β-NMR of isolated lithium in nearly ferromagnetic palladium

T. J. Parolin, Z. Salman, Jak Chakhalian, Q. Song, K. H. Chow, M. D. Hossain, T. A. Keeler, R. F. Kiefl, S. R. Kreitzman, C. D.P. Levy, R. I. Miller, G. D. Morris, M. R. Pearson, H. Saadaoui, D. Wang, W. A. MacFarlane

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Abstract

The temperature dependence of the frequency shift and spin-lattice relaxation rate of isolated, nonmagnetic Li8 impurities implanted in a nearly ferromagnetic host (Pd) are measured by means of β-detected nuclear magnetic resonance (β-NMR). The shift is negative, very large, and increases monotonically with decreasing T in proportion to the bulk susceptibility of Pd for T>T* 100K. Below T*, an additional shift occurs which we attribute to the response of Pd to the defect. The relaxation rate is much slower than expected for the large shift and is linear with T below T*, showing no sign of additional relaxation mechanisms associated with the defect.

Original languageEnglish (US)
Article number047601
JournalPhysical review letters
Volume98
Issue number4
DOIs
StatePublished - 2007

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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