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Correlation of the activation volume with the crystallite size in λ-Fe2O3 and Co-modified λ-Fe2O3 fine particles |
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| Authors: | X.P. Zhong G.H. Wang H.L. Luo |
| Affiliation: | State Key Lab. of Magn., Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China |
| Abstract: | The activation volume and the crystallite size λ-Fe2O3 and Co-modified λ-Fe2O3 particles have been determined. For fixed particle volume the variation tendencies of the activation volume and crystallite size are the same. It seems to be that the crystallite size influences the activation volume in these materials. |
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