Afterglow suppression by codoping with Bi in CsI:TI crystal scintillator

Daisuke Totsuka, Takayuki Yanagida, Yutaka Fujimoto, Yuui Yokota, Federico Moretti, Anna Vedda, Akira Yoshikawa

研究成果: Article査読

27 被引用数 (Scopus)

抄録

Single crystals of Csl, CsI:TI, and CsI:TI, Bi were grown by the vertical Bridgman method. We studied the effect of Bi 3+ codoping on the CsI:TI X-ray-induced afterglow. Thermally stimulated luminescence measurements were carried out in order to investigate the role of traps. The results showed a remarkable reduction of afterglow, of about an order of magnitude, and of trap concentration by Bi codoping. These improvements could be related to a possible role of Bi in the compensation of intrinsic nonstoichiometry defects.

本文言語English
論文番号052601
ジャーナルApplied Physics Express
5
5
DOI
出版ステータスPublished - 2012 5

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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