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 language | English |
|---|---|
| Title of host publication | Synchrotron Radiation Instrumentation |
| Subtitle of host publication | 8th International Conference on Synchrotron Radiation Instrumentation |
| Publisher | American Institute of Physics |
| Pages | 482-485 |
| Number of pages | 4 |
| Volume | 705 |
| ISBN (Electronic) | 0735401799 |
| DOIs | |
| Publication status | Published - 12 May 2004 |
| Externally published | Yes |
| Event | 8th International Conference on Synchrotron Radiation Instrumentation - San Francisco, United States Duration: 25 Aug 2003 → 29 Aug 2003 |
Other
| Other | 8th International Conference on Synchrotron Radiation Instrumentation |
|---|---|
| Country/Territory | United States |
| City | San Francisco |
| Period | 25/08/03 → 29/08/03 |
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