scholarly journals OPTICAL ABSORPTION SPECTRA OF LIQUID ALKALI HALIDES-F-CENTER GENERATION AT VERY HIGH TEMPERATURES

1991 ◽  
Vol 01 (C5) ◽  
pp. C5-141-C5-146
Author(s):  
S. HOSOKAWA ◽  
S. YAMADA ◽  
K. TAMURA
Keyword(s):  
Optical Absorption ◽  
Absorption Spectra ◽  
High Temperatures ◽  
Alkali Halides ◽  
Optical Absorption Spectra ◽  
F Center ◽  
Very High

Optical Absorption Spectra of the A Band in KBr:Pb2+ Crystals

1975 ◽  
Vol 53 (2) ◽  
pp. 200-201 ◽  
Author(s):  
Taiju Tsuboi ◽  
Robert E. Chaney ◽  
P. W. M. Jacobs
Keyword(s):  
Optical Absorption ◽  
Absorption Spectra ◽  
High Temperatures ◽  
Line Shape ◽  
Low Temperatures ◽  
Alkali Halides ◽  
Teller Effect ◽  
Optical Absorption Spectra ◽  
Jahn Teller ◽  
Jahn Teller Effect

The shape of the A band in KBr:Pb2+ has been studied at various temperatures between 13 and 296 K. The band is almost symmetric at low temperatures but slightly asymmetric at high temperatures. The observed line shape of the A band in KBr:Pb2+ is discussed in terms of the Jahn–Teller effect and is compared with that of the A band in In+ and Tl+ doped alkali halides.

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