Construction of a point-focusing small-angle x-ray scattering diffractometer for the study of fluctuations in solutions

Hisashi Hayashi, Kazuyuki Tohji, Yasuo Udagawa

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A point-focusing diffractometer for the measurement of the small-angle X-ray scattering (SAXS) from molecular solu­tions has been constructed. This diffractometer consists of a double bent LiF monochromator whose focal length is 700 mm for Cu Ka radiation, a sample cell with 0.1 mm-thick mica windows, a bath circulator coupled with a cell holder, and a PSPC system. With this diffractometer, small-angle resolution of better than 0.42° is achieved. To evaluate the perfor­mance of the diffractometer, the SAXS on several pure liquids and aqueous solutions was measured. The results show that this diffractometer produces incident beams intense enough to measure SAXS on the solutions, making the collima­tion effect negligible simultaneously.

Original languageEnglish
Pages (from-to)870-874
Number of pages5
JournalJapanese journal of applied physics
Volume30
Issue number4
DOIs
Publication statusPublished - 1991 Apr
Externally publishedYes

Keywords

  • Collimation effect
  • Small-angle x-ray scattering
  • Solution

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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