Structures of Metals and Ceramics - Close-packed Crystal structures - Ceramics

3 important questions on Structures of Metals and Ceramics - Close-packed Crystal structures - Ceramics

Describe close-packed planes of ions.

They are composed of anions which are stacked in planes, small interstitial sites are created where cations reside in either tetrahedral or octahedral positions.

What do crystal ceramic structures depend on?

  1. The stacking of anion planes
  2. The manner in which the interstitial sites are filled with cations

Describe the spinel structure.

It consists of an FCC lattice with both tetrahedral and octahedral positions filled.

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