Quantum splitting in praseodymium-doped lanthanum aluminum dimetaborate crystals at X-ray excitation.

Autor:	Kononets, N. V., Viagin, O. G., Seminko, V. V., Maksimchuk, P. O., Koporulina, E. V., Leonyuk, N. I., Malyukin, Y. V.
Předmět:	PRASEODYMIUM LANTHANUM ALUMINUM CRYSTALS EXCITATION spectrum PHOTONS LIGANDS (Chemistry)
Zdroj:	Spectroscopy Letters; 2017, Vol. 50 Issue 7, p359-363, 5p
Abstrakt:	Mixed lanthanum-praseodymium aluminum dimetaborate and aluminum orthoborate crystals were grown. The processes of excitation energy relaxation for the crystals were compared. For praseodymium-doped lanthanum aluminum dimetaborate crystals, the effect of quantum splitting was predicted and observed experimentally: under X-ray excitation emission of two photons at1S0 →1D2 and1D2 →3H4 transitions was shown. The possibility of quantum splitting for aluminum dimetaborates can be explained by the relatively high cation-ligand distances for this lattice. [ABSTRACT FROM PUBLISHER]
Databáze:	Complementary Index
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