Superlattice symmetry in magnetic multilayer systems

J. Zabloudil, C. Uiberacker, C. Blaas, U. Pustogowa, L. Szunyogh, C. Sommers, P. Weinberger

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The problem of superlattice symmetry, i.e., the question of periodicity along the growth direction (surface normal) in magnetic multilayer systems, is discussed using discrete Fourier transformations for the anisotropy energy, as well as, for the antiparallel and perpendicular interface exchange coupling. We analyze the system Cu(100)/(Cu3Ni3)n, where n is the number of repetitions, for the case of free surfaces and surfaces capped semi-infinitely by Cu(100). It will be shown that for some magnetic properties, and only in certain situations, (almost) periodic behavior with respect to n applies, while for other properties an oscillatory behavior is characteristic. Also discussed are implications with respect to typical experimental situations and with respect to traditional supercell approaches.

Original languageEnglish
Pages (from-to)7804-7813
Number of pages10
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number13
Publication statusPublished - Apr 1 1998

ASJC Scopus subject areas

  • Condensed Matter Physics

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    Zabloudil, J., Uiberacker, C., Blaas, C., Pustogowa, U., Szunyogh, L., Sommers, C., & Weinberger, P. (1998). Superlattice symmetry in magnetic multilayer systems. Physical Review B - Condensed Matter and Materials Physics, 57(13), 7804-7813.