Journal article
Comparison of S=0 and S=12 impurities in the Haldane chain compound Y2BaNiO5
Abstract
We present the effect of Zn (S=0) and Cu (S=1/2) substitution at the Ni site of S=1 Haldane chain compound Y2BaNiO5. 89Y nuclear-magnetic resonance (NMR) allows us to measure the local magnetic susceptibility at different distances from the defects. The 89Y NMR spectrum consists of one central peak and several less intense satellite peaks. The central peak represents the chain sites far from the defect. Its shift measures the uniform …
Authors
Das J; Mahajan AV; Bobroff J; Alloul H; Alet F; Sørensen ES
Journal
Physical Review B, Vol. 69, No. 14,
Publisher
American Physical Society (APS)
Publication Date
April 1, 2004
DOI
10.1103/physrevb.69.144404
ISSN
2469-9950