Study of Radiophotoluminescence of Eu Doped CaSO4 Phosphor for Gamma Dosimetric Applications
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چکیده
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study of cohesive devices in the textbook of english for the students of apsychology by rastegarpour
this study investigates the cohesive devices used in the textbook of english for the students of psychology. the research questions and hypotheses in the present study are based on what frequency and distribution of grammatical and lexical cohesive devices are. then, to answer the questions all grammatical and lexical cohesive devices in reading comprehension passages from 6 units of 21units th...
DYSPROSIUM DOPED CaSO4 FOR HIGH SENSITIVITY X AND GAMMA-RAYS DETECTORS
The crystalline substances are the most used for Thermoluminescent Dosimetry (TLD) purposes. The crystalline structure allows for a controlled impurification with activators in order to improve their dosimetric parameters. The activators introduced into the crystalline network [1], enhance the number of electrons and hole traps inside the forbidden band. In the first step, immediately after the...
متن کاملStudy on the response of indigenously developed CaSO4:Dy phosphor-based neutron dosemeter.
In the present paper, we report the indigenous development of a neutron-sensitive thermoluminescent dosemeter (TLD) based on CaSO4:Dy Teflon TL disc. The study includes indigenous development of a neutron dosemeter and its response in terms of operational quantity to different energies of neutrons under various irradiation conditions. It was found that the thermal neutron sensitivity of the CaS...
متن کاملMechanoluminescence of Ba2 MgSi2 O7 doped with Eu(2+) and Dy(3+) phosphor by impulsive deformation.
Di-barium magnesium silicate phosphor doped with Eu(2+) and Dy(3+) was prepared using a solid-state reaction technique under a reducing atmosphere. The sample underwent impulsive deformation by impact from a piston for mechanoluminescence (ML) investigations. The temporal ML characteristics of the phosphor were observed, which expressed a single sharp peak with a long decaying period. To invest...
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ژورنال
عنوان ژورنال: Defence Science Journal
سال: 2020
ISSN: 0976-464X,0011-748X
DOI: 10.14429/dsj.70.15042