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3.29 The unit cell for Al₂O3 has hexagonal symme- try with lattice parameters a = 0.4759 nm and c = 1.2989 nm. If the density of this material is 3.99 g/cm³, calculate its atomic packing factor. For this computation, use ionic radii listed in Table 3.4.

3.29 The unit cell for Al₂O3 has hexagonal symme- try with lattice parameters a = 0.4759 nm and c = 1.2989 nm. If the density of this material is 3.99 g/cm³, calculate its atomic packing factor. For this computation, use ionic radii listed in Table 3.4.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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C 3.29 The unit cell for Al₂O3 has hexagonal symme- try with lattice parameters a = 0.4759 nm and c = 1.2989 nm. If the density of this material is 3.99 g/cm³, calculate its atomic packing factor. For this computation, use ionic radii listed in Table 3.4.
Transcribed Image Text:C 3.29 The unit cell for Al₂O3 has hexagonal symme- try with lattice parameters a = 0.4759 nm and c = 1.2989 nm. If the density of this material is 3.99 g/cm³, calculate its atomic packing factor. For this computation, use ionic radii listed in Table 3.4.
Cation AP+ Ba²+ Cx+ Fo Fe³+ K+ Mg²+ Mn2 Na Ni²+ Sj4 Ti Jonic Radius (nm) 0.053 0.136 0.100 0.170 0.077 0.069 0.138 0.072 0.067 0.102 0.069 0.040 0.061 Anion Br a F I 0² S² Jonic Radius (nm) 0.196 0.181 0.133 0.220 0.140 0.184
Transcribed Image Text:Cation AP+ Ba²+ Cx+ Fo Fe³+ K+ Mg²+ Mn2 Na Ni²+ Sj4 Ti Jonic Radius (nm) 0.053 0.136 0.100 0.170 0.077 0.069 0.138 0.072 0.067 0.102 0.069 0.040 0.061 Anion Br a F I 0² S² Jonic Radius (nm) 0.196 0.181 0.133 0.220 0.140 0.184
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