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$$^{57}$$Fe polarization dependent synchrotron M$"o$ssbauer spectroscopy using a diamond phase plate and an iron borate nuclear Bragg monochromator

核モノクロメーターとダイアモンド移相子を用いた放射光メスバウアー偏光分光

三井 隆也; 今井 康彦*; 増田 亮*; 瀬戸 誠*; 壬生 攻*

Mitsui, Takaya; Imai, Yasuhiko*; Masuda, Ryo*; Seto, Makoto*; Mibu, Ko*

Energy domain $$^{57}$$Fe polarization dependent synchrotron radiation M$"o$ssbauer spectroscopy was developed by using a diamond X-ray phase plate and an iron borate nuclear Bragg monochromator. The former controls the polarization of the incident synchrotron radiation X-rays and the latter filters the $$^{57}$$Fe M$"o$ssbauer radiation with a narrow bandwidth of 15 neV from the broadband synchrotron radiation. The developed nuclear diffraction optics allowed $$^{57}$$Fe M$"o$ssbauer studies to beperformed with various polarization states. In this paper, the spectrometer system, beam characterization, performance test experiments and a grazing incidence M$"o$ssbauer measurement of an isotope enriched iron thin film are described.

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パーセンタイル:49.93

分野:Instruments & Instrumentation

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