Abstract
A solid solution of PtTe in PbTe was investigated. The method of preparing crystalline samples using the Czochralski procedure is described. A detailed microprobe analysis was also made. The transport properties in the 10–300 K range and the room temperature reflectivity coefficient in the FIR range were measured. Free-carrier mobility at room temperature was 0.12m 2V −1s −1, but at 15K it increased to a value of about 14 m 2 V −1s −1. The optical results indicated that the plasma frequency was lower (and had moved into the FIR range) compared with the value for pure PbTe.
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