Kronig-Penney Band Structure
cos(ka) = cos(αa) + (P/αa)sin(αa) — crank up the barrier and watch the free-electron parabola fracture into forbidden gaps.
Barrier strength P
P = 0.0 (free electron)
Bands shown
3 bands
P =
0.0
Band 1 top =
π²
Gap 1 width =
0.000
Type =
Metal (no gaps)