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Phys Rev Lett. 2010 Aug 06;105(6):067203. doi: 10.1103/PhysRevLett.105.067203. Epub 2010 Aug 04.

Direct observation of impurity-induced magnetism in a spin-(1/2) antiferromagnetic Heisenberg two-leg spin ladder.

Physical review letters

F Casola, T Shiroka, S Wang, K Conder, E Pomjakushina, J Mesot, H-R Ott

Affiliations

  1. Laboratorium für Festkörperphysik, ETH Hönggerberg, CH-8093 Zürich, Switzerland.

PMID: 20868003 DOI: 10.1103/PhysRevLett.105.067203

Abstract

Nuclear magnetic resonance and magnetization measurements were used to probe the magnetic features of single-crystalline Bi(Cu(1-x)Zn(x))(2)PO(6) with 00 and we present clear evidence for a temperature-dependent variation of the local magnetization close to the Zn sites. The generic nature of this observation is indicated by results of model calculations on appropriate spin systems of limited size employing quantum Monte Carlo methods.

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