Magnetic Microstructures of PryFe90-yB10 (y = 8-11.76) Nanocrystalline Ribbons Using Magnetic Force Microscopy

庞智勇; 方以坤; 张晃伟; 韩圣浩; 韩宝善; 张文成

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Magnetic Microstructures of PryFe90-yB10 (y = 8-11.76) Nanocrystalline Ribbons Using Magnetic Force Microscopy

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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 using a magnetic force microscope.The magnetic domains are characterized by dark areas adjacent to 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.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 very consistent with the curve of the residualinduction Brversus the content y.

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《中国物理快报：英文版》 |2003年第11期|2033-2035|共3页
作者
庞智勇; 方以坤; 张晃伟; 韩圣浩; 韩宝善; 张文成;
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School of Physics and Microelectronics,State Key Laboratory of Crystal Materials,Shandong University,Jinan 250100;

State Key Laboratory of Magnetism,Institute of Physics and Center for Condensed Matter Physics,Chinese Academy of Sciences,Beijing 100080;

Department of Physics,Chung Cheng University,Ming-Hsiung,Chis- Yi;

School of Physics and Microelectronics,State Key Laboratory of Crystal Materials,Shandong University,Jinan 250100;

State Key Laboratory of Magnetism,Institute of Physics and Center for Condensed Matter Physics,Chinese Academy of Sciences,Beijing 100080;

Department of Physics,Chung Cheng University,Ming-Hsiung,Chis- Yi;

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Magnetic Microstructures of PryFe90-yB10 (y = 8-11.76) Nanocrystalline Ribbons Using Magnetic Force Microscopy

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