A row of atoms is spaced apart

PHYSICS · Subjective · Fermi University Physics · Condensed Matter, Materials & Soft Matter · Crystal structure, bonding and diffraction · Crystal structure, bonding and diffraction

Condensed Matter Physics, Ch The reciprocal lattice and the Brillouin zone

Problem

A row of atoms is spaced

a=2.500\,\mathrm{\mathring{A}}

apart. Find the wavevector, inside the first Brillouin zone, equivalent to

k=5.30\,\mathrm{\mathring{A}^{-1}}

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