Abstract
The effect of dimensional quantization on the density of states in amorphous semiconductors is studied theoretically. The disorder is treated as a random potential with zero correlation length (eewhite noiseee). The transition of the density of states from staircase to smooth behavior with increasing disorder is traced for high-energy electrons and it was found to occur at substantially smaller film thicknesses than in experimental data. The possibility of resolving this contradiction in other models of disorder is discussed.
Original language | English (US) |
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Pages (from-to) | 7701-7704 |
Number of pages | 4 |
Journal | Physical Review B |
Volume | 41 |
Issue number | 11 |
DOIs | |
State | Published - Jan 1 1990 |
Externally published | Yes |