| Synthesis and magnetic properties of CdS/α-Fe_2O_3 hierarchical nanostructures |
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| 基金项目： | Supported by the National Natural Science Foundation of China (Grant Nos 50772025 and 50872159);;the Ministry of Science and Technology of China (Grant No 2008DFR20420);;the China Postdoctoral Science Foundation (Grant Nos 20060400042 and 200801044);;the Natural Science Foundation of Heilongjiang Province, China (Grant No F200828);;the Specialized Research Fund for the Doc-toral Program of Higher Education of China (Grant No 20070217002);;the Innovation Foundation of Harbin City (Grant No RC2... |
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| 摘 要： | CdS/α-Fe2O3 hierarchical nanostructures, where the CdS nanorods grow irregularly on the side surface of α-Fe2O3 nanorods, were synthesized via a three-step process. The diameters and lengths of CdS nanorods can be tuned by changing the ethylenediamine (EDA) and Cd ion concentrations. The magnetic investigations by superconducting quantum interference device indicate that the hierarchical nanostructures have an Morin transition at lower temperature (230 K) than that of the single bulk α-Fe2O3 materials (263 ...
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| 关 键 词： | α-Fe2O3 CdS hierarchical nanostructures magnetic properties |
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