Mapping of a particular element using an absorption edge with an X-ray fluorescence imaging microscope

Kimitake Yamamoto; Norio Watanabe; Akihisa Takeuchi; Hidekazu Takano; Tatsuya Aota; Masanori Fukuda; Sadao Aoki

doi:10.1107/S0909049599014260

Mapping of a particular element using an absorption edge with an X-ray fluorescence imaging microscope

Kimitake Yamamoto, Norio Watanabe, Akihisa Takeuchi, Hidekazu Takano, Tatsuya Aota, Masanori Fukuda, Sadao Aoki

Research output: Contribution to journal › Article

9 Citations (Scopus)

Abstract

An X-ray fluorescence imaging microscope with a Wolter-type objective mirror (magnification: 13) has been constructed at beamline 39XU of SPring-8. Monochromatic X-rays (ΔE/E ≃ 10^-4) in the energy range 6-10 keV were used for X-ray fluorescence excitation of the specimens. Using two monochromatic X-rays above and below the absorption edge of a particular element, a two-dimensional image of the element could be obtained. As a result, two-dimensional element mapping of the test specimens (Cu, Co, Ni, Fe and Ti wires) and constituent minerals (Fe, Mn and Ti) of a rock specimen (a piemontite-quartz schist) became possible.

Original language	English
Pages (from-to)	34-39
Number of pages	6
Journal	Journal of Synchrotron Radiation
Volume	7
Issue number	1
DOIs	https://doi.org/10.1107/S0909049599014260
Publication status	Published - 2000 Jan 1
Externally published	Yes

Keywords

Imaging
Microscopes
Wolter-type mirrors
X-ray fluorescence

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Instrumentation

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title = "Mapping of a particular element using an absorption edge with an X-ray fluorescence imaging microscope",

abstract = "An X-ray fluorescence imaging microscope with a Wolter-type objective mirror (magnification: 13) has been constructed at beamline 39XU of SPring-8. Monochromatic X-rays (ΔE/E ≃ 10-4) in the energy range 6-10 keV were used for X-ray fluorescence excitation of the specimens. Using two monochromatic X-rays above and below the absorption edge of a particular element, a two-dimensional image of the element could be obtained. As a result, two-dimensional element mapping of the test specimens (Cu, Co, Ni, Fe and Ti wires) and constituent minerals (Fe, Mn and Ti) of a rock specimen (a piemontite-quartz schist) became possible.",

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author = "Kimitake Yamamoto and Norio Watanabe and Akihisa Takeuchi and Hidekazu Takano and Tatsuya Aota and Masanori Fukuda and Sadao Aoki",

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T1 - Mapping of a particular element using an absorption edge with an X-ray fluorescence imaging microscope

AU - Yamamoto, Kimitake

AU - Watanabe, Norio

AU - Takeuchi, Akihisa

AU - Takano, Hidekazu

AU - Aota, Tatsuya

AU - Fukuda, Masanori

AU - Aoki, Sadao

PY - 2000/1/1

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