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9.1437e15 vacancies/cm3
a. [10-3] b. [31-3] c. [01-3]
In the order from the left to the right of the graph, the solutions is: 1. Contains dopant (on the left) 2. Extrinsic region 3. No dopant present 4. Intrinsic region (on the right)
Solution: 9.8e-10 meter Deatils: - Calculated N-N bond energy: 150.4kJ/mol = 2.507e-19J/molecule. - v electron speed: 7.42e5 m/s - de Borglie wave lenght = h / (m x v), where h Planc constant, m electron mass, v electron speed

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