LiF/CaF2/LiBaF3 ternary fluoride eutectic scintillator

LiF/CaF2/LiBaF3 ternary fluoride eutectic scintillator
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LiF/CaF2/LiBaF3 三元氟化物共晶闪烁体

DOI:
10.7567/jjap.54.04dh04
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发表时间:
2015
影响因子:
1.5
通讯作者:
A. Yoshikawa
A. Yoshikawa
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Kosuke Hishinuma;K. Kamada;S. Kurosawa;A. Yamaji;J. Pejchal;Y. Yokota;Y. Ohashi;A. Yoshikawa

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采用µ-PD法生长了LiF/CaF 2/LiBaF 3三元共晶晶体。在凝固的共晶中,各相沿横向均匀分布,并沿沿着排列。对于Eu掺杂的样品,在425 nm处观察到的预期发射峰归因于在X射线激发下Eu:CaF 2的Eu 2 + 5d-4f跃迁。LiF/CaF 2/LiBaF 3三元共晶晶体的光产额约为7,000光子/中子,衰减时间为260 ns(73.6%)和50 ns(26.4%)。
LiF/CaF2/LiBaF3 ternary eutectic scintillators were grown by the µ-PD method. In the solidified eutectic the phases were uniformly distributed in the transverse direction and aligned along the growth direction. For the Eu-doped samples, the expected emission peak observed at 425 nm was ascribed to Eu2+ 5d–4f transition from Eu:CaF2 under X-ray excitation. The LiF/CaF2/LiBaF3 ternary eutectic scintillators showed a light yield around 7,000 photons/neutron and decay time of 260 ns (73.6%) and 50 ns (26.4%).
DOI: 10.1007/s13632-013-0072-x
发表时间: 2013
期刊: Metallography, Microstructure, and Analysis
影响因子: --
作者:
A. Dennstedt;L. Ratke;A. Choudhury;B. Nestler
通讯作者: B. Nestler