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Consider a germanium wafer which has been doped with antimony to become extrinsically semiconducting at room temperature.
a. What type of semiconductor is antimony doped germanium? What are the majority (or dominant) charge carriers in this material near room temperature (RT)?
b. On the graph provided sketch the expected relationship between antimony concentration and the electrical conductivity near Room Temperature. Provide a brief explanation.
c. On the graph provided sketch the expected relationship between electrical conductivity and temperature near Room Temperature (say +/- 10oC). Provide a brief explanation.
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