Abstract
New cadmium and rare-earth metal molybdates with the formula Cd 0.25 RE 0.50MoO 4 ( RE = Pr, Nd, Sm–Dy) were synthesized by the solid-state reaction of CdMoO 4 with corresponding RE 2(MoO 4) 3. The obtained compounds crystallize in the scheelite-type structure. They were characterized here by XRD, DTA-TG, IR and EPR methods. The Cd 0.25 RE 0.50MoO 4 compounds showed solubility in CdMoO 4 forming the Cd x RE 2−2 x (MoO 4) 3−2 x (0.50 < x < 1.00) solid solutions. It can be found from EPR measurements of the samples with volatile Gd 3+ ions content, that Gd 3+ ions can be located at sites of octahedral symmetry, and both temperature and gadolinium content have an influence on local magnetic interaction and relaxation processes of Gd 3+ ions.
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