Preparation, Phase Constitution and Ionic Conductivity of Nanophase PbF2

Abstract

Abstract: The bulk samples of nanophase PbF₂(n-PbF₂) with the clean interfaces were prepared by using an inert gas evaporation and in situ compacting technique. The phase constitution and ionic conductivity were studied by XRD, DSC and complex impedance spectra. The results show that the ionic conductivity of n-PbF₂is rather higher than that of coarse-grained PbF₂. The temperature of phase transition from α-phase to β-phase for n-PbF₂ drops about 30℃ compared with that of coaxse-grained PbF₂.

Key words: nanophase fluoride, phase transition, ionic conductivity

CLC Number:

O738

LIU Jin-Fang,WU Xi-Jun,XU Guo-Liang,WANG Ping-Chu. Preparation, Phase Constitution and Ionic Conductivity of Nanophase PbF₂[J]. Journal of Inorganic Materials.

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Preparation, Phase Constitution and Ionic Conductivity of Nanophase PbF₂

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