LUMINESCENT PROPERTIES OF Li_2B_4O_7 (LTB) POLYCRYSTALS AT THE DEVIATION FROM STOICHIOMETRY

机译：化学计量法中Li_2B_4O_7（LTB）多晶体的发光性质

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An analysis of literature data, shows that the more widespread use of polycrystalline Li_2B_4O_7 (LTB) based dosimetric materials is restricted by irreproducibility of the parameters of samples from different technological batches. In our opinion, one of the most essential causes of this irreproducibility is a deviation from the stoichiometric Li_2B_4O_7 composition. This may arise when during synthesis, due to a high hygroscopicity of the initial substances, weighing errors and incongruent evaporation of components during synthesis. However, no studies of the influence of this deviation on the LTB luminescent properties have yet been carried out. In this work, the influence of deviations from stoichiometry on the X-ray luminescent (XL) spectra, and on the intensities and temperatures of maxima in the thermostimulated luminescence (TSL) curves, has been studied.

机译：对文献数据的分析表明，基于多晶Li_2B_4O_7（LTB）的剂量学材料的更广泛使用受到不同工艺批次样品参数的不可复制性的限制。我们认为，造成这种不可重复性的最根本原因之一是偏离了化学计量的Li_2B_4O_7组成。当在合成过程中，由于初始物质的高吸湿性，称重误差和合成过程中成分的不均匀蒸发，可能会出现这种情况。然而，尚未进行关于该偏差对LTB发光性能的影响的研究。在这项工作中，已经研究了化学计量偏差对X射线发光（XL）光谱以及热刺激发光（TSL）曲线中最大值的强度和温度的影响。

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《NATO Advanced Study Institute on Photovoltaic and Photoactive Materials - Properties, Technology and Applications Sep 9-21, 2001 Sozopol, Bulgaria》|2001年|p.297-300|共4页
会议地点 Sozopol(BG)
作者
B.M. HUNDA; A.M. SOLOMON; V.M. HOLOVEY; T.V. HUNDA; P.P. PUGA; R.T. MARIYCHUK;
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Institute of Electron Physics, Ukrainian NAS, 21 Universitetska St., Uzhgorod 88000, Ukraine;

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原文格式 PDF
正文语种 eng
中图分类无线电电子学、电信技术;
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LUMINESCENT PROPERTIES OF Li_2B_4O_7 (LTB) POLYCRYSTALS AT THE DEVIATION FROM STOICHIOMETRY

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