Kittel 8.1: Calculate Donor Ionization Energy

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The discussion centers on a homework problem from Kittel's Solid-state physics book, specifically problem 8.1, which involves calculating the donor ionization energy. Participants express confusion over the unspecified impurity and its context within the problem. The equations referenced, (51) and (52), are acknowledged as relevant but lack clarity due to the missing details. There is a call for assistance in identifying the impurity and the medium it is in. Overall, the thread highlights the need for more information to solve the problem effectively.
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Homework Statement


This question refers to Kittel's Solid-state physics book.

I think it is obvious that we should use equations (51) and (52) here but I am very confused about this problem because Kittel never says what the impurity is and what the impurity is in.
Can someone fill in the blanks:
(a) Calculate the donor ionization energy of _____ in _______ .


Homework Equations





The Attempt at a Solution

 
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Which problem? What are you talking about?
 
Dick said:
Which problem? What are you talking about?

This question refers to problem 8.1 in Kittel's Solid-state physics book.
 
(a) The polarisation pattern is elliptical with maximum (1,1) and minimum (-1,-1), and anticlockwise in direction. (b) I know the solution is a quarter-wave plate oriented π/4, and half-wave plate at π/16, but don't understand how to reach there. I've obtained the polarisation vector (cos π/8, isin π/8) so far. I can't find much online guidance or textbook material working through this topic, so I'd appreciate any help I can get. Also, if anyone could let me know where I can get more...

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