Answered: Question A10 Consider a Si dopant atom… | bartleby

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Question A10
Consider a Si dopant atom in n-doped gallium arsenide.
a) Which site (Ga or As) does the Si atom occupy? Explain your answer.
b) Use the Bohr model of hydrogen to estimate the binding energy and orbit radius of an electron
bound to this atom. Comment on the magnitude of these values.
Data: Dielectric constant of GaAs: r = 12.88
Effective electron mass: m² = 0.067me

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[Condensed Matter Physics]