Title :
The F-center electron activation energy in sodalite
Author :
Tranjan, Farid M. ; Todd, Lee T., Jr.
Author_Institution :
North Carolina Univ., Charlotte, NC, USA
Abstract :
The coloration and erasure properties of the F-center in cathodochromic sodalite as a function of various chemical substitutions are studied. Several chemical compositions of halogen (Br, Cl, I)- and Ge-doped sodalite:Br are grown by the hydrothermal growth technique. The absorption energy and the thermal activation energy of the electron in the F-center are measured as a function of the material lattice parameter a/sub 0/.<>
Keywords :
F-centres; cathodochromism; defect electron energy states; impurity and defect absorption spectra of inorganic solids; sodium compounds; visible and ultraviolet spectra of inorganic solids; F-center electron activation energy; Na/sub 6/Al/sub 6/Si/sub 6/O/sub 24/:Br; Na/sub 6/Al/sub 6/Si/sub 6/O/sub 24/:Cl; Na/sub 6/Al/sub 6/Si/sub 6/O/sub 24/:Ge; Na/sub 6/Al/sub 6/Si/sub 6/O/sub 24/:I; absorption energy; cathodochromism; chemical substitutions; coloration; erasure properties; hydrothermal growth technique; lattice parameter; sodalite; thermal activation energy; Absorption; Cathode ray tubes; Chemicals; Displays; Electron beams; Lattices; Material storage; Optical materials; Photochromism; Powders;
Conference_Titel :
System Theory, 1988., Proceedings of the Twentieth Southeastern Symposium on
Conference_Location :
Charlotte, NC, USA
Print_ISBN :
0-8186-0847-1
DOI :
10.1109/SSST.1988.17123
