Charge of a hole

Main Question or Discussion Point

Hi all,
What causes the electrons to jump into holes??

Thanks,
Karthikeyan.K
 
Last edited:

Answers and Replies

ZapperZ
Staff Emeritus
Science Advisor
Education Advisor
Insights Author
2018 Award
35,222
4,039
Hi all,
I have a basic doubt. We say holes are positively charged. Is there any experiment which says that holes are positive ?? or is that only because it attracts electrons we call it positively charged?

Thanks...
Karthikeyan.K
Look at the Hall effect in an n-type semiconductor and a p-type semiconductor.

Zz.
 
daniel_i_l
Gold Member
867
0
Because of the uncertainty principle there's always a probability that the electron will change it's state. so if we take a set of base states where each state x corresponds to the electron being at atom x then if atom x has a "hole" (missing an atom) there's always a non zero probability that an electron in the state x-1 will go into state "x" and then the hole will have moved to the left. (the same thing applys to electrons at other atoms)
 

Related Threads for: Charge of a hole

Replies
1
Views
778
Replies
2
Views
2K
Replies
3
Views
17K
Replies
21
Views
2K
Replies
8
Views
2K
  • Last Post
Replies
21
Views
4K
  • Last Post
Replies
19
Views
5K
Top