A simple high performance beamline for small molecule chemical crystallography

A. C. Thompson, H. A. Padmore, A. G. Oliver, S. J. Teat, R. S. Celestre, S. M. Clark, E. E. Domning, K. D. Franck, G. Y. Morrison

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

7 Citations (Scopus)

Abstract

An innovative beamline for small molecule chemical crystallography has been built at the Advanced Light Source. The system permits the study of crystals as small as 10μm × 10μm × 10μm. The beamline produces a 7-17 keV x-ray beam focused to a 280μm × 90μm spot. A channel-cut Si<111> monochromator and a toroidal mirror are inside the synchrotron shield wall only 7m from the bending magnet source point. The monochromator is cooled with a small Joule-Thomson refrigerator to produce a very small beam motion with different heat loads. The experimental hutch contains a vertically mounted sample goniometer and a CCD detector. An on-axis visual alignment camera allows the small crystals to be accurately centered within the x-ray beam. Examples of the crystal structures solved with this system are given. The beamline is also used for high-pressure powder diffraction experiments using a diamond anvil cell that is mounted on a stage system that can be quickly installed and removed.

Original languageEnglish
Title of host publicationSynchrotron Radiation Instrumentation
Subtitle of host publication8th International Conference on Synchrotron Radiation Instrumentation
PublisherAmerican Institute of Physics
Pages482-485
Number of pages4
Volume705
ISBN (Electronic)0735401799
DOIs
Publication statusPublished - 12 May 2004
Externally publishedYes
Event8th International Conference on Synchrotron Radiation Instrumentation - San Francisco, United States
Duration: 25 Aug 200329 Aug 2003

Other

Other8th International Conference on Synchrotron Radiation Instrumentation
CountryUnited States
CitySan Francisco
Period25/08/0329/08/03

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