1. Anomalous homogeneous optical absorption line broadening of Eu3+ in superionic PbF2
- Author
-
P. R. Findley, W.C. Walker, and Zenglie Wu
- Subjects
Materials science ,Absorption spectroscopy ,Condensed matter physics ,General Chemistry ,Atmospheric temperature range ,Conductivity ,Condensed Matter Physics ,Spectral line ,Ion ,symbols.namesake ,Crystallography ,Laser linewidth ,symbols ,General Materials Science ,Homogeneous broadening ,Raman spectroscopy - Abstract
Homogeneous broadening of one of the 5 D 1 ← 7 F 0 absorption lines of Eu 3+ in PbF 2 was measured in the temperature range 300–800 K. Below 625 K the linewidth depends linearly on T ; above 625 K it increases rapidly followed by a plateau beginning near 700 K. This behavior is quite distinct from that expected for the normal Raman process in crystalline materials and appears to be correlated with F - ion motion responsible for the superionic conductivity of PbF 2 .
- Published
- 1982
- Full Text
- View/download PDF