9.3. SIZE AND DIMENSIONALITY EFFECTS
243
W E )
Quantum
Dot
Quantum
Wire
Number of
Electrons N(E)
L E
Density of
states, D(E)
I E
E
E
Quantum w e ,
:
,n
NE)
Bulk
Conductor
E
E
E
n E
Figure 9.15. Number of electrons N(E) (left side) and density of states D(€J (right side) plotted
against the energy for four quantum structures in the square welKermi gas approximations.
243
W E )
Quantum
Dot
Quantum
Wire
Number of
Electrons N(E)
L E
Density of
states, D(E)
I E
E
E
Quantum w e ,
:
,n
NE)
Bulk
Conductor
E
E
E
n E
Figure 9.15. Number of electrons N(E) (left side) and density of states D(€J (right side) plotted
against the energy for four quantum structures in the square welKermi gas approximations.