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Hydrothermal crystal growth of perovskite-type fluorides

  • Shigeyuki Sōmiya
  • Shin-Ichi Hirano
  • Masahiro Yoshimura
  • Kazumichi Yanagisawa

Abstract

Single crystals of perovskite-type fluorides were grown from potassium fluoride and di-valent metal chloride solutions by a hydrothermal method under a temperature gradient, at maximum temperature 600° C and pressure 98 MPa. Single-crystal cubes of KMnF3, KFeF3, KCoF3 and KZnF3, of cube edge sizes ranging from 0.2 to 2.0 mm, were grown. Crystals of KNiF3 grew in rectangular prisms and those of KCdF3 in anhedral form. Single crystals of KCuF3 were grown in pure water from co-precipitated KCuF3 powder. KMgF3 crystals were not grown by this method.

Keywords

Hydrothermal Method Hydrothermal Reaction Cupric Oxide Rectangular Prism Dissolution Temperature 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Elsevier Science Publishers Ltd 1989

Authors and Affiliations

  • Shigeyuki Sōmiya
    • 1
  • Shin-Ichi Hirano
    • 1
  • Masahiro Yoshimura
    • 1
  • Kazumichi Yanagisawa
    • 1
  1. 1.Laboratory for Hydrothermal Syntheses, Research Laboratory of Engineering Materials and Department of Material Science and EngineeringTokyo Institute of TechnologyMidori, YokohamaJapan

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