- -
) *.)
* * Pauli
R= => (R) : Minimum (Split)
2
e-ep-p
: RLC
.
- H2 - : Schrdinger
. .. Li () split N (2e) => 0 e
Si: 14 e:3s 3p 4
: : Fermi
: :
() (k) gEg=1,43 eVEg=1,12 eV : :
* - e ( ): : (k)=E(-k) Brillouin J=0
m : e e
: Schrdinger: Bloch: : Bloch: ( = )
: : : L=N : : :: :n=0,1N-1
: : BlochR: Bravais .. Schrdinger
:::
:Bloch : Schrdinger:
: n=mn=m1 :
(k):)
: ) s 1 : (k) S 1 1 Brillouin
(k)
Fig 4.20From Principles of Electronic Materials and Devices, Third Edition, S.O. Kasap ( McGraw-Hill, 2005) Si
From Principles of Electronic Materials and Devices, Third Edition, S.O. Kasap ( McGraw-Hill, 2005)
Fermi-Dirac EF Fermif(E) = E given
fermi-Dirac f(E,) .
g(E) = .g(E) dE () E (E + dE)
ME (a) EF >0K,.(b) g(E) .(c) E f (E).(d) g(E) f (E) e . = e