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Simple Cubic Crystals
- Practical Electron Microscopy and Database -
- An Online Book -
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https://www.globalsino.com/EM/
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This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers.
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Simple cubic crystals with only one element are rare, mostly because they tend to distort.
Table 2874a. Some symmetrical diffraction patterns of cubic crystals.
Zone axis |
[100] |
[110] |
[111] |
Symmetry |
Square |
Rectangular |
Hexagonal |
Aspect Ratio |
1:1 |
1: for BCC, SC (almost hexagonal for FCC) |
Equilateral |
Table 2874b lists the characteristics of the three cubic Bravais lattices.
Table 2874b. The only three cubic Bravais lattices.
Lattice |
Number of
lattice points
per unit cell |
Number of
atoms
per unit cell |
Nearest distance
between lattice points |
Maximum packing |
Maximum packing condition |
Density (or fraction of packing, Vatom/Vcell) |
Simple cubic |
1 |
1 |
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When the adjacent atoms touch each other along the edge
of the cube |
52.4% |
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2 |
2 |
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When the adjacent atoms touch each other along
the body diagonal of the cubic cell |
68.0% |
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4 |
4 |
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When the adjacent atoms touch each other along
the face diagonal of the cubic cell |
74.0% |
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4 |
8 |
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34 % |
Table 2874c. Other characteristics of simple cubic structures.
Contents |
Page |
Close packed planes and directions |
page3029 |
Atomic packing factor |
page3030 |
Number of lattice points (atoms) per unit cell |
page3032 |
Lattice point (or called Motif or basis) |
page3076 |
Coordination number of atoms |
page3031 |
Tables of Burgers vectors of dislocations and g·b |
page1995 |
Dominating slip planes, slip directions and stable Burgers vector for common crystal structures |
page3557 |
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The book author (Yougui Liao) welcomes your comments, suggestions, and corrections, please click here for submission. If you let book author know once you have cited this book, the brief information of your publication will appear on the “Times Cited” page.
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