Temperature quenching of Ce 3+  impurity ion fluorescence in Y 2 O 2 S: Spatial confinement effect in multiphonon relaxation | Zendy

Feofilov S. P. | Zendy; Kulinkin A. B. | Zendy; Zakharchenya R. I. | Zendy; Hölsä J. | Zendy; Malkamäki M. | Zendy

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Temperature quenching of Ce 3+ impurity ion fluorescence in Y 2 O 2 S: Spatial confinement effect in multiphonon relaxation

Author(s) -

Feofilov S. P.,

Kulinkin A. B.,

Zakharchenya R. I.,

Hölsä J.,

Malkamäki M.

Publication year - 2013

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.201200484

Subject(s) - relaxation (psychology) , excited state , ion , quenching (fluorescence) , impurity , atomic physics , fluorescence , spectroscopy , materials science , chemistry , analytical chemistry (journal) , physics , optics , psychology , social psychology , organic chemistry , quantum mechanics , chromatography

The non‐radiative decay of the 5d excited state of Ce 3+ ions in Y 2 O 2 S was studied with fluorescence spectroscopy. It is shown that temperature quenching of Ce 3+ ion fluorescence is due to high‐order multiphonon relaxation. The direct evidence of spatial confinement effect in multiphonon relaxation was obtained: relaxation is more efficient in nanoparticles than in micron‐sized particles.

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