List of top Material Science and Technology Questions on Semiconductor

Which of the following statements about density of states are correct?
A. \(n(E)\propto E^{-1/2\) in 1D,
B. \(n(E)\propto E^{1/2}\) in 3D,
C. \(n(E)\) is constant in 2D,
D. \(n(E)\propto E^{-1}\) in 2D, E. \(n(E)\propto E\) in 3
D.}

Which of the following are applications of nanoparticles in biomedical field?
A. Non-destructive evaluation,
B. Diagnosis,
C. Antibody probes,
D. Aiding controlled drug delivery to infected cells, E. Catalysts.

The effective density of states of electrons (\(N_c\)) at the conduction band edge of the intrinsic semiconductor varies with temperature, as:

Which current does not contribute to a uniformly doped semiconductor: