Abstract
Anecdotal observations of crystal damage non-linear with dose have raised concerns about the usefulness of full intensity at 3-generation synchrotrons. The possibility of increased radiation damage due to sample overheating was considered during the previous workshop on radiation damage. Temperature increase of only a few °C, even with fluxes of the order of 10 ph/sec, were shown by James Nicholson’s finite element thermal analysis which included heat removal by the cold stream, and by Gerd Rosenbaum’s calculation of the adiabatic temperature increase per exposure. Nevertheless, some stations, including SBC 19-ID routinely attenuate radiation. In response, a few crystallographers have questioned the need to operate high intensity beamlines and plans to improve them.
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Schedule a callMore From: Acta Crystallographica Section A Foundations of Crystallography
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