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首页> 外文期刊>Journal of Crystal Growth >The growth and scintillation properties of Cs_2NaCeCl_6 single crystal
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The growth and scintillation properties of Cs_2NaCeCl_6 single crystal

机译:Cs_2NaCeCl_6单晶的生长和闪烁特性

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摘要

In this paper, we report on the improved scintillation properties of Cs_2NaCeCl_6 crystal. The Cs_2NaCeCl_6 crystal was grown by the Czochralski technique in the dimensions of Θ10×4 mm~3. X-ray excited luminescence measurements of the Cs_2NaCeCl_6 crystal showed a doublet emission spectrum in the wavelength range from 370 to 440 nm, peaking at 380 and 410 nm. An energy resolution (FWHM of peak position) for the 662-keV full energy peak of 8.3% was observed at room temperature. The scintillation properties were studied by using different gamma ray sources. We measured an absolute light yield of 20,000 photons/MeV of absorbed y-ray energy. The crystal shows three main scintillation decay time components of 91 ns (36%), 601 ns (33%) and 3.2 μs (31%). The results show a good proportionality for light output versus y-ray energy. The light output deviates from the linear response of 8% between the measured range of energy.
机译:在本文中,我们报告了Cs_2NaCeCl_6晶体的改进的闪烁特性。用切克劳斯基技术生长了Cs_2NaCeCl_6晶体,尺寸为Θ10×4 mm〜3。 Cs_2NaCeCl_6晶体的X射线激发发光测量显示在370至440 nm波长范围内的双峰发射光谱,在380和410 nm处达到峰值。在室温下,观察到662keV全能量峰的能量分辨率(峰位置的FWHM)为8.3%。通过使用不同的伽马射线源研究了闪烁特性。我们测量了20,000光子/ MeV吸收的y射线能量的绝对光输出。晶体显示出三个主要的闪烁衰减时间分量,分别为91 ns(36%),601 ns(33%)和3.2μs(31%)。结果表明,光输出与y射线能量成正比。在测得的能量范围之间,光输出偏离8%的线性响应。

著录项

  • 来源
    《Journal of Crystal Growth》 |2009年第8期|2470-2473|共4页
  • 作者单位

    Department of Physics, Kyungpook National University, Daegu 702-701, Republic of Korea;

    Department of Physics, Kyungpook National University, Daegu 702-701, Republic of Korea;

    Department of Physics, Kyungpook National University, Daegu 702-701, Republic of Korea;

    Department of Physics, Kyungpook National University, Daegu 702-701, Republic of Korea;

    Department of Radiology Technology, Daegu Health College, Daegu 702-701, Republic of Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A1. Energy resolution; A2. Czochralski method; B2. Light yield; B3. Scintillators;

    机译:A1。能量分辨率;A2。直拉法;B2。发光量B3。闪烁体;

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