A resonance electronic raman effect
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Part the Raman spectrum of a single crystal of terbium aluminium garnet was studied using various exciting frequencies. A strong electronic peak corresponding to a transition within the 7F6 manifold was observed at 84 cm^-1. The dependence of the electronic peak intensity on exciting frequency was investigated by comparison with the phonon modes at 139 cm^-1 and 266.8 cm^-1, the latter being used as internal standards. Intensity ratios were thus calculated and interpreted on the basis of a modified version of Placzek's polarizability model.These measurements showed a resonance enhancement of the electronic Raman transition as the incident radiation frequency approached the frequency of absorption, that is, there was a definite pre-resonance Raman effect involved.
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Copyright © 1977 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 1977
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