| Moessbauer Investigation of the Ferromagnetic Coupling in Copper-Iron Polycyanides |
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| 作者姓名： | 何云 戴耀东 黄红波 A.M.Ali 林俊 余智 夏元复 |
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| 作者单位： | [1]DepartmentofPhysics,NanjingUniversity,Nanjing210093 [2]CollegeofMaterialScienceandEngineering,NanjingUniversityofAeronauticsandAstronautics,Nanjing210016 [3]InstituteofCoordinationChemistry,NanjingUniversity,Nanjing210093 [4]Towhomcorrespondenceshouldbeaddressed.,NanjingUniversity,Nanjing210093 |
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| 摘 要： | One of the Prussian blue analogs, molecular magnet Cu3^Ⅲ [Fe^Ⅲ (CN)6]2.11.6H2 O, was investigated by Moessbauer spectroscopy. It was found that transition temperature was around Tc = 18.5 K from paramagnetic phase to ferromagnetic phase. The β value of the critical exponent is around 0.338 at magnetic ordering temperature.Therefore, the ferromagnetic coupling interaction of Cu-Fe cyanide could be clearly explained by spin wave theory.
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| 关 键 词： | Moessbauer调查 铁磁体 磁性材料 铁磁耦合 铜铁聚氰化物 铁磁相 分子磁性 |
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