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7F0 → 5D0 excitation spectrum of Cs2NaEuCl6 and Cs2NaY1−xEuxCl6

✍ Scribed by Marco Bettinelli; Colin D. Flint

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
325 KB
Volume
167
Category
Article
ISSN
0009-2614

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✦ Synopsis

The 7Fo+5D0 transition of EuCI:-in cubic environments in the title compounds has been studied by dye laser excitation spectroscopy. Structured vibronic origins due to the Y.,, u3 and the sodium lattice vibrations dominate the vibronic spectrum. Vibrational dispersion of uq and v3 is surprisingly large at about 30 and 70 cm-', respectively. The intensity of the sodium motion is much higher than for other 'Fp5D, transitions. These observations are important in understanding energy migration in the title compounds.

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