Structure, ionic conduction, and giant dielectric properties of mechanochemically synthesized BaSnF4

Abstract

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Defect‐enhanced F– ion conductivity in layer‐structured nanocrystalline BaSnF4 prepared by high‐energy ball milling combined with soft annealing

“…In agreement with the study of Chadwick et al [7] this value represents one of the highest conductivities reported for BaSnF 4 when the mechanosynthesized product studied here is compared with samples prepared via other routes such as high temperature synthesis, wet chemical methods or other mechanochemical approaches including the various types of ball milling [4][5][6][7].…”

“…Outstanding room temperature ionic conductivity has been found for tetragonal BaSnF 4 , which makes it a prospecting candidate for its application in both electrochemical storage systems and sensors. However, comparisons of published literature data points to a strong dependency of the conductivity on the preparation method applied [4][5][6][7].…”

“…However, comparisons of published literature data points to a strong dependency of the conductivity on the preparation method applied [4][5][6][7].…”

“…Besides the analysis of conductivity spectra, in particular, permittivities as a function of frequency were analyzed in terms of external electrode polarization effects. Considering BaSnF 4 the latter is controversially discussed in the literature [4,13].…”

Deposition of CoFe2O4 Composite Thick Films and Their Magnetic, Electrical Properties Characterizations

“…In the whole temperature range, we can see that the enhancement of measured temperature strengthens the grain boundaries effect gradually and weakens the grains effect at the same time. This is similar to many materials (Lin et al, 2008;Ahmad et al, 2009), where higher temperature stimulated the ions hopping over their barrier layers instead of hopping within their own sites.…”