Monolayer resolved oscillating hyperfine fields in epitaxial face-centered-tetragonal Co(001) films

H. Wieldraaijer; W.J.M. Jonge, de; J.T. Kohlhepp

doi:10.1103/PhysRevLett.93.177205

Monolayer resolved oscillating hyperfine fields in epitaxial face-centered-tetragonal Co(001) films

H. Wieldraaijer, W.J.M. Jonge, de, J.T. Kohlhepp

Physics of Nanostructures

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Abstract

Ultrahigh-quality thin fct-Co films grown on Cu(001) were studied by 59Co NMR. The influence of the spin-dependent electron scattering at the interfaces is obsd. for at least four Co at. layers from the interface with monolayer resoln. An oscillatory effect on the Co hyperfine field with a period of several monolayers is measured, corresponding to the oscillating conduction electron polarization. The observation is exclusively possible in this system due to its very narrow resonance lines, corresponding to a virtually perfect Co structure. [on SciFinder (R)]

Original language	English
Article number	177205
Pages (from-to)	177205-1/4
Number of pages	4
Journal	Physical Review Letters
Volume	93
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevLett.93.177205
Publication status	Published - 2004

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title = "Monolayer resolved oscillating hyperfine fields in epitaxial face-centered-tetragonal Co(001) films",

abstract = "Ultrahigh-quality thin fct-Co films grown on Cu(001) were studied by 59Co NMR. The influence of the spin-dependent electron scattering at the interfaces is obsd. for at least four Co at. layers from the interface with monolayer resoln. An oscillatory effect on the Co hyperfine field with a period of several monolayers is measured, corresponding to the oscillating conduction electron polarization. The observation is exclusively possible in this system due to its very narrow resonance lines, corresponding to a virtually perfect Co structure. [on SciFinder (R)]",

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AB - Ultrahigh-quality thin fct-Co films grown on Cu(001) were studied by 59Co NMR. The influence of the spin-dependent electron scattering at the interfaces is obsd. for at least four Co at. layers from the interface with monolayer resoln. An oscillatory effect on the Co hyperfine field with a period of several monolayers is measured, corresponding to the oscillating conduction electron polarization. The observation is exclusively possible in this system due to its very narrow resonance lines, corresponding to a virtually perfect Co structure. [on SciFinder (R)]

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Monolayer resolved oscillating hyperfine fields in epitaxial face-centered-tetragonal Co(001) films

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