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Co[Fe(CN)_5NO]·5H_2O的磁性研究

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摘要 合成了氰根桥联配合物Co[Fe(CN)5NO].5H2O,使用元素分析、热重分析、红外光谱、XRD对配合物进行了表征。红外光谱显示金属离子通过氰根桥联即FeII-CN-NiII传递磁相互作用,是属于桥式氰根配体的CN伸缩振动,而粉末XRD衍射图表明此化合物为面心立方体结构(FCC),空间群为Fm3m(225),晶格常数a=10.2856。通过对该配合物的直流变温磁化率和交流磁化率测定表明金属离子通过氰根传递弱反铁磁作用,根据Curie-Weiss定律,拟合数据获得居里常数C=1.55cm3·K/mol,顺磁居里温度θ=-1.87K。
出处 《广西物理》 2008年第2期16-18,共3页 Guangxi Physics
基金 国家自然科学基金资助项目(20461001) 广西自然科学基金资助项目(0447029)
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