期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 140, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.inoche.2022.109482
关键词
Decomposition; Fluorine; Hexafluoridorhenate(IV); Rhenium dioxide; Thermal analysis
资金
- Department of Energy/National Nuclear Security Administration [DE-NA0003948]
- Department of Energy National Nuclear Security Administration through the Nuclear Science and Security Consortium [DE- NA0003180]
- Lawrence Livermore National Laboratory (LLNL) [DE-AC52 07NA27344]
The thermal behavior of (NH4)(2)[ReF6] was studied using TGA and DSC, revealing a single step decomposition and two exothermic peaks. PXRD analysis showed the presence of a mixed ReO2 phase. XRD peak broadenings were used to evaluate crystallite size and lattice strain.
The thermal behavior of (NH4)(2)[ReF6] was evaluated in an alumina crucible using simultaneous thermal gravimetric analysis (TGA) and differential scanning calorimetry (DSC) in an argon atmosphere. The TGA of (NH4)(2)[ReF6] is characterized by a single step decomposition while the DSC exhibits two exothermic peaks. Powder X-ray diffraction (PXRD) analyses of the decomposition products show the presence of a mixed ReO2 phase. The formation of ReO2 is driven by the reaction of (NH4)(2)[ReF6] with Al2O3 at the grain boundary of the alumina crucible. XRD peak broadenings due to the combined effect of crystallite size and lattice strain were evaluated using both Scherrer and Williamson-Hall methods.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据
分享论文
