0 votes
342 views
in The Solid State by (34.6k points)
closed by

1. Classify each of the following as being either a p- type or a n-type semiconductor.

  • Ge dopped with In 
  • Si dopped with B

 2. A compound is formed by two elements P and Q. The element Q forms ccp and atoms of P occupy 1/3rd of the tetrahedral voids. What is the formula of the compound?

1 Answer

+1 vote
by (37.1k points)
selected by
 
Best answer

1. Either a p- type or a n-type semiconductor.

  • Ge dopped with In → p-type 
  • Si dopped with B → p-type

2. The formula of the compound 

Q = 4

No. of tetrahedral voids = 2N = 2 × 4 = 8

P = 1/3 × 8 = 8/3

Q8/3P4 = Q8P12 = Q2P3

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...