X-band EPR studies of hyperfine and superhyperfine structure of Mn2+ ions in polycrystalline CdO

On the possibility of ferromagnetism in CdO:Mn at room temperature

“…The peak gets distorted with increase in Mn concentration and also the average separation between hyperfine splitting (A HF ) increases. Similar results were observed and explained by Shinde and Date [13]. De Biasi and Grillo [8] have already shown that for manganese concentrations larger than about 0.08 mol.% in polycrystalline CdO, EPR spectrum can be fitted to the Hamiltonian gH ÁS þ AS ÁĨ where A ¼ 7.8 mT and g ¼ 1.999.…”

Influence of manganese concentration on the electron magnetic resonance spectrum of Mn2+ in CdO

“…Analysis of the EMR spectrum of polycrystalline manganesedoped cadmium oxide [5] shows that divalent manganese ions substitutionally replace cadmium ions in the lattice. For manganese concentrations larger than about 0.08 mol%, the spectrum can be fitted to the Hamiltonian The theory of dipolar broadening in diluted solid solutions was developed in [6] and extended in [7] to take exchange interactions into account.…”