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Production of Sr-deficient bismuth tantalates from microwave–hydrothermal derived precursors: Structural and dielectric properties

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Fig. 1. XRD patterns for the SBT powders. (a) MHP and samples heated at (b) 600  C, (c) 700  C, (d) 800  C, (e) 1000  C, and (f) 1100  C.
Fig. 3 presents the electrical conductivity of the SBT ceramic as a function of temperature and frequency, where the two conduction regimes mentioned above can be clearly seen
Fig. 3. The ac electrical conductivity as a function of temperature and frequency for the sintered SBT

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