(viii [2 Marks] Boltzmann approximations to the Fermi-Dirac distribution functions are only valid when: (a) The Fermi l...
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1. Sketch the Fermi-Dirac distribution and appropriate forms of the Maxwell-Boltzmann approximation versu energy on a common set of axes. How far must the energy be above the Fermi level at 300K for the appropriate M-B approximation to result in an error of less than 3% in the occupation probability? How far below? Repeat for probability of being empty [1-P-").(Hint: m electron=9.1x 10.31 kg, q= 1.6 x 10-19 C)
i. l e blank(s). A gap suggest two-word in your answer Drift current in semiconductors is due to electric [20] tield. Carriers in the band are referred to as statistics is applied to electrons in The semiconductors. The position and principle states that we cannot simultaneously determine the of electrons. Vy is a . while w is a number and Current in the conduction is due to the flow of Extrinsic semiconductors are vii. viii. The wave function in Schrodinger's...