Xie Jian-Ping et al 2009 Chinese Phys. Lett. 26 117501 doi:10.1088/0256-307X/26/11/117501
Microstructure and Magnetic Domains of Iron Films on Liquid Surfaces
Xie Jian-Ping, Xia A-Gen, Zhang Chu-Hang, Yang Bo, Fang Zheng-Nong and Ye Gao-Xiang
Show affiliationsCONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES
Iron (Fe) films with a thickness ranging from 1.0 nm to 80.0 nm are deposited on silicone oil surfaces by a vapor phase deposition method. The films with a thickness of d < 2.0 nm do not exhibit planar morphology but ramified aggregates instead. Magnetic force microscopy studies for the Fe films (10.0 nm ≤ d ≤ 80.0 nm) show that the domain wall structure is widespread and irregularly shaped and the oscillation phase shift Δθ, 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.
- PACS
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75.70.Kw Domain structure (including magnetic bubbles)
68.55.A- Nucleation and growth
68.37.Rt Magnetic force microscopy (MFM)
- Subjects
- Dates
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Issue 11 (November 2009)
Received 3 July 2009
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Microstructure and Magnetic Domains of Iron Films on Liquid Surfaces
Xie Jian-Ping et al 2009 Chinese Phys. Lett. 26 117501
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