Development of novel growth methods for halide single crystals

作者：Yokota Yuui^*; Kurosawa Shunsuke; Shoji Yasuhiro; Ohashi Yuji; Kamada Kei; Yoshikawa Akira

来源：Optical Materials, 2017, 65: 46-51.

DOI：10.1016/j.optmat.2016.08.035

• Crystal growth
• Micro-pulling-down method
• Vertical Bridgman method
• Halide scintillator

We developed novel growth methods for halide scintillator single crystals with hygroscopic nature, Halide micro-pulling -down [H-mu-PD] method and Halide Vertical Bridgman [H-VB] method. The H-mu-PD method With a removable chamber system can grow a single crystal of halide scintillator material with hygroscopicity at faster growth rate than the conventional methods. On the other hand, the H-VB method can grow a large bulk single crystal of halide scintillator without a quartz ampule. CeCl3, LaBr3, Ce:LaBr3 and Eu:Srl(2) fiber single crystals could be grown by the H-mu-PD method and Eu:Srl(2) bulk single crystals of 1 and 1.5 inch in diameter could be grown by the H-VB method. The grown fiber and bulk single crystals showed comparable scintillation properties to the previous reports using the conventional methods.

• 出版日期2017-3