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Neutron Detectors Based on 10B-Containing Nanomaterials

  • Levan Chkhartishvili
  • Otar Tsagareishvili
  • George Tavadze
Conference paper
Part of the NATO Science for Peace and Security Series B: Physics and Biophysics book series (NAPSB)

Abstract

Due to of deep penetration ability and strong secondary ionization, neutron-radiation is the mostly dangerous ionizing radiation for humans and environment. Developments in materials science provide neutron-sensor devices with enhanced selectivity and sensitivity. Among them, detectors based on boron-containing thin films are the naturally best because of special neutron-capture properties of 10B isotope. In this work, there are evaluated the key physical-technical characteristics of neutron detectors made from 10B-enriched semi-conducting materials: thickness of the effective working layer ~10 μm, releasing rate of the 10B – n interaction products ~1015/cm3 s, electron–hole pairs generating rate in process of neutron absorption ~1022/cm3 s, rate of rise in the temperature ~10 K/s, and device mean operating time ~10−4 s.

Keywords

Neutron detectors Boron 

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Copyright information

© Springer Science+Business Media Dordrecht 2016

Authors and Affiliations

  • Levan Chkhartishvili
    • 1
    • 2
  • Otar Tsagareishvili
    • 2
  • George Tavadze
    • 2
  1. 1.Department of Engineering PhysicsGeorgian Technical UniversityTbilisiGeorgia
  2. 2.Laboratory for Boron & Powdered Composite MaterialsFerdinand Tavadze Institute of Metallurgy & Materials ScienceTbilisiGeorgia

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