上海交通大学：《大学化学》教学资源_加州理工课件学习_Series13CrystalsPart2

Crystals Part 2 References:Gray:Chapter 6 OGC:Chapters 21 &22 亚1

Crystals Part 2 References: Gray: Chapter 6 OGC: Chapters 21 & 22 XIII-1

Stoichiometry of Zinc Blende Face Atoms (6*112=3) T Holes Corner Atoms (4*1=4) (8*118=1) 4 Lattice Atoms:4 Tetrahedral Holes 1:1 Stoichiometry (GaAs,InP,CdS,ZnS) XIl-2

Stoichiometry of Zinc Blende 4 Lattice Atoms: 4 Tetrahedral Holes 1:1 Stoichiometry (GaAs, InP, CdS, ZnS) Corner Atoms (8 * 1/8 = 1) Face Atoms (6 * 1/2 = 3) Td Holes (4 * 1 = 4) XIII-2

Stoichiometry of Anti-Fluorite Corner Atoms (8*1/8=1)、 Face Atoms (6*112=3) Ta Holes (8*1=8) 4 Lattice Anions:8 Tetrahedral Cations 1:2 Stoichiometry (Li2O,Na2O,Li2S) XIlI-3

Stoichiometry of Anti-Fluorite 4 Lattice Anions: 8 Tetrahedral Cations 1:2 Stoichiometry (Li2O, Na2O, Li2S) Corner Atoms (8 * 1/8 = 1) Face Atoms (6 * 1/2 = 3) Td Holes (8 * 1 = 8) XIII-3

Stoichiometry of Fluorite Corner Atoms (8*1/8=1)、 Face Atoms (6*112=3) Ta Holes (8*1=8) 4 Lattice Cations:8 Tetrahedral Anions 1:2 Stoichiometry (CaF2,SrCl2,HgF2) XIll-4

Stoichiometry of Fluorite 4 Lattice Cations: 8 Tetrahedral Anions 1:2 Stoichiometry (CaF2, SrCl2, HgF2) Corner Atoms (8 * 1/8 = 1) Face Atoms (6 * 1/2 = 3) Td Holes (8 * 1 = 8) XIII-4

Stoichiometry of Fluorite 4 Lattice Cations:8 Tetrahedral Anions 1:2 Stoichiometry (CaF2,SrCl2,HgF2) XIll-5

Stoichiometry of Fluorite 4 Lattice Cations: 8 Tetrahedral Anions 1:2 Stoichiometry (CaF2, SrCl2, HgF2) XIII-5

Stoichiometry of LigB Corner Atoms (8*1/8=1)、 Face Atoms (6*112=3) On Holes Ta Holes (1214=3) (8*1=8) Hole (1) 4 Lattice Anions:8 Tetrahedral Cations +4 Octahedral Cations 1:3 Stoichiometry (LigB) XIII-6

Stoichiometry of Li3B 4 Lattice Anions: 8 Tetrahedral Cations + 4 Octahedral Cations 1:3 Stoichiometry (Li3B) Corner Atoms (8 * 1/8 = 1) Face Atoms (6 * 1/2 = 3) Td Holes (8 * 1 = 8) Oh Holes (12 /4 = 3) Oh Hole (1) XIII-6

ZnS (Smallest Cation/Anion) Cscl NaCl (Biggest Cation/Anion) (Intermediate Cation/Anion) XIl-7

CsCl NaCl ZnS (Biggest Cation/Anion) (Smallest Cation/Anion) (Intermediate Cation/Anion) XIII-7

Geometry of Cubic Lattices XIlI-8

Geometry of Cubic Lattices XIII-8

Geometry of Cubic Lattices XIII-9

Geometry of Cubic Lattices rl rl XIII-9

Geometry of Cubic Lattices 2r 2 1+n) 2v2r XI-10

Geometry of Cubic Lattices XIII-10