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Green upconversion luminescence in Er3+:BaTiO3 films (2000)

Zhang, H. X. ; Kam, C. H. ; Zhou, Y. ; [et al.]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 77 (2000), S. 609-611

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: Green upconversion emissions at 548 and 528 nm have been obtained from sol-gel derived nanocrystalline Er3+:BaTiO3 films under 980 nm excitation. The green emissions are attributed to the ground-state (4I15/2) -directed transitions from 2H11/2 (528 nm) and 4S3/2 (548 nm) of Er3+ ions. Analysis of the temporal evolution of the emission at 548 nm shows that both excited state absorption of individual ion and energy transfer between the two neighboring ions contribute to the upconversion emissions in Er3+ (3 mol %):BaTiO3 film. The lifetime of the dominant emission at 548 nm is about 90 μs. © 2000 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.127060

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