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Dopants at adjacent sites. Probability. Solid State Physics.

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theleftside
#1
Dec6-13, 08:41 AM
P: 1
Hi,

Could someone explain how to calculate the probability that two substitutional dopants will reside in adjacent lattice sites.

For example, given a dopant concentration of 5% and a crystal structure in which each lattice site/atom is coordinated to 8 others what is the probability of finding two dopant atoms residing in adjacent lattice sites?

Thanks for any insight!
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Claude Bile
#2
Dec7-13, 10:17 AM
Sci Advisor
P: 1,477
Well, the probability of a dopant being isolated would be (1-0.05)^8 (using your example). I'm sure you can figure out the rest.

Claude.


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