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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 8, Number 2
BKCSDE 8(2)
February 20, 1987 

 
Title
Polarization of the A-Band Emission from RbCl : Pb2+
Author
Jun-Gill Kang
Keywords
Abstract
The angular dependence of polarization of the A-band emission from RbCl:Pb2+ is measured at 13.4 K to determine the symmetry axes of the Pb2+-v-c dipoles. The results indicate that these centers posess tetragonal symmetry. This implies that v-c is situated in the next-nearest-neighbor (nnn) position to the Pb2+ ion. The polarization ratio of the A-band emission measured at various temperatures is found to be independent of the temperature. The temperature independence of polarization confirms that, for the Pb2+ ion, the Jahn-Teller effect reduced by strong spin-orbit interaction does not give rise to thermal depolarization.
Page
115 - 118
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