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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Titanium effect on the thermoluminescence and optically stimulated luminescence of Ti,Mg:α-Al_2O_3 transparent ceramics
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Titanium effect on the thermoluminescence and optically stimulated luminescence of Ti,Mg:α-Al_2O_3 transparent ceramics

机译：钛对Ti，Mg：α-Al_2O_3透明陶瓷的热致发光和光激发发光的影响

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摘要

Ti,Mg:α-Al_2O_3 transparent ceramics were successfully fabricated by conventional sintering process under vacuum condition. The SEM micrographs showed that TiO_2 effectively inhibited excessive grain growth of Ti,Mg:α-Al_2O_3 transparent ceramics as sintering proceeds. The fluorescence spectra, thermoluminescence and optically stimulated luminescence of Ti,Mg:α-Al_2O_3 transparent ceramics were compared to its single crystals. The influence of different content of TiO_2 on the thermoluminescence and optically stimulated luminescence of Ti,Mg:α-Al_2O_3 transparent ceramics were studied. The results showed that the thermoluminescence peaks began to shift to lower temperature with increasing content of TiO_2, and the intensity of thermoluminescence peaks increased. The integral luminous areas of OSL curves increased with the increasing content of TiO_2.
机译：通过常规烧结工艺在真空条件下成功制备了Ti，Mg：α-Al_2O_3透明陶瓷。 SEM照片显示，随着烧结的进行，TiO_2有效地抑制了Ti，Mg：α-Al_2O_3透明陶瓷的过度晶粒生长。将Ti，Mg：α-Al_2O_3透明陶瓷的荧光光谱，热致发光和光激发发光与单晶进行了比较。研究了不同含量的TiO_2对Ti，Mg：α-Al_2O_3透明陶瓷的热致发光和光致发光的影响。结果表明，随着TiO_2含量的增加，热致发光峰开始向较低温度移动，热致发光峰的强度增加。 OSL曲线的整体发光面积随TiO_2含量的增加而增加。

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