Dresden 2003 – wissenschaftliches Programm

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MA: Magnetismus

MA 14: Poster: Schichten(1-31), Spinabh.Trsp.(32-47), Exch.Bias(48-54), Spindyn.(55-64), Mikromag.(65-76), Partikel(77-88), Oflmag.(89-92), Spinelektr.(93-98), Elektr.Theo.(99-103), Mikromag+PhasÜ+Aniso.(104-122), MagnMat.(123-134), Messm+Mol-Mag.(135-139), Kondo(140-151)

MA 14.103: Poster

Dienstag, 25. März 2003, 15:15–19:15, Zelt

Magnetic anisotropy properties of Co compounds — •Ingo Opahle¹, Lutz Steinbeck², Manuel Richter¹, Michael Kuzmin³, Klaus Koepernik¹, and Helmut Eschrig¹ — ¹IFW Dresden, P.O.B. 270016, D-01171 Dresden, Germany — ²ZMD Dresden, Germany — ³Instituto de Ciencia de Materiales de Aragon, Zaragoza, Spain

Magneto crystalline anisotropy properties of rare earth transition metal compounds have been calculated using the highly accurate relativistic FPLO method and the relativistic optimized LCAO method. The effect of the lattice geometry and orbital polarization, a correction to the LSDA taking into account Hund’s second rule, are discussed. Results are presented for RCo₅ and R₂T₁₇N_x compounds and compared to experimental data.