Dependence of Impurity Absorption Bands on Lattice Parameters in Alkali Halide Crystals

1974 ◽  
Vol 65 (2) ◽  
pp. K123-K127 ◽  
Author(s):  
R. C. Tyagi ◽  
V. C. Sethi
1973 ◽  
Vol 51 (21) ◽  
pp. 2242-2248 ◽  
Author(s):  
Robert E. Chaney ◽  
P. W. M. Jacobs ◽  
Taiju Tsuboi

The fundamental properties of the absorption spectra of KBr:Pb2+ crystals have been studied at various temperatures from the liquid helium range to room temperature. The observed absorption bands are assigned to the so-called A, B, C, and D' bands by analogy with the absorption bands of other s2-configuration ions in alkali halide crystals. The B, C, and D′ bands overlap but have been resolved into their components by nonlinear least squares analysis. A discussion is given of the energy separation between the B and C bands in Sn2+-, Tl+-, and Pb2+-doped alkali halide crystals.


1962 ◽  
Vol 17 (9) ◽  
pp. 1483-1488 ◽  
Author(s):  
Masamitsu Hirai ◽  
Mikihiko Ikezawa ◽  
Masayasu Ueta

1997 ◽  
Vol 92 (6) ◽  
pp. 1029-1033
Author(s):  
A. BATANA ◽  
J. BRUNO ◽  
R.W. MUNN

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