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2 May 2000 New transparent polycrystalline silicate scintillators
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Proceedings Volume 3943, Sol-Gel Optics V; (2000) https://doi.org/10.1117/12.384331
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States
Abstract
The sol-gel process was used in the fabrication of new polycrystalline silicate scintillators. Lutetium orthosilicate (LSO) is one of the most promising scintillators discovered in almost five decades, with a unique combination of important properties for X and (gamma) -ray spectroscopy, namely high density, fast decay, and large light yield. However, the practical utilization of LSO as a single crystal is hindered by difficulties related to high temperature crystal growth by the Czochralski method. In the new approach presented here, Ce-doped lutetium silicate crystals are grown from a gel. The processing temperatures are much lower than that of conventional processes. The polycrystalline scintillators are characterized by XRD, TEM, DTA, light decay measurement and gamma-ray spectral response.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Eric P. Bescher, Sarah Robson, John D. Mackenzie, Bradley E. Patt, Jan S. Iwanczyk, and Edward J. Hoffman "New transparent polycrystalline silicate scintillators", Proc. SPIE 3943, Sol-Gel Optics V, (2 May 2000); https://doi.org/10.1117/12.384331
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