Point-focusing monochromator crystal realized by hot plastic deformation of a Ge wafer

Hiroshi Okuda; Kazuo Nakajima; Kozo Fujiwara; Kohei Morishita; Shojiro Ochiai

doi:10.1107/S0021889808016282

Point-focusing monochromator crystal realized by hot plastic deformation of a Ge wafer

Hiroshi Okuda, Kazuo Nakajima, Kozo Fujiwara, Kohei Morishita, Shojiro Ochiai

Collaborative Research Center on Energy Materials

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Pre-polished Ge(111) single-crystal wafers were deformed just below the melting temperature to prepare point-focusing Johansson monochromator crystals. The (111) lattice plane had curvature 2R in the focusing plane and R perpendicular to it, with a hemispherical inner surface with a radius of R = 600 mm. By using Cu Kα radiation, the diverging X-ray beam was focused onto a small spot.

Original language	English
Pages (from-to)	798-799
Number of pages	2
Journal	Journal of Applied Crystallography
Volume	41
Issue number	4
DOIs	https://doi.org/10.1107/S0021889808016282
Publication status	Published - 2008

Keywords

Ge
Hot plastic deformation
Johansson monochromator

ASJC Scopus subject areas

Biochemistry, Genetics and Molecular Biology(all)

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abstract = "Pre-polished Ge(111) single-crystal wafers were deformed just below the melting temperature to prepare point-focusing Johansson monochromator crystals. The (111) lattice plane had curvature 2R in the focusing plane and R perpendicular to it, with a hemispherical inner surface with a radius of R = 600 mm. By using Cu Kα radiation, the diverging X-ray beam was focused onto a small spot.",

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AU - Okuda, Hiroshi

AU - Nakajima, Kazuo

AU - Fujiwara, Kozo

AU - Morishita, Kohei

AU - Ochiai, Shojiro

PY - 2008

Y1 - 2008

N2 - Pre-polished Ge(111) single-crystal wafers were deformed just below the melting temperature to prepare point-focusing Johansson monochromator crystals. The (111) lattice plane had curvature 2R in the focusing plane and R perpendicular to it, with a hemispherical inner surface with a radius of R = 600 mm. By using Cu Kα radiation, the diverging X-ray beam was focused onto a small spot.

AB - Pre-polished Ge(111) single-crystal wafers were deformed just below the melting temperature to prepare point-focusing Johansson monochromator crystals. The (111) lattice plane had curvature 2R in the focusing plane and R perpendicular to it, with a hemispherical inner surface with a radius of R = 600 mm. By using Cu Kα radiation, the diverging X-ray beam was focused onto a small spot.

KW - Ge

KW - Hot plastic deformation

KW - Johansson monochromator

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