Electronic absorption in silicate mineral of copper |
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| Authors: | S. V. J. Lakshman B. J. Reddy K. Janardhanam V. L. R. Murthy P. Rama Devi |
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| Affiliation: | (1) Department of Physics, S. V. University, 517502 Tirupati, India |
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| Abstract: | The electronic absorption spectrum of chrysocolla, a silicate mineral of copper, has been studied at room and liquid air temperatures. The observed bands were satisfactorily explained as belonging to Cu2+ ion subjected to tetragonal and spin-orbit fields. A good fit between the theoretical and observed band positions was obtained for the following crystal field parameters:Dq=–1400 cm–1Ds=–3000 cm–1Dt=–800 cm–1 =–800 cm–1 |
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