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