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.)

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter13: An Introduction To Ultraviolet-visible Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 13.12QAP: The equilibrium constant for the reaction 2CrO42+2H+Cr2O72+H2O is 4.2 1014. The molar...

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