Color centers in NaCl single crystals induced by pulsed intense relativistic electron beams to simulate radiation bursts in Europa

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dc.contributor.authorToba, Ren_AU
dc.contributor.authorKikuchi, Ken_AU
dc.contributor.authorImada, Gen_AU
dc.contributor.authorThorogood, GJen_AU
dc.contributor.authorHayashi, Nen_AU
dc.contributor.authorMaynard-Casely, HEen_AU
dc.contributor.authorSuematsu, Hen_AU
dc.contributor.authorNakayama, Ten_AU
dc.contributor.authorSuzuki, Ten_AU
dc.contributor.authorNiihara, Ken_AU
dc.date.accessioned2022-04-14T01:06:43Zen_AU
dc.date.available2022-04-14T01:06:43Zen_AU
dc.date.issued2019-03-26en_AU
dc.date.statistics2022-03-28en_AU
dc.description.abstractTo simulate the burst irradiation environment of Europa, single crystals of NaCl were irradiated by pulsed intense relativistic electron beams (PIREBs) with a peak energy of 6 MeV, a current of −800 A, and a pulse width of 70 ns. After irradiation, the optical absorption of the samples was measured, and results indicated that the irradiation induced F- and F2-centers. The density of F-centers was estimated to be 8.9 × 1016 cm−3 from 1 shot of PIREB irradiation with 6 MeV. The absorbed energy to form F-centers by PIREB was comparable but slightly higher than those induced by conventional direct current accelerators. The effect of pulsed heating, which should be taken into account for the detection of NaCl on Europa, is discussed. © 2019 The Japan Society of Applied Physicsen_AU
dc.description.sponsorshipThis work was partly supported by KAKENHI JP18H04458 and Center of World Intelligence Project for Nuclear S&T and Human Resource Development, Japan Science and Technology Agency.en_AU
dc.identifier.citationToba, R., Kikuchi, T., Imada, G., Thorogood, G. J., Hayashi, N., Maynard-Casely, H. E., Suematsu, H., Nakayama, T., Suzuki, T. & Niihara, K. (2019). Color centers in NaCl single crystals induced by pulsed intense relativistic electron beams to simulate radiation bursts in Europa. Japanese Journal of Applied Physics, 58(4), 046003. doi:10.7567/1347-4065/ab04a0en_AU
dc.identifier.issn1347-4065en_AU
dc.identifier.issue4en_AU
dc.identifier.journaltitleJapanese Journal of Applied Physicsen_AU
dc.identifier.pagination046003en_AU
dc.identifier.urihttps://doi.org/10.7567/1347-4065/ab04a0en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/13002en_AU
dc.identifier.volume58en_AU
dc.language.isoenen_AU
dc.publisherIOP Publishingen_AU
dc.subjectCrystalsen_AU
dc.subjectElectron beamsen_AU
dc.subjectIrradiationen_AU
dc.subjectPlanetsen_AU
dc.subjectDirect currenten_AU
dc.subjectSodium chloridesen_AU
dc.titleColor centers in NaCl single crystals induced by pulsed intense relativistic electron beams to simulate radiation bursts in Europaen_AU
dc.typeJournal Articleen_AU
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