MIGRATION AND EFFECTS OF COPPER IN P-TYPE BISMUTH TELLURIDE
Abstract
The effects of Cu on p-type Bi2Te3 were studied by examining the changes in resistivity and thermoelectric power induced in samples placed in intimate contact with Cu. The experimental results were used to estimate the over-all change in the electrical transport parameters between the limits of no Cu present and full compensation. Because of analytical difficulties, it was not possible to determine such changes for intermediate degrees of doping. Furthermore, the data for the regions in which the host lattice was overcompensated indicated that a chemical change was taking place. The interpretation of these measurements allowed the activation energy for diffusion of Cu in the direction parallel to the cleavage planes to be measured; the results agreed with those reported by others. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 1960
- Accession Number
- AD0265557
Entities
People
- Oscar P. Manley
Organizations
- Massachusetts Institute of Technology