Abstract In this work, structural and dielectric properties of BaTi(1-x)ZrxO3 (BTZ) ceramics prepared by Spark Plasma Sintering (SPS) from powders obtained via Self-propagating High-temperature Synthesis (SHS) are shown to be strongly affected by the sintering temperature. In addition, a post-annealing treatment in air of the as-prepared ceramics leads to a transition from the hexagonal to the tetragonal and cubic phases. The SPS ceramics corresponding to compositions 0.05 ≤ x ≤ 0.20 and obtained at a sintering temperature of 1200 °C exhibit a standard ferroelectric behavior. In contrast, a diffuse phase transition is observed for the case of ceramics sintered at higher temperatures. Finally, the BTZ ceramic containing 5 at.% of Zr displays the best dielectric permittivity and piezoelectric properties as compared to the other compositions taken into account.

中文翻译：

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火花等离子体烧结温度对BaTi(1-x)ZrxO3陶瓷结构和介电性能的影响

摘要 在这项工作中，通过自蔓延高温合成 (SHS) 获得的粉末通过火花等离子体烧结 (SPS) 制备的 BaTi(1-x)ZrxO3 (BTZ) 陶瓷的结构和介电性能受到强烈影响。烧结温度。此外，所制备的陶瓷在空气中的后退火处理导致从六方相到四方相和立方相的转变。对应于成分 0.05 ≤ x ≤ 0.20 并在 1200 °C 的烧结温度下获得的 SPS 陶瓷表现出标准的铁电行为。相反，对于在较高温度下烧结的陶瓷，观察到扩散相变。最后是含5at的BTZ陶瓷。