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Development of Mössbauer diffractometer by using nuclear resonant scattering at SPring-8 BL11XU
https://repo.qst.go.jp/records/47978
https://repo.qst.go.jp/records/479781d5a9d71-1128-4728-820e-bcc122835a28
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2017-05-23 | |||||
| タイトル | ||||||
| タイトル | Development of Mössbauer diffractometer by using nuclear resonant scattering at SPring-8 BL11XU | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
Nakamura, Shin
× Nakamura, Shin× Mitsui, Takaya× Fujiwara, Kosuke× Ikeda, Naoshi× Kobayashi, Yasuhiro× Shimomura, Susumu× 三井 隆也 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | A Mössbauer diffractometer has been developed by using 57Fe nuclear resonant scattering apparatus at SPring-8 BL11XU in order to obtain a crystal-site-selective Mössbauer spectrum. A _x120579_-2_x120579_ goniometer was newly installed between the nuclear monochromator and a detector. From a single crystal Fe3O4 mounted on the goniometer, the 111, 222, and 220 reflected γ-rays were used to collect the diffraction spectra at room temperature. The intensity ratio of the two subspectra, corresponding to A- and B-site Fe ions, changes notably according to the reflection index. The diffraction spectrum is composed of a major absorption spectrum and a minor emission spectrum. The former is given by the γ-ray due to the electron scattering and nuclear absorption, whereas the latter is given by the γ-ray due to the nuclear resonant scattering. Interference effects between these two γ-rays are also seen as line broadenings, asymmetric line shapes, and slope of the base lines. These features can be successfully expressed by a Fano function. We consider that the emission spectrum due to the nuclear resonant scattering represents crystal-site-selective Mössbauer spectrum. | |||||
| 書誌情報 |
Hyperfine Interactions 巻 237, p. 157-1-157-9, 発行日 2016-11 |
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| 出版者 | ||||||
| 出版者 | Springer | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1007/s10751-016-1370-x | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | http://link.springer.com/article/10.1007/s10751-016-1370-x | |||||
| 関連名称 | http://link.springer.com/article/10.1007/s10751-016-1370-x | |||||
