Raman spectrum of Zn4O(BO2)6
- 14 October 1976
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 9 (19) , 3691-3700
- https://doi.org/10.1088/0022-3719/9/19/020
Abstract
The first-order Raman spectrum of cubic zinc metaborate has been measured at room temperature, and the number of q=0 phonon frequencies found exceeds the group theoretical prediction by one. The additional band appears as an interference feature at 122.5 cm-1and is thought to be attributable to some impurity introduced during crystal growth. The results are in reasonable agreement with an earlier qualitative investigation of the infrared transmission spectrum of this material, and the reported fluorescent properties are verified. A comparison between the Raman results for zinc metaborate and those for Cr3B7O13Cl shows some correlations. A simple force-constant calculation identified four bands in each compound that can be associated with vibrations of BO4tetrahedra contained within the boron-oxygen framework.Keywords
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