1.  Crystal lattices
    Notes (Lecture 1)
    Video (Lecture 1)
  2.  Reciprocal lattice
    Notes (Lecture 2)
    Video (Lecture 2)
  3.  Electrons
    Notes (Lecture 3)
    Video (Lecture 3)
  4.  Introduction to angle-resolved photoemission spectroscopy (ARPES)
    Notes (Lecture 4)
    Video (Lecture 4)