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Element-specific high-resolution diffraction microscopy using focused hard X-ray beam

  • Y. Takahashi (a1), Y. Nishino (a2), R. Tsutsumi (a1), N. Zettsu (a1), K. Yamauchi (a1), T. Ishikawa (a3) and E. Matsubara (a4)...

Abstract

We demonstrated high-resolution element-specific diffraction microscopy using a hard X-ray beam focused by Kirkpatrick–Baez mirrors. Coherent diffraction patterns of an Au/Ag nanoparticle were measured at incident X-ray energies around the Au LIII absorption edge. By calculating the difference between the intensities of reconstructed images obtained at different energies, an image of the Au element could be derived. From the difference image, it was suggested that the replacement reaction progresses from the corners of Ag cubic particle.

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Corresponding author

Email address for correspondence: takahashi@wakate.frc.eng.osaka-u.ac.jp

References

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Song, C., Bergstrom, R., Ramunno-Johnson, D., Jiang, H., Paterson, D., de Jonge, M. D., McNulty, I., Lee, J., Wang, K. L. & Miao, J. 2008 Nanoscale imaging of buried structures with elemental specificity using resonant X-ray diffraction microscopy. Phys. Rev. Lett. 100, 025504.
Takahashi, Y., Kubo, H., Furukawa, H., Yamauchi, K., Matsubara, E., Ishikawa, T. & Nishino, Y. 2008 Element-specific hard X-ray diffraction microscopy. Phys. l Rev. B 78, 092105.
Takahashi, Y., Nishino, Y., Ishikawa, T. & Matsubara, E. 2007 Approach for three-dimensional observation of mesoscopic precipitates in alloys by coherent X-ray diffraction microscopy. Appl. Phys. Lett. 90, 184105.
Takahashi, Y., Nishino, Y., Tsutsumi, R., Kubo, H., Furukawa, H., Mimura, H., Matsuyama, S., Zettsu, N., Matsubara, E., Ishikawa, T. & Yamauchi, K. 2009 High-resolution diffraction microscopy using the plane-wave field of a nearly diffraction limited focused X-ray beam. Phys. l Rev. B 80, 054103.

Element-specific high-resolution diffraction microscopy using focused hard X-ray beam

  • Y. Takahashi (a1), Y. Nishino (a2), R. Tsutsumi (a1), N. Zettsu (a1), K. Yamauchi (a1), T. Ishikawa (a3) and E. Matsubara (a4)...

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