Wen Jiu-fu
2009
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Journal
jOURNAL OF southwest University for Nationalities
Abstract
Beryl is a kind of silicate minerals of complicated structure.Al3+can be replaced by Fe2+ or Fe3+.The research about the absorption spectrum of this crystal helps us understand the structure of beryl crystal, which serves to make this crystal applied.This paper quotes an average covalent factor N and considers the electrostatic and cubic crystal field interaction.The absorption spectra of Fe3+ dropped in beryl crystal is calculated theoretically by using the complete diagonlizing method, and at the same time, the absorption peaks of experimental results are identified.The result shows that the calculated results are in agreement with experiments.