Elements of X-ray Diffraction |
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Page 43
... atoms of a crystal are set in space either on the points of a Bravais lattice or in some fixed relation to those points . It follows from this th the atoms of a crystal will be arranged periodically in three dimensions and that this ...
... atoms of a crystal are set in space either on the points of a Bravais lattice or in some fixed relation to those points . It follows from this th the atoms of a crystal will be arranged periodically in three dimensions and that this ...
Page 52
... atoms are located . more or less at random on face - centered cubic lattice sites , while at low temperature the gold atoms occupy only the cube corner positions and the copper atoms only the face - centered positions . In its ...
... atoms are located . more or less at random on face - centered cubic lattice sites , while at low temperature the gold atoms occupy only the cube corner positions and the copper atoms only the face - centered positions . In its ...
Page 317
... atoms in the cell . From Eq . ( 3-9 ) , we have ΣΑ = PV 1.66020 where A is the sum of the atomic weights of the atoms in the unit cell , p is the density ( gm / cm3 ) , and V is the volume of the unit cell ( A3 ) . If the substance is ...
... atoms in the cell . From Eq . ( 3-9 ) , we have ΣΑ = PV 1.66020 where A is the sum of the atomic weights of the atoms in the unit cell , p is the density ( gm / cm3 ) , and V is the volume of the unit cell ( A3 ) . If the substance is ...
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Common terms and phrases
a₁ absorption coefficient absorption edge alloy analysis angle atomic number austenite axis back-reflection Bragg angle Bragg law Bravais lattice calculated camera circle composition constant copper atoms cos² counter cubic curve Debye ring Debye-Scherrer decrease determined diffracted beam diffraction lines diffraction pattern diffractometer direction distance electrons elements equation error example face-centered face-centered cubic factor film fluorescent fluorescent radiation given grain hexagonal incident beam indices integrated intensity lattice parameter martensite measured metal normal obtained orientation Orthorhombic parallel percent phase photograph pinhole pole figure position powder pattern produced projection pulses rays reciprocal lattice reciprocal-lattice reflecting planes relative residual stress rhombohedral rotation sample scattering shown in Fig sin² slit solid solution spacing specimen spectrometer sphere spot stereographic substance surface temperature tetragonal thickness tion transmission twin unit cell values vector voltage wave wavelength x-ray diffraction x-ray method x-ray tube zero zone