Ionic Model for Cr, Mn, and Fe Impurities in Cu

Ionic Model for Cr, Mn, and Fe Impurities in Cu

We report studies of the temperature dependence of the Knights shift of Cu atoms near to Cr atoms in dilute CuCr alloys. Comparison with CuMn and CuFe leads us to propose electronic structures for these important systems. We confirm the general picture of Hirst: The atoms have integral numbers of 3d...

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Veröffentlicht in:Phys. Rev. Lett.; (United States) 1978-09, Vol.41 (10), p.719-722
Hauptverfasser: Abbas, D. C., Aton, T. J., Slichter, C. P.
Format: Artikel
Sprache:eng
Schlagworte:
ALLOY SYSTEMS
ALLOYS
BINARY ALLOY SYSTEMS
CHROMIUM ALLOYS
COPPER ALLOYS
COPPER BASE ALLOYS
DILUTE ALLOYS
ELECTRONIC STRUCTURE
IMPURITIES
IRON ALLOYS
KNIGHT SHIFT
MAGNETIC MOMENTS
MAGNETIC PROPERTIES
MAGNETIC RESONANCE
MAGNETIC SUSCEPTIBILITY
MANGANESE ALLOYS
MATERIALS SCIENCE
NUCLEAR MAGNETIC RESONANCE
PHYSICAL PROPERTIES
RESONANCE 360102 > Metals & Alloys-- Structure & Phase Studies
TEMPERATURE DEPENDENCE
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Zusammenfassung:We report studies of the temperature dependence of the Knights shift of Cu atoms near to Cr atoms in dilute CuCr alloys. Comparison with CuMn and CuFe leads us to propose electronic structures for these important systems. We confirm the general picture of Hirst: The atoms have integral numbers of 3d electrons and obey Russell-Sanders coupling, but the sign of the crystal field is opposite to that of Hirst, and Fe has seven rather than six 3d electrons.
ISSN:0031-9007
DOI:10.1103/PhysRevLett.41.719