热化学还原和电子辐照LiNbO3单晶的正电子湮灭和光吸收测量研究

July 16 Pub Date : 1984-07-16 DOI:10.1002/PSSA.2210840122
R. Pareja, R. González, M. Pedrosa
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引用次数: 15

摘要

LiNbO3巧克力脆片单一能源循环系统as grown、还击、或rystone以致光脉冲的演出未经治疗、退化,和服照射的水晶都是常人的正体长寿光谱都是使用一个覆盖到234的部件的
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Study of Thermochemically Reduced and Electron-Irradiated LiNbO3 Single Crystals by Positron Annihilation and Optical Absorption Measurements
Irradiation of LiNbO3, single crystals using Van de Graaff electrons with an energy of 1.5 MeV introduces an optical absorption band similar to that observed in thermochemically reduced samples. As-grown, reduced, or irradiated crystals show single-component positron lifetime spectra with an average decay time of 234 ps. Die Bestrahlung von LiNbO3-Einkristallen mit 1,5 MeV-Van de Graaff-Elektronen verursacht eine optische Absorptionsbande, die ahnlich der in thermochemisch reduzierten Proben beobachteten Bande ist. Unbehandelte, reduzierend behandelte und bestrahlte Kristalle zeigen Positronen-Lebensdauerspektren mit einer einzigen Komponente mit dem Wert 234 ps.
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