Three-dimensional visualization of magnetic domain structure with strong uniaxial anisotropy via scanning hard X-ray microtomography
An X-ray tomographic technique was developed to investigate the internal magnetic domain structure in a micrometer-sized ferromagnetic sample. The technique is based on a scanning hard X-ray nanoprobe using X-ray magnetic circular dichroism (XMCD). From transmission XMCD images at the Gd L3 edge as...
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          | Published in | Applied physics express Vol. 11; no. 3; pp. 36601 - 36604 | 
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| Main Authors | , , , , , , , , , , , , , , | 
| Format | Journal Article | 
| Language | English | 
| Published | 
            The Japan Society of Applied Physics
    
        01.03.2018
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| Online Access | Get full text | 
| ISSN | 1882-0778 1882-0786 1882-0786  | 
| DOI | 10.7567/APEX.11.036601 | 
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| Abstract | An X-ray tomographic technique was developed to investigate the internal magnetic domain structure in a micrometer-sized ferromagnetic sample. The technique is based on a scanning hard X-ray nanoprobe using X-ray magnetic circular dichroism (XMCD). From transmission XMCD images at the Gd L3 edge as a function of the sample rotation angle, the three-dimensional (3D) distribution of a single component of the magnetic vector in a GdFeCo microdisc was reconstructed with a spatial resolution of 360 nm, using a modified algebraic reconstruction algorithm. The method is applicable to practical magnetic materials and can be extended to 3D visualization of the magnetic domain formation process under external magnetic fields. | 
    
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| AbstractList | An X-ray tomographic technique was developed to investigate the internal magnetic domain structure in a micrometer-sized ferromagnetic sample. The technique is based on a scanning hard X-ray nanoprobe using X-ray magnetic circular dichroism (XMCD). From transmission XMCD images at the Gd L3 edge as a function of the sample rotation angle, the three-dimensional (3D) distribution of a single component of the magnetic vector in a GdFeCo microdisc was reconstructed with a spatial resolution of 360 nm, using a modified algebraic reconstruction algorithm. The method is applicable to practical magnetic materials and can be extended to 3D visualization of the magnetic domain formation process under external magnetic fields. | 
    
| Author | Ishibashi, Mio Suzuki, Motohiro Ono, Teruo Hirata, Yuushou Yoshikawa, Hiroki Tono, Takayuki Yamada, Kihiro T. Mizuno, Hayato Kim, Sanghoon Oda, Kent Kim, Kab-Jin Tsukamoto, Arata Li, Tian Chiba, Daichi Taniguchi, Takuya  | 
    
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| Title | Three-dimensional visualization of magnetic domain structure with strong uniaxial anisotropy via scanning hard X-ray microtomography | 
    
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