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Synthesis of TlBr powder for preparation of room temperature radiation detectors by co-precipitation method

机译：共沉淀法合成用于室温辐射探测器的TlBr粉

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摘要

The thallium bromide (TlBr) powder, which is used for TIBr single crystal preparation of room temper ature radiation detectors, is synthesized from thallium nitrate (TlNO_3) and hydrobromic acid (HBr) by co-precipitation at room temperature. The phase of the obtained powder is identified by the powder X-ray diffraction (XRD) pattern. Morphology by scanning electron microscope (SEM) characterization illustrates that the powder is uniform with no agglomeration. The influences of experimental parame ters, such as the drying temperature, the concentration of the hydrobromic acid and the reactants mol ratio on the Tl/Br ratio of the TIBr powder were studied, for a better control of Tl/Br ratio in the resultant powder. The multiplex side reactions and the van't Hoff equation are employed to analyze the phenomena. Linear relationship is established between the mol ratio of reactants and the Tl/Br ratio in obtained TIBr powder.
机译：室温下共沉淀由硝酸th（TlNO_3）和氢溴酸（HBr）合成的溴化th（TlBr）粉末，用于TIBR单晶制备室温辐射探测器。所获得的粉末的相通过粉末X射线衍射（XRD）图案来识别。通过扫描电子显微镜（SEM）表征的形态表明该粉末是均匀的，没有团聚。研究了干燥温度，氢溴酸浓度和反应物摩尔比等实验参数对TIBr粉体Tl / Br比的影响，以更好地控制所得粉体中Tl / Br比。 。多重副反应和范霍夫方程被用来分析这种现象。在获得的TIBr粉末中，反应物的摩尔比与T1 / Br比之间建立线性关系。

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  • 来源
    《Materials Science and Engineering》 |2010年第1期|p.65-69|共5页
  • 作者

    Lin Quan; Shuping Gong; Jianqiao Liu; Fang Meng; Dongxiang Zhou; Jing Wang;

  • 作者单位

    Department of Electronic Science and Technology, Huazhong University of Science and Technology, Luoyu Road 1037, Hongshan District Wuhan, Hubei 430074, PR China;

    rnDepartment of Electronic Science and Technology, Huazhong University of Science and Technology, Luoyu Road 1037, Hongshan District Wuhan, Hubei 430074, PR China;

    rnDepartment of Electronic Science and Technology, Huazhong University of Science and Technology, Luoyu Road 1037, Hongshan District Wuhan, Hubei 430074, PR China;

    rnDepartment of Electronic Science and Technology, Huazhong University of Science and Technology, Luoyu Road 1037, Hongshan District Wuhan, Hubei 430074, PR China;

    rnDepartment of Electronic Science and Technology, Huazhong University of Science and Technology, Luoyu Road 1037, Hongshan District Wuhan, Hubei 430074, PR China;

    rnDepartment of Electronic Science and Technology, Huazhong University of Science and Technology, Luoyu Road 1037, Hongshan District Wuhan, Hubei 430074, PR China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    thallium bromide; powder; synthesis; X-ray detector;

    机译：溴化;粉末;合成;X射线探测器;

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