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Polyimide-based scintillators studied by ion beam induced luminescence
Laboratori Nazionali di Legnaro.
Department of Physics, University of Padova.ORCID-id: 0000-0003-2935-1165
Department of Engineering Materials, Department of Mechanical Engineering, Linköping University.
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2005 (Engelska)Ingår i: IEEE Transactions on Nuclear Science, ISSN 0018-9499, E-ISSN 1558-1578, Vol. 52, nr 3 II, s. 748-751Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

New organic scintillators for ionizing radiation sensors are synthesized by dispersing dye molecules into chemically imidized polyimide hosts in order to obtain detection systems with improved radiation resistance with respect to the traditional polyvinyltoluene-based materials. Nile red (NR) and rhodamine B (RB) are dispersed at different concentrations in polyimides derived from the following monomers: 6FDA-DAD, 6FDA-DAB, and BPDA-3F. Scintillating thin films are produced by the spin coating technique. Scintillation tests are performed both on pure polyimides and on binary systems by means of ion beam induced luminescence (IBIL), in which the emission spectrum is collected during the irradiation of the films with a 4He+ beam. From the intensity and the degradation rate of the IBIL signal during irradiation, the scintillation efficiency with respect to NE102 and the radiation hardness of the produced films are calculated. © 2005 IEEE.

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2005. Vol. 52, nr 3 II, s. 748-751
Nyckelord [en]
Ion beam induced luminescence, Organic scintillator, Polyimides, Radiation hardness
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URN: urn:nbn:se:ltu:diva-12026DOI: 10.1109/TNS.2005.850962ISI: 000230766600010Scopus ID: 2-s2.0-23844550631Lokalt ID: b15ef71a-4c3d-4d60-afa6-8c2f18e68878OAI: oai:DiVA.org:ltu-12026DiVA, id: diva2:984976
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Upprättat; 2005; 20141216 (albvom)

Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2022-10-25Bibliografiskt granskad

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Vomiero, Alberto

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