D.M. Burland, U. Konzelmann
The Journal of Chemical Physics
An unusually large zero-field splitting of the lowest triplet state has been observed directly in the phosphorescence spectrum of the xanthione molecule in a xanthone host crystal. There are two xanthione guest sites in the host crystal. In one of the sites the zero-field parameter D is -11 cm-1 and in the other it is -20 cm-1. These results have been confirmed by measurements of the Zeeman splittings. It is argued that the large D values are due to spin-orbit coupling. © 1980.
D.M. Burland, U. Konzelmann
The Journal of Chemical Physics
C. Poga, D.M. Burland, et al.
Optical Science, Engineering and Instrumentation 1995
W.E. Moerner, G.C. Bjorklund, et al.
OTF 1993
M. Stähelin, C.R. Moylan, et al.
The Journal of Chemical Physics