Magnetic domain states in nano-sized Co nuclei electrodeposited onto monocrystalline silicon |
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| Affiliation: | 1. School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China;2. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;3. Zhuhai Founder Sci-Tech High-density Electronics Co., Ltd & Zhuhai Founder Sci-Tech multilayer circuit board Co., Ltd, Zhuhai 519175, China;4. Interuniversity Microelectronics Centre, Kapeldreef 75, B-3001 Leuven, Belgium |
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| Abstract: | In the present work, nano-sized magnetic nuclei of Co have been electrodeposited onto p-Si (111). The deposition follows a mechanism of progressive nucleation and growth controlled by diffusion. MFM studies showed that the transition between magnetic domain states is strongly dependent on the size and shape of the nuclei. A critical height h0 is defined below which the nuclei presented always a single-domain configuration. The limiting lower boundary for the single-domain state calculated from the theory is quantitatively coincident with the experimental results. |
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