Solved: Of the seven three-dimensional primitive lattices,
Chapter 8, Problem 20E(choose chapter or problem)
Problem 20E
Of the seven three-dimensional primitive lattices, (a) which one has a unit cell where the a andb lattice vectors form a base that is an arbitrary parallelogram (like the unit cell of a two-dimensional oblique lattice), while the c lattice vector is perpendicular to the other two? (b)What is the lattice if the a and b lattice vectors form a base that corresponds to the two-dimensional hexagonal unit cell and the c lattice vector is perpendicular to the other two?
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