Luminescence properties of Nd3+-doped LiNbO3 and LiTaO3 sol-gel powders

Shi De Cheng; Chan Hin Kam; Yee Loy Lam; Kantisara Pita; Srinivasa Buddhudu

doi:10.1117/12.405369

24 October 2000 Luminescence properties of Nd³⁺-doped LiNbO₃ and LiTaO₃ sol-gel powders

Shi De Cheng, Chan Hin Kam, Yee Loy Lam, Kantisara Pita, Srinivasa Buddhudu

Proceedings Volume 4227, Advanced Microelectronic Processing Techniques; (2000) https://doi.org/10.1117/12.405369
Event: International Symposium on Microelectronics and Assembly, 2000, Singapore, Singapore

Abstract

This paper reports the synthesis and a detailed analysis of the luminescence properties of Nd³⁺ doped LiNbO₃ and LiTaO₃ powders prepared by sol-gel process. The two ferroelectric hosts are potential candidates for various electronic and photonics applications. Near IR emission transitions of Nd³⁺ at 890 nm, 1060 nm and 1340 nm have been measured under the excitation of an Ar⁺ laser and it has been found that the 2mol percent Nd³⁺ has an intense emission compared with the other contents. An up-conversion violet color emission has also been observed with a 583 nm excitation, which is a hypersensitive transition of Nd³⁺ having a strong absorption at the yellow wavelength. Apart form a bright violet up-conversion emission, three other emissions at 342 nm and 464 nm have also been measured. The violet up- conversion emissions have been explained using an energy level diagram. The structural details and particle sizes of Nd³⁺ doped LiNbO₃ and LiTaO₃ powders have been studied form the patterns of XRD and SEM images.

Citation Download Citation

Shi De Cheng, Chan Hin Kam, Yee Loy Lam, Kantisara Pita, and Srinivasa Buddhudu "Luminescence properties of Nd³⁺-doped LiNbO₃ and LiTaO₃ sol-gel powders", Proc. SPIE 4227, Advanced Microelectronic Processing Techniques, (24 October 2000); https://doi.org/10.1117/12.405369

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