Hyperfine fields in thin Pd films by beta-detected NMR

  • T. J. Parolin
  • , Z. Salman
  • , J. Chakhalian
  • , Q. Song
  • , K. H. Chow
  • , G. D. Morris
  • , M. Egilmez
  • , I. Fan
  • , M. D. Hossain
  • , T. A. Keeler
  • , R. F. Kiefl
  • , S. R. Kreitzman
  • , C. D.P. Levy
  • , A. I. Mansour
  • , R. I. Miller
  • , M. R. Pearson
  • , H. Saadaoui
  • , M. Smadella
  • , D. Wang
  • , M. Xu
  • W. A. MacFarlane*
*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Using low energy beta-detected nuclear magnetic resonance (β NMR), the Knight shift and spin-lattice relaxation rate of dilute 8 Li+ implanted into a 28 nm Pd film on a MgO substrate were studied as a function of temperature. The shift of the resonance is negative, but much smaller in magnitude than observed in two other much thicker samples. The corresponding spin-lattice relaxation rates are found to be linear with temperature T, but are roughly 50% slower than the rates measured in a Pd foil. Potential explanations are discussed.

Original languageEnglish
Pages (from-to)917-919
Number of pages3
JournalPhysica B: Condensed Matter
Volume404
Issue number5-7
DOIs
StatePublished - 15 Apr 2009
Externally publishedYes

Keywords

  • Knight shift
  • Palladium
  • Spin-lattice relaxation
  • Thin film
  • β NMR

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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