Preparation and fluorescence properties of La2CaB 10O19 crystals doped with Pr3+ ions

A. M. El-Naggar; N. S. Alzayed; A. Majchrowski; L. Jaroszewicz; M. G. Brik; W. Kuznik; I. V. Kityk

doi:10.1016/j.jcrysgro.2011.08.037

Preparation and fluorescence properties of La₂CaB ₁₀O₁₉ crystals doped with Pr³⁺ ions

A. M. El-Naggar
, N. S. Alzayed
, A. Majchrowski
, L. Jaroszewicz
, M. G. Brik^*
, W. Kuznik
, I. V. Kityk

^*Šī darba korespondējošais autors

King Saud University
Ain Shams University
Military University of Technology Warsaw
University of Tartu
Silesian University of Technology
Częstochowa University of Technology

Zinātniskās darbības rezultāts: Devums žurnālam › Zinātniskais raksts (žurnālā) › koleģiāli recenzēts

23 Atsauces (Scopus)

Kopsavilkums

High quality La₂CaB₁₀O₁₉ single crystals doped with Pr³⁺ ions were grown by means of the top seeded solution growth method. The concentration of Pr³⁺ ions in the starting melt was equal to 4 at%, which in consequence gave single crystals containing 2.5 at% of Pr³⁺ ions, due to small distribution coefficient. The absorption and luminescence spectra were recorded in the wavelength range from 200 to 3000 nm at an ambient temperature of 24 °C and analyzed using the JuddOfelt theory. With the intensity parameters obtained in the present work, the estimated radiative life time of the ³P₀ emitting state is 28 μs. Possible applications of this crystal as a luminophore are discussed.

Oriģinālvaloda	Angļu
Lapas (no-līdz)	122-125
Lapu skaits	4
Žurnāls	Journal of Crystal Growth
Sējums	334
Izdevuma numurs	1
DOIs	https://doi.org/10.1016/j.jcrysgro.2011.08.037
Publikācijas statuss	Publicēts - 1 nov. 2011
Ārēji publicēts	Jā

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title = "Preparation and fluorescence properties of La2CaB 10O19 crystals doped with Pr3+ ions",

abstract = "High quality La2CaB10O19 single crystals doped with Pr3+ ions were grown by means of the top seeded solution growth method. The concentration of Pr3+ ions in the starting melt was equal to 4 at\%, which in consequence gave single crystals containing 2.5 at\% of Pr3+ ions, due to small distribution coefficient. The absorption and luminescence spectra were recorded in the wavelength range from 200 to 3000 nm at an ambient temperature of 24 °C and analyzed using the JuddOfelt theory. With the intensity parameters obtained in the present work, the estimated radiative life time of the 3P0 emitting state is 28 μs. Possible applications of this crystal as a luminophore are discussed.",

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author = "El-Naggar, \{A. M.\} and Alzayed, \{N. S.\} and A. Majchrowski and L. Jaroszewicz and Brik, \{M. G.\} and W. Kuznik and Kityk, \{I. V.\}",

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doi = "10.1016/j.jcrysgro.2011.08.037",

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AU - El-Naggar, A. M.

AU - Alzayed, N. S.

AU - Majchrowski, A.

AU - Jaroszewicz, L.

AU - Brik, M. G.

AU - Kuznik, W.

AU - Kityk, I. V.

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N2 - High quality La2CaB10O19 single crystals doped with Pr3+ ions were grown by means of the top seeded solution growth method. The concentration of Pr3+ ions in the starting melt was equal to 4 at%, which in consequence gave single crystals containing 2.5 at% of Pr3+ ions, due to small distribution coefficient. The absorption and luminescence spectra were recorded in the wavelength range from 200 to 3000 nm at an ambient temperature of 24 °C and analyzed using the JuddOfelt theory. With the intensity parameters obtained in the present work, the estimated radiative life time of the 3P0 emitting state is 28 μs. Possible applications of this crystal as a luminophore are discussed.

AB - High quality La2CaB10O19 single crystals doped with Pr3+ ions were grown by means of the top seeded solution growth method. The concentration of Pr3+ ions in the starting melt was equal to 4 at%, which in consequence gave single crystals containing 2.5 at% of Pr3+ ions, due to small distribution coefficient. The absorption and luminescence spectra were recorded in the wavelength range from 200 to 3000 nm at an ambient temperature of 24 °C and analyzed using the JuddOfelt theory. With the intensity parameters obtained in the present work, the estimated radiative life time of the 3P0 emitting state is 28 μs. Possible applications of this crystal as a luminophore are discussed.

KW - A1. JuddOfelt parameters

KW - A1. Spectral properties

KW - B1. Pr:LCBO

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