A two-dimensional square lattice has a first Brillouin zone whose faces sit from the…

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 two-dimensional square lattice has a first Brillouin zone whose faces sit

1.885\,\mathrm{\mathring{A}^{-1}}

from the centre. Find the real-space lattice spacing

a

, and the distance from the zone's centre to a corner.

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