7 Ceramics

Question 1

Crystalline ceramics:

What are the Factors that need to be considered in order to understand crystal structures of ionically bonded solids?

Answer 1

• Ionic Radii
• Electrical Neutrality
• Connection between Anion Polyhedra

example slide 1
(a) The cesium chloride structure, a SC unit cell with two ions (Cs+ and CI-) per lattice point. (b) The sodium chloride structure, a FCC unit cell with two ions (Na+ + CI-) per lattice point. Note: Ion sizes not to scale.