Mercuric Iodide Photocell Technology for Room Temperature Readout of Scintillators

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Mercuric iodide (HgI2) is a well known material for the direct detection of gamma rays; however, the largest volume achievable is limited by thickness of the detector, which needs to be a small fraction of the average trapping length for electrons. We are reporting here preliminary results in using HgI2 crystals to fabricate photocells used in the readout of various scintillators. The optical spectral response and efficiency of these photocells were measured and will be reported. Preliminary nuclear response from a HgI2 photocell that was optically matched to a Ce3+ :LaBr3 scintillator will also be presented and discussed. Further improvements ... continued below

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67060G-67060G-8

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al., Warnick Kernan et August 31, 2007.

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Mercuric iodide (HgI2) is a well known material for the direct detection of gamma rays; however, the largest volume achievable is limited by thickness of the detector, which needs to be a small fraction of the average trapping length for electrons. We are reporting here preliminary results in using HgI2 crystals to fabricate photocells used in the readout of various scintillators. The optical spectral response and efficiency of these photocells were measured and will be reported. Preliminary nuclear response from a HgI2 photocell that was optically matched to a Ce3+ :LaBr3 scintillator will also be presented and discussed. Further improvements will be sought by optimizing the transparent contact technology.

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67060G-67060G-8

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  • Journal Name: Proceedings of the SPIE; Journal Volume: 6706; Conference: Hard X-ray and Gamma-Ray Detector Physics and Penetrating Radiation Systems IX (SPIE), August 2007

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  • Report No.: DOE/NV/25946--155
  • Grant Number: DE-AC52-06NA25946
  • DOI: 10.1117/12.739778 | External Link
  • Office of Scientific & Technical Information Report Number: 946744
  • Archival Resource Key: ark:/67531/metadc899779

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  • August 31, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 16, 2016, 12:46 p.m.

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al., Warnick Kernan et. Mercuric Iodide Photocell Technology for Room Temperature Readout of Scintillators, article, August 31, 2007; United States. (digital.library.unt.edu/ark:/67531/metadc899779/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.