Chin. Phys. Lett.  2003, Vol. 20 Issue (11): 2033-2035    DOI:
Original Articles |
Magnetic Microstructures of PryFe90-yB10(y = 8-11.76) Nanocrystalline Ribbons by Using Magnetic Force Microscopy
PANG Zhi-Yong1;FANG Yi-Kun2;CHANG Huang-Wei3;HAN Sheng-Hao1;HAN Bao-Shan2;CHANG Wen-Cheng3
1School of Physics and Microelectronics, State Key Laborotary of Crystal Materials, Shandong University, Jinan 250100 2State Key Laboratory of Magnetism, Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080 3Department of Physics, Chung Cheng University, Ming-Hsiung, Chia-Yi
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PANG Zhi-Yong, FANG Yi-Kun, CHANG Huang-Wei et al  2003 Chin. Phys. Lett. 20 2033-2035
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Abstract Magnetic microstructure of melt-spun PryFe90-yB10 (y = 8, 8.5, 9, 9.5, 10 and 11.76) nanocrystalline ribbons in an as-grown state has been studied by using a magnetic force microscope. The magnetic domains are characterized by dark areas adjacent with bright areas in a sub-micron scale and in random distribution. By comparing with the size of the micro-crystals measured from the TEM image, the exchange coupling effect was confirmed to exist in all the ribbons. By using the roughness analysis, the variation of the root mean square values of the phase shifts obtained from the magnetic force images versus the content y of Pr were measured, which is well consistent with the curve of the residual induction Br versus the content y.
Keywords: 75.60.Ch      75.50.Tt      75.30.Et      07.79.Pk     
Published: 01 November 2003
PACS:  75.60.Ch (Domain walls and domain structure)  
  75.50.Tt (Fine-particle systems; nanocrystalline materials)  
  75.30.Et (Exchange and superexchange interactions)  
  07.79.Pk (Magnetic force microscopes)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I11/02033
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PANG Zhi-Yong
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CHANG Huang-Wei
HAN Sheng-Hao
HAN Bao-Shan
CHANG Wen-Cheng
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