Phase formation and crystal growth of Ca3TaAl3Si2O14 piezoelectric single crystal

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2 Citations (Scopus)

Abstract

Ca3TaAl3Si2O14 (CTAS) piezoelectric powders were sintered at various temperatures to investigate phase formation. The CTAS powder sintered at 1350 °C was composed of a main phase with a langasite-type structure in addition to two secondary phases, whereas the main phases of the CTAS powders sintered at 1200 and 1300 °C were the secondary phases in X-ray diffraction patterns. CTAS single crystals with a diameter of 1 in. were grown by a Czochralski method using the sintered powders, and CTAS single crystals without impurity phases could be grown using the powder sintered at 1350 °C. A higher sintering temperature of starting materials contributes to the creation of CTAS single crystals without impurity phases.

Original languageEnglish
Article number11UD11
JournalJapanese journal of applied physics
Volume57
Issue number11
DOIs
Publication statusPublished - 2018 Nov

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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