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New half brightness fluence measurements for large-grained ZnS:Mn, EuD4TEA, and MgD4TEA samples

If humans desire to leave the safety of Earth and explore the universe, cost effective and low mass health monitoring sensors will be essential to monitor the ionizing radiation to ensure the safety of the astronauts. A luminescent material-based sensor could provide a reliable in-situ radiation mon...

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Main Authors:	Hollerman, William A., Fontenot, Ross S., Williams, Stephen, Deoli, Naresh, DeVera, Armin B., Miller, John
Format:	Conference Proceeding
Language:	English
Subjects:	Astronauts Europium Extreme environments Fluence Ionizing radiation Magnesium Manganese Phosphors Polymethyl methacrylate Radiation effects Safety Zinc sulfide
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creator	Hollerman, William A. Fontenot, Ross S. Williams, Stephen Deoli, Naresh DeVera, Armin B. Miller, John
description	If humans desire to leave the safety of Earth and explore the universe, cost effective and low mass health monitoring sensors will be essential to monitor the ionizing radiation to ensure the safety of the astronauts. A luminescent material-based sensor could provide a reliable in-situ radiation monitor. Research to date includes irradiating a variety of phosphors with 3 MeV protons and 20 keV electrons. Results have shown that radiation has adverse effects on the luminescence emitted by producing quenching centers. This paper investigates the effects of radiation on large-grained zinc sulfide doped with manganese (ZnS:Mn) as well as two different forms of tetrakis: europium dibenzoylmethide triethylammonium (EuD4TEA) and magnesium dibenzoylmethide triethylammonium (MgD4TEA). In addition, two different binders, i.e., poly (phenyl methyl) siloxane and poly (methyl methacrylate), are also used. This research can be used to help determine if luminescent materials can be used as a sensor to detect ionizing radiation in extreme environments like space.
doi_str_mv	10.1063/1.5127722
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subjects	Astronauts Europium Extreme environments Fluence Ionizing radiation Magnesium Manganese Phosphors Polymethyl methacrylate Radiation effects Safety Zinc sulfide
title	New half brightness fluence measurements for large-grained ZnS:Mn, EuD4TEA, and MgD4TEA samples
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