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Bravais-Miller indices

From Online Dictionary of Crystallography

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(French: Indices de Bravais-Miller. Spanish: Indices de Bravais-Miller.)

Definition

The Bravais-Miller indices are used in the case of hexagonal lattices. In that case, one uses four axes, a1, a2, a3, c and four Miller indices, (hkil), where h, k, i, l are prime integers inversely proportional to the intercepts of a plane of the family with the four axes. The indices h, k, i are cyclically permutable and related by

h + k + i = 0

see also

Miller indices