Aashi posted an Question
January 13, 2021 • 14:06 pm 30 points
  • IIT JAM
  • Physics (PH)

Consider the crystal structure shown in the figure, where black and grey spheres represent atoms of two different elements and a denotes the lattice constant.

Consider the crystal structure shown in the figure, where black and grey spheres represent atoms of two different elements and a denotes the lattice constant. The Bravais lattice for this structure is

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  • Prashant kumar

    Actually this is NaCl type lattice one atom at face centred position and other at corner. Symmetry will occur when we see at the diagonal side i.e. nearest neighbour is at √2a distance from each atom. that's why it is FCC lattice. Sorry for wrong interpretation.

    eduncle-logo-app

    Sir but when i saw the answer key of this paper the ans was FCC

    eduncle-logo-app

    sir there is an atom at body centered also. what about that?

    eduncle-logo-app

    no see symmetry

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