Band
Gap and Periodic Properties
|
Element
|
Unit
Cell, Å
|
Do,
kJ/mol
|
Eg,eV
(
 , nm) |
|
C
|
3.57
|
346
|
5.5
(230)
|
|
Si
|
5.43
|
222
|
1.1
(1100)
|
|
Ge
|
5.66
|
188
|
0.66
(1900)
|
|
Sn
|
6.49
|
146
|
<
0.1 (12,000)
|