Infra-red bands which were attributed to localized vibrational modes of Al-related point defects were examined. The proposed defects and their properties (table 8) were determined.
B.V.Dutt, M.Al-Delaimi, W.G.Spitzer: Journal of Applied Physics, 1976, 47[2], 565-72
Table 8
Proposed Defects Associated with Al in CdTe
Defect | Point-Group Symmetry | Vibrational Frequencies at 80K (/cm) |
AlCd | Td | 299 |
AlCdVCd | Cs | 282, 287, 326 |
AlCdSbTe | C3v | 279, 334 |
AlCdCuCd | Cs | 291, 294, 310 |
AlCdAgTe | C3v | 293, 314 |
AlCdAgi | C3v | 293, 314 |
AlCdAuTe | C3v | 292, 313 |
AlCdAui | C3v | 292, 313 |
AlCdAuCd | Cs | 288 |