 63Cu-NMR. In Sr14Cu24O41we verified the existence of two distinct Zhang–Rice copper sites on the chains with a dimer local susceptibility in agreement with the macroscopic susceptibility. In Sr13LaCu24O41 one broad line associated with a Zhang–Rice site is observed. In contrast to expectations motivated by the charge order model this signal also exhibits a thermally activated local susceptibility.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2003.12.169