Evaluation of BeO ceramic disks for thermally stimulated exoelectron dosimetry

Technical Report · Fri Nov 21 04:00:00 EST 1975

DOI:https://doi.org/10.2172/7259378· OSTI ID:7259378

Bush, J R; Keeler, J B; Piret, J J

BeO ceramic disks were evaluated for application as dosimeters for both penetrating and non-penetrating radiation. Response to penetrating radiation was measured as thermoluminescence (TL) and to non-penetrating radiation as thermally stimulated exoelectron emission (TSEE). Field experiments demonstrated that both TSEE and TL responses from BeO can monitor diverse radiation fields. BeO disks in a passive dosimeter were found to be sensitive to a lower exposure level of 100 pCi-day/liter of radon. The depth of the more active exoelectron layer in BeO was found to be 4 ..mu..m. A second less active, exoelectron layer extends to a depth of at least 16 ..mu..m.

• Research Organization: Massachusetts Inst. of Tech., Oak Ridge, Tenn. (USA). School of Chemical Engineering Practice
• DOE Contract Number: W-7405-ENG-26
• OSTI ID: 7259378
• Report Number(s): ORNL/MIT-220
• Country of Publication: United States
• Language: English

Related Subjects

440102* -- Radiation Instrumentation-- Radiation Dosemeters
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ALKALINE EARTH METAL COMPOUNDS
BERYLLIUM COMPOUNDS
BERYLLIUM OXIDES
CALIBRATION
CERAMICS
CHALCOGENIDES
DOSEMETERS
EXOELECTRON DOSEMETERS
MEASURING INSTRUMENTS
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE TESTING
SENSITIVITY
TESTING