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Crystals 2019, 9(1), 44; https://doi.org/10.3390/cryst9010044

Comparative Investigation on the Emission Properties of RAl3(BO3)4 (R = Pr, Eu, Tb, Dy, Tm, Yb) Crystals with the Huntite Structure

1
Department of Chemical Sciences, Life and Environmental Sustainability, Parma University, 43124 Parma, Italy
2
Department of Crystallography and Crystal Chemistry, Lomosonov Moscow State University, Moscow 119991, Russia
*
Author to whom correspondence should be addressed.
Received: 10 December 2018 / Revised: 11 January 2019 / Accepted: 13 January 2019 / Published: 16 January 2019
(This article belongs to the Special Issue Crystal Growth of Multifunctional Borates and Related Materials)
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Abstract

The luminescence properties of RAl3(BO3)4 (RAB, with R = Pr, Eu, Tb, Dy, Tm, Yb) huntite crystals grown from K2Mo3O10 flux were systematically characterized in order to investigate their excitation dynamics, with particular reference to the concentration quenching that in these systems is incomplete. To this purpose, selected excitation, emission, and decay profile measurements on diluted R:YAB crystals were carried out and compared with those of the concentrated compounds. The effects of the energy transfer processes and of the lattice defects, as well as the ion-lattice interactions, have been taken into consideration in order to account for the experimental results. View Full-Text
Keywords: borate crystals; luminescence; rare earth spectroscopy borate crystals; luminescence; rare earth spectroscopy
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Cavalli, E.; Leonyuk, N.I. Comparative Investigation on the Emission Properties of RAl3(BO3)4 (R = Pr, Eu, Tb, Dy, Tm, Yb) Crystals with the Huntite Structure. Crystals 2019, 9, 44.

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