Photoemission study of the spin-density wave state in thin films of Cr

Details Photoemission study of the spin-density wave state in thin films of Cr Photoemission study of the spin-density wave state in thin films of Cr

2003-07-09

arxiv.org/abs/cond-mat/0307196v1

Physics

Condensed Matter

Materials Science

4 figures

Scientific paper

10.1103/PhysRevB.70.174444

Angle-resolved photoemission (PE) was used to characterize the spin-density wave (SDW) state in thin films of Cr grown on W(110). The PE data were analysed using results of local spin density approximation layer-Korringa-Kohn-Rostoker calculations. It is shown that the incommensurate SDW can be monitored and important parameters of SDW-related interactions, such as coupling strength and energy of collective magnetic excitations, can be determined from the dispersion of the renormalized electronic bands close to the Fermi energy. The developed approach can readily be applied to other SDW systems including magnetic multilayer structures.

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