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Zeitschrift für Physik B Condensed Matter
ISSN: 0722-3277 (printed version)
ISSN: 1431-584X (electronic version)
Abstract Volume 100 Issue 3 (1996) pp 395-400
Nuclear resonance measurements of CePd$_2$Ga$_3$
M. Forsthuber (1), H. Nakamura (1), M. Shiga (1), E. Bauer (2)
(1) Department of Materials Science and Engineering, Kyoto University, Kyoto 606-01, Japan
(2) Institut für Experimentalphysik,Technische Universität Wien, A-1040 Wien, Austria
Received: 24 July 1995
Abstract. CePd$_2$Ga$_3$, a Kondo lattice exhibiting ferromagnetic order below $T_{\rm C}=6.3$ K, has been studied using Ga NMR technique. Measurements of the magnetic susceptibility on an oriented sample proved the strong anisotropy of this quantity, whose major component is in the basal plane.From the analysis of NMR spectra of differently oriented samples, the quadrupole parameters and the temperature-dependent anisotropic Knight-shift have been determined. While the anisotropy of the susceptibility can sufficiently account for the axial anisotropy of the $^{71}$Ga Knight shift, the in-plane anisotropy of the shift points towards dipolar effects enhanced by hybridization of the Ce-4f and Ga-s electrons.
PACS: 75.30.Cr; 75.30.Gw; 75.30.Mb; 76.60.Cq
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