Dosimetric Properties of Magnesium Oxide Crystals

The nominally pure magnesium oxide （MgO） single crystals have been studied as dosimetric material for γ-radiation dose estimation in the range of 101-104 Gy. The employment of thermoluminescence peak at 450 K as the operating one for γ-dosimetry has been discussed. The peak is sensitive to fast neut...

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Bibliographic Details
Published in:Journal of materials science and engineering. A 2011-11, Vol.1 (6), p.872-875
Main Authors: Kvatchadze, V, Dekanozishvili, G, Kalabegishvili, T, Gritsyna, V, Tavkhelidze, V
Format: Article
Language:chi ; eng
Subjects:
Crystals
Dosimeters
Fast neutrons
Magnesium oxide
MgO
Microstructure
Single crystals
Structural materials
Thermoluminescence
剂量估算
峰值强度
快中子
晶体
氧化镁
混合辐射场
特性
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Summary:The nominally pure magnesium oxide （MgO） single crystals have been studied as dosimetric material for γ-radiation dose estimation in the range of 101-104 Gy. The employment of thermoluminescence peak at 450 K as the operating one for γ-dosimetry has been discussed. The peak is sensitive to fast neutrons as well, and in the mixed radiation fields the total dose （fast neutrons and γ-rays） received by the sample can be monitored by the change of the peak intensity.
ISSN:2161-6213