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钆对K7CrMnW11O39配合物的热扩渗及其导电性研究

ISSN号：0258-7076
期刊名称：《稀有金属》
时间：0
分类：O614.33[理学—无机化学;理学—化学]
作者机构：[1]哈尔滨师范大学化学系,黑龙江哈尔滨150080, [2]哈尔滨理工大学化学与环境工程学院,黑龙江哈尔滨150040
相关基金：国家自然科学基金（20371014）;黑龙江教育厅科研项目（10531070）和哈尔滨市学科后备带头人基金（2002AFXXJ050）资助

关键词：钆, 杂多配合物, 热扩渗, 电导率, Gd, heteropoly complexes, thermal diffusing permeation, conductivity

中文摘要：

采用直接法合成了K7CrMnW11039，利用固-气界面反应，研究了Gd对所合成样品的热扩渗。利用IR，XRD，TG-DTA对扩渗前后样品的结构进行了表征。结果表明，经稀土扩渗后，其Keggin结构已被破坏，生成了新相。测试了扩渗前后样品的电导率，扩渗后样品的电导率为扩渗前样品电导率的1×10^4倍。

英文摘要：

K7CrMnW11O39 was synthesized in a direct method and thermal diffusing permeation of Gd to the sample was studied with the solid-gas interface reaction. The structure of the sample was characterized by IR, XRD and TG-DTA before and after diffusing permeation. The results show that Keg, gin structure is broken and transfers to a new phase after thermal diffusing permeation of rare earth elements. Conductivity of samples after diffusing permeation is 1×10^4 times higher than that of samples before diffusing permeation.

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