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Improvement of CdMnTe Detector Performance by MnTe Purification

机译:MnTe纯化提高CdMnTe检测器性能

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摘要

Residual impurities in manganese (Mn) are a big obstacle to obtaining high- performance CdMnTe (CMT) X-ray and gamma-ray detectors. Generally, the zone-refining method is an effective way to improve the material's purity. In this work, we purified the MnTe compounds combining the zone-refining method with molten Te that has a very high solubility. We confirmed the improved purity of the material by glow-discharge mass spectrometry (GDMS). We also found that CMT crystals from a multiple refined MnTe source, grown by the vertical Bridgman method, yielded better performing detectors.
机译:锰(Mn)中的残留杂质是获得高性能CdMnTe(CMT)X射线和伽马射线探测器的主要障碍。通常,区域细化方法是提高材料纯度的有效方法。在这项工作中,我们结合了区域精炼方法和具有很高溶解度的熔融Te来纯化MnTe化合物。我们通过辉光放电质谱法(GDMS)确认了材料纯度的提高。我们还发现,通过垂直Bridgman方法生长的来自多种精制MnTe源的CMT晶体产生了性能更好的检测器。

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  • 来源
  • 会议地点 San Francisco CA(US);San Francisco CA(US)
  • 作者单位

    Brookhaven National Laboratory, Upton, NY 11973, USA;

    Brookhaven National Laboratory, Upton, NY 11973, USA;

    Brookhaven National Laboratory, Upton, NY 11973, USA;

    Brookhaven National Laboratory, Upton, NY 11973, USA;

    Brookhaven National Laboratory, Upton, NY 11973, USA;

    Brookhaven National Laboratory, Upton, NY 11973, USA;

    Brookhaven National Laboratory, Upton, NY 11973, USA;

    Brookhaven National Laboratory, Upton, NY 11973, USA;

    Brookhaven National Laboratory, Upton, NY 11973, USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 功能材料;
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