Tritium release in Li₄SiO₄ and Li_4.2Si_0.8Al_0.2O₄ ceramics

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• 作者：Linjie Zhao ; ^{zhaolinjie1989@163.com" class="auth_mail" title="E-mail the corresponding author} ; Xinggui Long ; ^{xingguil@caep.cn" class="auth_mail" title="E-mail the corresponding author} ; Shuming Peng ; ^{pengshuming@caep.cn" class="auth_mail" title="E-mail the corresponding author} ; Xiaojun Chen ; Chengjian Xiao ; Guangming Ran ; Jiamao Li
• 刊名：Journal of Nuclear Materials
• 出版年：2016
• 出版时间：15 December 2016
• 年：2016
• 卷：482
• 期：Complete
• 页码：42-46
• 全文大小：1041 K

文摘

Li_4+xSi_1−xAl_xO₄ solid solution materials, which were designed as the advanced tritium breeders, were obtained by indirect solid state reactions. The behaviors of tritium release from Li₄SiO₄ and Li_4.2Si_0.8Al_0.2O₄ powders were investigated by temperature programmed desorption. The tritium release curves show different characteristics for the Li₄SiO₄ and Li_4.2Si_0.8Al_0.2O₄ ceramics. The main tritium release peak in the Li₄SiO₄ and Li_4.2Si_0.8Al_0.2O₄ powders is at approximately 600 °C after a high dose irradiation. Moreover, the temperature of the tritium release from Li_4.2Si_0.8Al_0.2O₄ was lower than that of the release from Li₄SiO₄. This suggests a possible advantage to using the solid solutions as the advanced tritium breeding materials.