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Synthesis and magnetic properties of Mn-doped ZnO nanorods via radio frequency plasma deposition |
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| Authors: | Z.F. Wu X.M. Wu L.J. Zhuge B. Hong X.M. Yang X.M. Chen Q. Chen |
| Affiliation: | a School of Physics Science and Technology, Soochow University, Suzhou 215006, China b Yancheng Institute of Technology, Yancheng 224003, China c Analysis and Testing Center, Soochow University, Suzhou 215006, China d Jiangsu Key Laboratory of Thin Films, Soochow University, Suzhou 215006, China e Beijing Institute of Graphic Communication, Beijing 102600, China |
| Abstract: | Well-aligned Mn-doped ZnO nanorods were synthesized by simple radio frequency (RF) plasma deposition in the absence of extra catalysts. The synthesized nanorods having a typical average diameter of about 25 nm, were about 310 nm in length and well-aligned along the normal direction of the substrate. Magnetic measurements indicate that the nanorods are ferromagnetic at room temperature (RT). The presence of considerable shallow donor defects in the nanorods does allow possible defect mediated mechanisms (e.g., bound magnetic polarons) for mediating exchange coupling of the dopant Mn ions resulting in RT ferromagnetism. |
| Keywords: | Mn-doped ZnO Nanomaterials Magnetic materials |
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