Plastic scintillators for thermal neutrons detection

• Published in: Functional Materials
• Date: 2013
• Main Authors: Nemchenok, I.B., Gundorin, N.A., Shevchik, E.A., Shurenkova, A.A.
• Format: Article
• Language: English
• Published: НТК «Інститут монокристалів» НАН України 2013
• Subjects: Characterization and properties
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/120083
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: Plastic scintillators for thermal neutrons detection / I.B. Nemchenok, N.A. Gundorin, E.A. Shevchik, A.A. Shurenkova // Functional Materials. — 2013. — Т. 20, № 3. — С. 310-314. — Бібліогр.: 16 назв. — англ.

The new cadmium and gadolinium-loaded polymethylmethacrylate based plastic scintillators with the mass fraction of the metals up to 2 % and 4 %, respectively, are described in this article. There are presented the techniques of the new materials preparation and their main properties: transmission spectra, light output and thermal neutrons detection efficiency. The light output of Cd -loaded scintillator with 2 % of metal is 67 % relative to the unloaded sample; the light output of Gd -loaded plastic scintillator with 4 % of the metal is reduced to 67.6 %. There is regular increase of the thermal neutrons detection efficiency for the both series of the scintillation materials.