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Quadripolar nuclear resonance investigation of conduction electrons charge density around a scandium impurity in an aluminium matrix

C Berthier and M Minier

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The electric field gradients experienced by aluminium nuclei around a substitutional impurity are closely related to the conduction electron screening. In the case of Al-Sc alloy field cycling double resonance measurements confirm the presence of a virtual bound state well described by the Friedel-Anderson model and demonstrate a fundamentally different behaviour of Al-Sc, as opposed to Al-Mn and Al-Cr.


PACS

76.60.Gv Quadrupole resonance

71.70.Jp Nuclear states and interactions

71.55.Ak Metals, semimetals, and alloys

Subjects

Condensed matter: electrical, magnetic and optical

Dates

Issue 6 (June 1973)



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