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Charge and spin density perturbation on iron nuclei by non-magnetic impurities substituted on the iron sites in -Fe A. Błachowski 1 , K. Ruebenbauer 1 , J. Żukrowski 2 , J. Przewoźnik 2 1 Mössbauer Spectroscopy Division, Institute of Physics,
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Charge and spin density perturbation on iron nuclei by non-magnetic impurities substituted on the iron sites in -Fe A. Błachowski 1, K. Ruebenbauer 1, J. Żukrowski 2,J. Przewoźnik 2 1Mössbauer Spectroscopy Division, Institute of Physics, Pedagogical University, Kraków, Poland 2Solid State Physics Department, Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Kraków, Poland
Fe100-cXc - arc melting - ingots~1.5 g - rapid quench of the molten state - metastable state
Lattice constanta and half-width of the <110> Bragg reflex versus impurity concentrationc Fe1-cOsc Fe1-cAuc
Binomial distribution impurity concentration [at.%] subsequent coordination shellsaround 57Fe number of vortices in thes-th shell number of impurities inthes-th shell Example Fe100-cXc
Hyperfine fields and isomer shifts for particular configuration having the contribution hyperfine field and total shiftfor 57Fe atoms surrounded entirely by Fe atoms up to theoutermost shell contributions to the hyperfine field and isomer shift due to a single impurity atom located in thes-th shell
Correlation between average hyperfine field change per at.% of impurity and average isomer shift change per at.% of impurity [W] S.M. Dubiel, W. Zinn, Phys. Rev. B30, 3783 (1984). [Re] S.M. Dubiel, J. Magn. Magn. Mater.69, 206 (1987). [Pt] S.M. Dubiel, Phys. Rev. B37, 1429 (1988).
Spin- and charge density oscillations Average perturbationsand for Ru, Ir and Ga impurities versus relative distance from the 57Fe nucleus