Materials Science and Engineering: An Introduction

Published by Wiley
ISBN 10: 1118324579
ISBN 13: 978-1-11832-457-8

Chapter 18 - Electrical Properties - Questions and Problems - Page 780: 18.27b

Answer

No free electron is generated by the electron excitation involving an acceptor impurity atom because the electron is excited from the valence band into the impurity level within the band gap; thus, no free electron is introduced into the conduction band.

Work Step by Step

No free electron is generated by the electron excitation involving an acceptor impurity atom because the electron is excited from the valence band into the impurity level within the band gap; thus, no free electron is introduced into the conduction band.
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