The Magnetism and Electronic Structures of Rh Monolayer

概要

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Recent Auger electron spectroscopy experiment suggested the possibility of magnetismin Rh overlayer on Cu(001). This experiment result was verified by our theoretical study on Rh monolayer on Cu(001). However the calculated total energy difference between para- and ferro- magnetic states was found to be very small and it calls for the investigation of anothe state, i.e., the antiferromagnetic state. The dependence of total energies on the lattice constant was calculated for three magnetic states, i.e., para-, ferro-, and antiferromagnetic ones. It was found that there is no meaningful energy difference between para- and antiferromagnetic states for all lattice constant. The ferromagnetic state is most stable compared to other states for the lattice constant greater than 6.68 a.u. The energy minima was found at the lattice constant of 6.57 a.u. where it is paramagnetic.
社団法人日本磁気学会の論文
1999-01-20