A GaAs Detector for Dark Matter and Solar Neutrino Research

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The ability to produce large GaAs crystals with the requisite electronic properties to be fabricated into charged particle and photon detectors would provide a detector medium that would find numerous applications in both applied and fundamental research. Various applications would likely include x-ray detectors on satellites, environmental monitoring, medical imaging, bore hole mining spectroscopy, searches for dark matter, and solar neutrino research. We have carried out the development of GaAs detectors using two commercial crystal growing techniques. We have shown it should be able to grow detectors with 20 cm{sup 2} area and a depletion depth of 1 mm. Detectors ... continued below

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10 p.

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Bowles, T. J.; Hime, A.; Gavrin, V.; Kozlova, Y.; Veretenkin, E.; Markov, A. V. et al. August 2000.

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Description

The ability to produce large GaAs crystals with the requisite electronic properties to be fabricated into charged particle and photon detectors would provide a detector medium that would find numerous applications in both applied and fundamental research. Various applications would likely include x-ray detectors on satellites, environmental monitoring, medical imaging, bore hole mining spectroscopy, searches for dark matter, and solar neutrino research. We have carried out the development of GaAs detectors using two commercial crystal growing techniques. We have shown it should be able to grow detectors with 20 cm{sup 2} area and a depletion depth of 1 mm. Detectors of this size would find immediate applications in high-resolution, room temperature, low energy gamma ray measurements. We have also arrived at an understanding of the limitations of the common techniques used to grow GaAs and have determined that it should be possible to produce larger detectors using proprietary methods.

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10 p.

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INIS; OSTI as DE00768779

Medium: P; Size: 10 pages

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  • Other Information: PBD: 1 Aug 2000

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  • Report No.: LA-UR-00-3994
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/768779 | External Link
  • Office of Scientific & Technical Information Report Number: 768779
  • Archival Resource Key: ark:/67531/metadc717647

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  • August 2000

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  • Sept. 29, 2015, 5:31 a.m.

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  • April 6, 2017, 6:55 p.m.

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Bowles, T. J.; Hime, A.; Gavrin, V.; Kozlova, Y.; Veretenkin, E.; Markov, A. V. et al. A GaAs Detector for Dark Matter and Solar Neutrino Research, report, August 2000; New Mexico. (digital.library.unt.edu/ark:/67531/metadc717647/: accessed August 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.