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Absence of magnetic correlations in Ni 3d electrons in ScNi₂Al-a NMR study

Babu, P.K.; Nagarajan, R.; Gupta, L.C.
Proceedings of the DAE solid state physics symposium. V. 411999

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[en] NMR investigations of ⁴⁵Sc and ²⁷Al are carried out on the Heusler alloy ScNi₂Al in the temperature range 300-7.5 K, to study the nature of the Ni-3d electrons. The NMR spectra do not show any static quadrupole effects and both sites have temperature independent Knight shifts. Longitudinal relaxation time measurements show that T₁T is a constant for both the nuclei, indicating that magnetic correlations between the Ni-3d electrons are absent in this material. (author)

Primary Subject

ATOMIC AND MOLECULAR PHYSICS (S74)

Source

Mukhopadhyay, R.; Shaikh, A.M.; Godwal, B.K. (Condensed Matter Physics Div., Bhabha Atomic Research Centre, Mumbai (India)) (eds.); Board of Research in Nuclear Sciences, Department of Atomic Energy, Mumbai (India); 551 p; ISBN 81 7371 198 4;