Cooperative optical phenomena in praseodymium doped CsCdBr3

J. Heber; Sergey I. Nikitin; R. Demirbilek; Alexander G. Papashvili; Ivan N. Vorob'ev; Olimkhon K. Alimov; Yurii V. Orlovskii; E O Orlovskaya

doi:10.1117/12.475336

12 July 2002 Cooperative optical phenomena in praseodymium doped CsCdBr₃

J. Heber, Sergey I. Nikitin, R. Demirbilek, Alexander G. Papashvili, Ivan N. Vorob'ev, Olimkhon K. Alimov, Yurii V. Orlovskii, E O Orlovskaya

Author Affiliations +

Proceedings Volume 4766, XI Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transition Metal Ions; (2002) https://doi.org/10.1117/12.475336
Event: XI Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transition Metal Ions, 2001, Kazan, Russian Federation

Abstract

In CsCdBr₃ the trivalent Rare-Earth (RE) ions substitute for the divalent Cd ions. For reasons of charge compensation and the specific crystal structure, RE centers of the form RE³⁺ - (Cd vacancy) - RE³⁺ are preferentially formed. These symmetric pair centers are very suitable for studying cooperative effects of RE ions. These include processes between the ions of the pair as well as processes between the coupled pair and the electronic excitations of the host lattice. Experiments will be shown and discussed on: (i) cross relaxation and up-conversion by direct ion-ion interaction; (ii) cooperative cross relaxation of the Pr³⁺ pairs with the host lattice; and (iii) cooperative vibronic emission of the Pr³⁺ pairs with high phonon progressions.

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J. Heber, Sergey I. Nikitin, R. Demirbilek, Alexander G. Papashvili, Ivan N. Vorob'ev, Olimkhon K. Alimov, Yurii V. Orlovskii, and E O Orlovskaya "Cooperative optical phenomena in praseodymium doped CsCdBr₃", Proc. SPIE 4766, XI Feofilov Symposium on Spectroscopy of Crystals Activated by Rare-Earth and Transition Metal Ions, (12 July 2002); https://doi.org/10.1117/12.475336

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