| Original Articles |
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Mössbauer Evidence for Ferromagnetic Ordering in Copper-Iron
Cyanometallates |
| XIA Yuan-Fu1;YU Zhi2;SONG Yong2;HUANG Hong-Bo1;YOU Xiao-Zeng2;X. Z. Zhou3;Z. W. Li3;H. P. Kunkel3;Gwyn Williams3 |
| 1Deptment of Physics, Nanjing University, Nanjing 210093
2State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093
3Deptment of Physics, University of Manitoba, Winnipeg R3T2N2, Canada
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| Cite this article: |
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XIA Yuan-Fu, YU Zhi, SONG Yong et al 2002 Chin. Phys. Lett. 19 595-598 |
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Abstract A novel member of the Prussian blue family, CuII3 [FeIII (CN)6]2.3NH3.6H2O, was synthesized, in which NH3 ligands are in stochastic distribution. X-ray diffraction data, zero-field-cooled magnetization and field-cooled magnetization curves, Mössbauer spectra with/without an external field of 5 T and a structural model are presented. This Prussian blue analog displays considerable magnetic hardness below the magnetic transition temperature Tc, which is about 19.8 K. The coercive field determined from the magnetization hysteresis loop at 5 K was 2.76 kOe. The copper-iron cyanometallates have potential applications in the design of novel magnetic systems.
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| Keywords:
82.80.Ej
75.50.Dd
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Published: 01 April 2002
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| PACS: |
82.80.Ej
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(X-ray, M?ssbauer, and other γ-ray spectroscopic analysis methods)
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75.50.Dd
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(Nonmetallic ferromagnetic materials)
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