Abstract
TDPAC study of InBi1−x Te x with x=0.0, 0.01, 0.05, 0.1 and 0.2 as a function of temperature is done. Both pure and Te-doped samples show a semi-metallic character up to around room temperature. Above room temperature a steep transition to semiconducting state was observed, which is independent of the doping concentrations. Hence Te may be in the interstitial sites. Conductivity measurement of the above samples showed the same trend as observed in the EFG studies. Thus the importance of the conduction electron density is prominently seen in these systems.
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Pal, G., Sebastian, K.C. & Somayajulu, D.R.S. EFG Studies at 111Cd in InBi Systems. Hyperfine Interactions 136, 613–617 (2001). https://doi.org/10.1023/A:1020530623249
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DOI: https://doi.org/10.1023/A:1020530623249