A Raman spectroscopy study of the properties and chemical state of the surface of CdTe and CdHgTe

The comprehensive evaluation of the structural and functional properties of the gas- statically treated Au–CdZnTe–Au structures for X- and gamma-ray detectors

“…1 shows the Raman spectra from the region of the CdZnTe crystals that was directly adjacent to the gold contact of AuCdZnTe-Au structures. As we can see, in the low frequency range, the acoustic vibration related modes LA-TA and LO-TA of the CdTe lattice with the peak positions at 91 and 97 cm À 1 are observed (Fedyaeva, 2011;Olego et al, 1985;Perkovitz et al, 1990;Tawlar et al, 1993). The vibrational mode at 121 cm À 1 is caused by the Te precipitates located on the sample surface.…”