55:20

E Vs K, Brillouin zones and the Origin of Bands

55:51

Wigner Sietz cells and Brillouin Zones

44:46

Condition for Diffraction

25:36

Worked out examples

51:47

Ewald Sphere and lattices in reciprocal space

52:48

Reciprocal Space 1: Introduction to Reciprocal Space

53:35

Reciprocal Space 3: Ewald sphere, Simple Cubic, FCC and BCC in Reciprocal Space

46:55

Reciprocal space as Fourier transform of real Space;