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With neat diagram of unit cell , explain the structure of HCP crystal and calculate the no. of ions per unit cell, co ordination no. lattice constant and packing factor of the structure.
written 6.5 years ago by gravatar for teamques10 teamques10 ★ 69k •   modified 4.9 years ago
engineering physics
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written 6.5 years ago by gravatar for teamques10 teamques10 ★ 69k

This is the most common metallic structure exhibited by about twenty five metals, this structure has atomic arrangement in three layers as shown :-

STRUCTURE:-

1

In the bottom layer the central atom is surrounded by six other identical atoms. The positions of these seven atoms are marked by A.

In …

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