$β$-NMR of Isolated $^{8}$Li$^{+}$ Implanted into a Thin Copper Film

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dc.creatorSalman, Z.
dc.creatorMansour, A. I.
dc.creatorChow, K. H.
dc.creatorBeaudoin, M.
dc.creatorFan, I.
dc.creatorJung, J.
dc.creatorKeeler, T. A.
dc.creatorKiefl, R. F.
dc.creatorLevy, C. D. P.
dc.creatorMa, R. C.
dc.creatorMorris, G. D.
dc.creatorParolin, T. J.
dc.creatorWang, D.
dc.creatorMacFarlane, W. A.
dc.date2006-12-29
dc.date.accessioned2026-07-07T07:55:25Z
dc.date.available2026-07-07T07:55:25Z
dc.descriptionDepth-controlled $β$-NMR was used to study highly spin-polarized $^8$Li in a Cu film of thickness 100 nm deposited onto a MgO substrate. The positive Knight Shifts and spin relaxation data show that $^8$Li occupies two sites at low temperatures, assigned to be the substitutional ($S$) and octahedral ($O$) interstitial sites. Between 50 to 100 K, there is a site change from $O$ to $S$. The temperature dependence of the Knight shifts and spin-lattice relaxation rates at high temperatures, i.e. when all the Li are in the $S$ site, is consistent with the Korringa Law for a simple metal.
dc.descriptionAccepted for publication in Phys. Rev. B
dc.identifierhttps://arxiv.org/abs/cond-mat/0701002
dc.identifierhttp://arxiv.org/abs/cond-mat/0701002
dc.identifierPhys. Rev. B 75, 073405 (2007)
dc.identifierdoi:10.1103/PhysRevB.75.073405
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/126963
dc.subjectStrongly Correlated Electrons
dc.title$β$-NMR of Isolated $^{8}$Li$^{+}$ Implanted into a Thin Copper Film
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