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Electronic structure of ultrathinγ′−Fe4N(100) films epitaxially grown on Cu(100)
Physical Review B
The electronic structure of ultrathin films of ␥Ј-Fe 4 N͑100͒ deposited on Cu͑100͒ has been characterized by a combination of photoelectron spectroscopies, scanning tunneling microscopy, and diffraction techniques. The comparison of the data with first-principles simulations sheds light on magnetic moments, type of bonding, and charge transfer. N atoms residing in the bulk or at the surface are found to be distinguishable. The ␥Ј-Fe 4 N͑100͒ surface is laterally heterogeneous and contains bothdoi:10.1103/physrevb.75.125422 fatcat:krjxnf4rsrdphjhxqpituvikje