1. Luminescence Mechanism in Doubly Doped LaF3:Er,Nd VUV Scintillator.
- Author
-
Pejchal, Jan, Nikl, Martin, Fukuda, Kentaro, Kawaguchi, Noriaki, Yanagida, Takayuki, Yokota, Yuui, Yoshikawa, Akira, and Babin, Vladimir
- Subjects
LUMINESCENCE ,LANTHANUM ,FAR ultraviolet radiation ,SCINTILLATORS ,ENERGY transfer ,FLUORIDES - Abstract
Doubly doped LaF
3 :Er, Nd scintillation crystals were grown by modified micropulling-down method. The Er codoping 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 Nd3+ 4f-5d absorption. However, no relevant energy transfer was found by photo- and radioluminescence spectra measurements. The reasons of no significant positive effect of Er codoping are discussed. [ABSTRACT FROM AUTHOR]- Published
- 2010
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