Absolute determination of Co magnetic moments: Ultrahigh-vacuum high-Tc SQUID magnetometry
A. Ney, P. Poulopoulos, M. Farle, K. Baberschke
DOI 10.1103/PhysRevB.62.11336 · Physical Review B
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Abstract
A full-thickness dependent, from two monolayers to bulk, absolute determination of the total magnetic moments of Co/Cu(001) films is carried out in situ with the help of UHV high-Tc SQUID magnetometer. The total moment is enhanced by 11% compared to the bulk value of 1.73μB/atom measured in the thick limit. These values agree perfectly with polarized neutron diffraction measurements for the bulk and confirm theoretical predictions for the ultrathin limit.
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