Crystal Structure, Chemical Bond, and Microwave Dielectric Properties of Ba_1-xSr_x(Zn_1/3Nb_2/3)O₃ Solid Solution Ceramics.

ABSTRACT: Ba_1-xSr_x(Zn_1/3Nb_2/3)O₃ (BSZN) perovskite ceramics are prepared using the traditional solid-state reaction method. X-ray diffraction (XRD), Scanning electron microscopy (SEM), Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS) were used to analyze the phase composition, crystal structure, and chemical states of BSZN ceramics, respectively. In addition, the dielectric polarizability, octahedral distortion, complex chemical bond theory, and PVL theory were investigated in detail. Systematic research showed that Sr²⁺ addition could considerably optimize the microwave dielectric properties of BSZN ceramics. The change in τ_f value in the negative direction was attributed to oxygen octahe

SUBMITTER: Xiao L 

PROVIDER: S-EPMC10141137 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature