## Elements of X-ray Diffraction |

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Page 31

System Axials lengths and angles Bravais lattice Lattice symbol Three equal

Face-centered Tetragonal Three

y ...

System Axials lengths and angles Bravais lattice Lattice symbol Three equal

**axes**at right angles Simple P I F Cubic a = b = c, a = p = y = 90o Body-centeredFace-centered Tetragonal Three

**axes**at right angles, two equal a = t ¥ c, a = p =y ...

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2-3,

indicate their equality, e.g., the cubic

tetragonal

Bravais ...

2-3,

**axes**of equal length in a particular system are given the same symbol toindicate their equality, e.g., the cubic

**axes**are all marked a, the two equaltetragonal

**axes**are marked a and the third one c, etc. At first glance, the list ofBravais ...

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kinds of

indicates no symmetry at all, while a 5-fold axis or one of higher degree than 6 is

impossible, in the sense that unit cells having such symmetry cannot be made ...

kinds of

**axes**. In general, rotation**axes**may be 1-, 2-, 3-, 4-, or 6-fold. A 1-fold axisindicates no symmetry at all, while a 5-fold axis or one of higher degree than 6 is

impossible, in the sense that unit cells having such symmetry cannot be made ...

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#### LibraryThing Review

User Review - ron_benson - LibraryThingExcellent reference book. Needs some updating in terms of advances in detector technology. Read full review

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### Common terms and phrases

absorption coefficient absorption edge alloy atomic number austenite axes axis back-reflection Bragg angle Bragg law Bravais lattice calculated camera chart circle composition constant copper cos2 counter counting rate cubic curve Debye ring Debye-Scherrer decreases determined diffracted beam diffraction lines diffraction pattern diffractometer direction distance effect electrons elements equation error example face-centered face-centered cubic factor film filter given grain hexagonal incident beam indices integrated intensity lattice parameter Laue method martensite measured metal normal obtained orthorhombic parallel percent phase photograph pinhole plotted point lattice pole figure position powder pattern preferred orientation produced pulses rays reciprocal lattice reflecting planes relative rhombohedral rotation sample scattering shown in Fig sin2 slit solid solution spacing specimen sphere stereographic projection stress structure substance surface symmetry temperature tetragonal thickness tion transmission twin twin band unit cell vector voltage wave wavelength x-ray beam x-ray diffraction x-ray tube zero zone