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Point-ion-lattice calculations on F+ centers in lithium niobate and lithium tantalate

✍ Scribed by Fat Duen Ho

Publisher: John Wiley and Sons
Year: 1982
Tongue: English
Weight: 299 KB
Volume: 114
Category: Article
ISSN: 0370-1972
DOI: 10.1002/pssb.2221140124

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✦ Synopsis

Abstract

Wave functions for the ground states and the first excited states of the F^+^ centers in lithium niobate and lithium tantalate are calculated by using the point‐ion‐lattice model exclusive of the effects of polarizations in the first approximation. The Schrödinger equation is solved variationally. The transition energies are obtained by this very simple treatment, which are compared with the available optical data. This calculation yields the results which agree within some 5% and 23% of the experimental values for LiNbO~3~ and LiTaO~3~, respectively.

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