Local spin susceptibility of the S=1/2 kagome lattice in ZnCu3(OD)6Cl2
Name
Lee-2011-Local spin susceptibility.pdf
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Author(s)
Imai, T.
Fu, M.
Han, Tianheng
Lee, Young S.
Date Issued
July 2011
Journal
Physical Review B
Publisher
American Physical Society
Citation
Imai, T. et al. “Local spin susceptibility of the S=1/2 kagome lattice in ZnCu_{3}(OD)_{6}Cl_{2}.” Physical Review B 84 (2011): n. pag. Web. 17 Nov. 2011. © 2011 American Physical Society
Version
Final published version
Abstract
We report a single-crystal [superscript 2]D NMR investigation of the nearly ideal spin S=1/2 kagome lattice ZnCu[subscript 3](OD)[subscript 6]Cl[subscript 2]. We successfully identify [superscript 2]D NMR signals originating from the nearest neighbors of Cu[superscript 2+] defects occupying Zn sites. From the [superscript 2]D Knight-shift measurements, we demonstrate that weakly interacting Cu[superscript 2+] spins at these defects cause the large Curie-Weiss enhancement toward T=0 commonly observed in the bulk susceptibility data. We estimate the intrinsic spin susceptibility of the kagome planes by subtracting defect contributions, and explore several scenarios.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
https://doi.org/10.1103/PhysRevB.84.020411
