Doubly doped BaY2F8:Er,Nd VUV scintillator

Jan Pejchal, Martin Nikl, Kentaro Fukuda, Noriaki Kawaguchi, Takayuki Yanagida, Yuui Yokota, Akira Yoshikawa, Vladimir Babin

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Doubly doped BaY2F8:Er,Nd scintillation crystals were grown by modified micro-pulling-down method. The Er co-doping was chosen to enhance the energy transfer from the host lattice to the Nd3+ luminescence center via the 5d-levels of Er3+, which can be enabled by the overlap of Er3+ 5d-4f emission spectrum with the Nd 3+ 4f-5d absorption. The energy transfer was clearly evidenced in the BaY2F8:Er,Nd. The processes are complicated by energy migration to killer centres and/or cross-relaxation processes. The luminescence and energy transfer mechanism are discussed.

Original languageEnglish
Pages (from-to)265-267
Number of pages3
JournalRadiation Measurements
Volume45
Issue number3-6
DOIs
Publication statusPublished - 2010 Mar 1

Keywords

  • Codoping
  • Energy transfer
  • Luminescence
  • Rare-earth fluorides
  • Scintillators

ASJC Scopus subject areas

  • Radiation
  • Instrumentation

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