PROBLEM 3 Consider a Si sample under equilibrium conditions, doped with Boron to a concentration 1017 cm-3. At T = 300K, is this material n-type or p-type? What are the majority a) and minority carrier concentrations? Answers: n-type p-type majority carriers minority carriers As the temperature of this sample is increased, ni will eventually b) increase to be higher than the dopant concentration, and the sample will become intrinsic (n =p=ni). Estimate the temperature at which this oCcurs, by finding the temperature at which ni be much greater (at least 10x higher) than the dopant concentration. (You can simply use the plot of ni vs. T in the previous problem - Problem 3.)
PROBLEM 3 Consider a Si sample under equilibrium conditions, doped with Boron to a concentration 1017 cm-3. At T = 300K, is this material n-type or p-type? What are the majority a) and minority carrier concentrations? Answers: n-type p-type majority carriers minority carriers As the temperature of this sample is increased, ni will eventually b) increase to be higher than the dopant concentration, and the sample will become intrinsic (n =p=ni). Estimate the temperature at which this oCcurs, by finding the temperature at which ni be much greater (at least 10x higher) than the dopant concentration. (You can simply use the plot of ni vs. T in the previous problem - Problem 3.)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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