Growth of high-temperature phase KLu2F7 single crystals using quenching process

Hidehiko Tanaka, Yuki Furuya, Makoto Sugiyama, Yutaka Fujimoto, Valery Chani, Yuui Yokota, Takayuki Yanagida, Yoshiyuki Kawazoe, Akira Yoshikawa

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


KLu2F7 single crystals were grown by micro-pulling-down method. KLu2F7 has phase transition around 730 °C, which is between melting temperature and room temperature. The high-temperature phase is monoclinic and the low temperature phase is orthorhombic. To keep the temperature of as-grown crystal above the phase transition temperature, the conventional carbon hot zone was modified, and its temperature gradient was investigated. Using the modified setup, KLu 2F7 crystal with monoclinic (high temperature) phase was grown. After the growth procedure, the as-grown crystal was quenched to room temperature and it was found that the crystal keeps the monoclinic (high temperature) phase at room temperature.

Original languageEnglish
Pages (from-to)916-919
Number of pages4
JournalJournal of Crystal Growth
Issue number1
Publication statusPublished - 2011 Mar 1


  • A1. X-ray diffraction
  • A2. Growth from melt
  • A2. Single crystal growth
  • B1. Rare earth compounds
  • B3. Scintillators


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