Luminescence of Cs 2 NaYCl 6 —Bi 3+  (6s 2 ) | Zendy

Van Steen A. C. Der | Zendy

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Luminescence of Cs 2 NaYCl 6 —Bi 3+ (6s 2 )

Author(s) -

Van Steen A. C. Der

Publication year - 1980

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.2221000227

Subject(s) - excited state , luminescence , excitation , atomic physics , ion , absorption (acoustics) , emission spectrum , absorption spectroscopy , spectral line , chemistry , physics , optics , organic chemistry , quantum mechanics , astronomy

The luminescence properties of Bi 3+ ‐activated Cs 2 NaYCl 6 crystals are presented. The Bi 3+ ion (6s 2 ) occupies an Y 3+ site which has cubic symmetry. Excitation in the A absorption band yields 3 T 1u emission. Excitation in the C absorption band, however, yields 3 T 1u and 3 A 1u emission, because both levels are populated by nonradiative processes from the 1 T 1u excited state. The emission and excitation spectra show vibrational structure. The vibronic lines are assigned and discussed.

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