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Evidence for4dFerromagnetism in 2D Systems: Ru Monolayers on C(0001) Substrates
1995
Physical Review Letters
Preserved Fulltext
The first observation of 4d ferromagnetism in two-dimensional systems is reported. Using Auger electron spectroscopy, we find that the initial growth of Ru on a C(0001) substrate is lateral until a homogeneous monolayer film is formed. The magnetic properties of the films are studied using spin polarized secondary electron spectroscopy. For one monolayer Ru on C(0001), below a surface Curie temperature of approximately 250 K, nonzero in-plane spin polarization is observed and found to saturate
doi:10.1103/physrevlett.74.3467
pmid:10058208
fatcat:2egjzh2tgjcufljbhs6u5tbzci