Digitale Medien
College Park, Md.
:
American Institute of Physics (AIP)
The Journal of Chemical Physics
88 (1988), S. 7312-7316
ISSN:
1089-7690
Quelle:
AIP Digital Archive
Thema:
Physik
,
Chemie und Pharmazie
Notizen:
The luminescence properties of Cs2 NaGdCl6 are reported. In the emission, as well as the excitation spectra of the Gd3+ luminescence, vibronic lines are present due to coupling with the ν3 , ν4, and ν6 vibrational modes of the GdCl3−6 octahedron. The magnetic–dipole character of the zero-phonon transitions is confirmed by the long decay time of the 6 P7/2 emission. Energy migration among the Gd3+ ions is absent, due to the large distance (7.6 A(ring)) between nearest-neighbor Gd3+ ions. The emission from two extrinsic Gd3+ ions shows a coupling with the O–H stretching and bending modes.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1063/1.454342
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