| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Microstructure and Magnetic Domains of Iron Films on Liquid Surfaces |
| XIE Jian-Ping, XIA A-Gen, ZHANG Chu-Hang, YANG Bo, FANG Zheng-Nong, YE Gao-Xiang |
| Department of Physics, Zhejiang University, Hangzhou 310027 |
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| Cite this article: |
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XIE Jian-Ping, XIA A-Gen, ZHANG Chu-Hang et al 2009 Chin. Phys. Lett. 26 117501 |
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Abstract Iron (Fe) films with a thickness ranging from 1.0nm to 80.0nm are deposited on silicone oil surfaces by a vapor phase deposition method. The films with a thickness of d<2.0nm do not exhibit planar morphology but ramified aggregates instead. Magnetic force microscopy studies for the Fe films (10.0nm≤d ≤80.0nm) show that the domain wall structure is widespread and irregularly shaped and the oscillation phase shift ∆ θ, which records as the magnetic force image, changes from 0.29° to 0.81°. Correspondingly, the magnetic force gradient varies from 1.4×10-3 to 4.0×10-3 N/m, respectively. In our measurement, the characteristic domain walls, such as Bloch walls, Néel walls and cross-tie walls, are not observed in the film system clearly.
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| Keywords:
75.70.Kw
75.70.-i
75.75.-a
68.37.Rt
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Received: 03 July 2009
Published: 30 October 2009
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| PACS: |
75.70.Kw
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(Domain structure (including magnetic bubbles and vortices))
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75.70.-i
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(Magnetic properties of thin films, surfaces, and interfaces)
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75.75.-a
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68.37.Rt
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(Magnetic force microscopy (MFM))
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