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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/47978
1d5a9d71-1128-4728-820e-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

WEKO 481623

Nakamura, Shin

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Mitsui, Takaya

× Mitsui, Takaya

WEKO 481624

Mitsui, Takaya

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Fujiwara, Kosuke

× Fujiwara, Kosuke

WEKO 481625

Fujiwara, Kosuke

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Ikeda, Naoshi

× Ikeda, Naoshi

WEKO 481626

Ikeda, Naoshi

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Kobayashi, Yasuhiro

× Kobayashi, Yasuhiro

WEKO 481627

Kobayashi, Yasuhiro

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Shimomura, Susumu

× Shimomura, Susumu

WEKO 481628

Shimomura, Susumu

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三井 隆也

× 三井 隆也

WEKO 481629

en 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
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
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