Electron Holographic Interference Micrograph of a Single Magnetic-Domain Particle.
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- Hirayama Tsukasa
- Tonomura Electron Wavefront Project, ERATO Research Development Corporation of Japan, P. O. Box 5, Hatoyama, Saitama 350–03, Japan
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- Osakabe Nobuyuki
- Tonomura Electron Wavefront Project, ERATO Research Development Corporation of Japan, P. O. Box 5, Hatoyama, Saitama 350–03, Japan
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- Ru Qingxin
- Tonomura Electron Wavefront Project, ERATO Research Development Corporation of Japan, P. O. Box 5, Hatoyama, Saitama 350–03, Japan
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- Tanji Takayoshi
- Tonomura Electron Wavefront Project, ERATO Research Development Corporation of Japan, P. O. Box 5, Hatoyama, Saitama 350–03, Japan
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- Tonomura Akira
- Tonomura Electron Wavefront Project, ERATO Research Development Corporation of Japan, P. O. Box 5, Hatoyama, Saitama 350–03, Japan
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抄録
Electron interference micrographs of a single magnetic-domain particle of barium ferrite are obtained experimentally and theoretically. In the experiment, a hologram of the particle with size about 1 µ m is recorded on film and the phase distribution of the object electron wave is reconstructed digitally by the Fourier transform method. In the theoretical calculation, the phase distribution is obtained by integrating the vector potential around the particle along the electron path, assuming that the particle is spherical and is in the single-domain state. The above two phase distributions are converted to interference micrographs where magnetic flux lines are observed, and compared with each other. The theoretically calculated result agrees well with the experimental one, proving that the particle is in the single-domain state.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 34 (6A), 3294-3297, 1995
The Japan Society of Applied Physics
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詳細情報
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- CRID
- 1390001206245512704
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- NII論文ID
- 210000037491
- 110003904413
- 130004521554
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- NII書誌ID
- AA10457675
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- ISSN
- 13474065
- 00214922
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可