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L. Dobrzynski, A. Andrejczuk, H. Reniewicz, K. Szymanski, E. Zukowski

A Compton Scattering Study of Charge Transfer in Cr-Fe-Mn Alloys

Compton profiles of polycrystalline Cr-Fe-Mn compounds were measured at room temperature using 60-keV gamma radiation from a ²⁴¹Am isotope source. Four difference profiles for the samples of varying composition were formed from the experimental data. The difference profiles suggest the presence of charge transfer from delocalised 4s-like to more localised 3d-type orbitals during alloying. The value of the transfer is well modelled, using the APW-type approach, when an antiferromagnetic spin arrangement is considered. However, this effect is different for the ferromagnetic case.

Zeitschrift für Physikalische Chemie, Oldenbourg Wissenschaftsverlag

Print ISSN: 0942-9352
Volume: 215, 11/2001
Pages: 1389

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