Table 2. Calculated and Experimental Frequencies of the Folding-Originated Modes for GaP TSL Expressed as Frequency Shifts from the TO Modea.
TSL mode 1(cm–1) | TSL mode2 (cm–1) | TSL mode3 (cm–1) | TSL mode 4 (cm–1) | TSL mode 5 (cm–1) | TSL mode 6 (cm–1) | TSL mode 7(cm–1) | |
---|---|---|---|---|---|---|---|
theory | 7.6 | 9.5 | 14.0 | 18.9 | 23.5 | 27.0 | 29.0 |
exp. | 7.9 | 9.6 | 14.4 | 20.2 | 24.6 | 29.3 |