Hyperfine interactions and dynamics characteristics of 119Sn in xSnO2-(1-x)α-Fe2O3 nanoparticle system

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The hyperfine interactions and dynamics aspects in nanoparticles system of the xSnO2-(1-x)α-Fe2O3 (x = 0.0–1.0) have been investigated by 119Sn-Mössbauer and XRD techniques. The change revealed by the XRD (XRDSs) and Mössbauer spectra (MSs) vs. x was discussed in terms of the phase and lattice-dynamics changes. The evidences of the triple hyperfine magnetic fields' distributions (MHFDs) and their dependencies x (<0.175) are discussed taking into account the super-transferred hyperfine interactions (STHI), the local disorder Sn4+/Fe3+ around the tin isotope probe and the reduced dimension effect.

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