Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 12 - Problems: 12.118

Answer

a) n-type b) p-type

Work Step by Step

(i)B is a 13th group element and Si is a 14th group element .When 13th group element is doped with In a 14th group element, created hole will generate n–type semiconductor. ii) Ge is a 14th group element and In is a 13th group element .When 14th group element is doped with In a 13th group element, a electron deficit hole created .Hence Ge doped with In will generate p–type semiconductor.
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