Synchrotron based conversion electron Mössbauer spectroscopy

Advanced conversion electron Mössbauer spectroscopy (CEMS) techniques using a synchrotron Mössbauer source (SMS) have been developed at BL11XU of SPring-8. The excellent beam properties of SMS γ-rays, such as fully recoilless, extremely high brilliance, a small beam size, and pure linear polarizatio...

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Bibliographic Details
Published in:Hyperfine interactions 2024-11, Vol.245 (1)
Main Authors: Mitsui Takaya, Fujiwara Kosuke, Sakai Seiji, Li Songtian, Okabayashi Jun, Kobayashi Yasuhiro, Seto Makoto
Format: Article
Language:English
Subjects:
Atmospheric corrosion
Corrosion resistant steels
Gamma rays
High vacuum
Linear polarization
Mossbauer spectroscopy
Thin films
Weathering steels
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Summary:Advanced conversion electron Mössbauer spectroscopy (CEMS) techniques using a synchrotron Mössbauer source (SMS) have been developed at BL11XU of SPring-8. The excellent beam properties of SMS γ-rays, such as fully recoilless, extremely high brilliance, a small beam size, and pure linear polarization, facilitate sample measurements in special environments and micro-Mössbauer spectroscopy. This paper describes the development of instrumentation and demonstration for 57Fe nuclei using the synchrotron-based CEMS, including in-situ CEMS of a magnetic thin film under cryogenic and ultra-high vacuum conditions, operando CEMS of a voltage-applied magnetic/dielectric thin film, and local region Mössbauer analysis of weathering steel using micro-focused SMS γ-rays.
ISSN:0304-3843
1572-9540
DOI:10.1007/s10751-024-02195-3