A sample of pure Si is doped with 1.0 part per million of As to form material A. Material A is then — Solid State Chemistry Question
Question
A sample of pure Si is doped with 1.0 part per million of As to form material A. Material A is then doped with 0.5 ppm of B to form material B. What is the correct order when the three materials are arranged in order of increasing electrical conductivity?
A.
Pure Si < A < B
B.
B < A < Pure Si
C.
B < Pure Si < A
D.✓ Correct
Pure Si < B < A
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