The crystal-size and power dependence of luminescence properties of Nd3+:LaAlO3 nanopowders

Wieslaw Strek; Dariusz Hreniak; Artur Bednarkiewicz; Piotr Mazur; Przemyslaw J. Deren; Witold Lojkowski

doi:10.1117/12.553169

2 August 2004 The crystal-size and power dependence of luminescence properties of Nd³⁺:LaAlO₃ nanopowders

Wieslaw Strek, Dariusz Hreniak, Artur Bednarkiewicz, Piotr Mazur, Przemyslaw J. Deren, Witold Lojkowski

Proceedings Volume 5508, Complex Mediums V: Light and Complexity; (2004) https://doi.org/10.1117/12.553169
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

The luminescence properties of the Nd3+:LaAlO3 nanocrystalline powders characterized by different sizes of grains in the range of 25-50 nm were investigated. The effect of the nanocrystallites sizes on the luminescence behavior of Nd3+ was observed. In particular decreasing the grain sizes was found to increase emission from the thermally populated 4F5/2 state. It's intensity increased with the increase of excitation power density. The spectroscopic parameters of Nd3+ doped LaAlO3 nanocrystallites were determined from luminescence spectra by using the Judd-Ofelt method and compared to those obtained for a single crystal of Nd3+:LaAlO3.

Citation Download Citation

Wieslaw Strek, Dariusz Hreniak, Artur Bednarkiewicz, Piotr Mazur, Przemyslaw J. Deren, and Witold Lojkowski "The crystal-size and power dependence of luminescence properties of Nd³⁺:LaAlO₃ nanopowders", Proc. SPIE 5508, Complex Mediums V: Light and Complexity, (2 August 2004); https://doi.org/10.1117/12.553169

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