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
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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Transcribed Image Text: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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