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Page 297
CHAPTER 10 THE DETERMINATION OF CRYSTAL STRUCTURE 10–1
Introduction . Since 1913 , when W. L. Bragg solved the structure of NaCl , the
structures of some five thousand crystals , organic and inorganic , have been
determined .
CHAPTER 10 THE DETERMINATION OF CRYSTAL STRUCTURE 10–1
Introduction . Since 1913 , when W. L. Bragg solved the structure of NaCl , the
structures of some five thousand crystals , organic and inorganic , have been
determined .
Page 298
Since structure determines the diffraction pattern , it should be possible to go in
the other direction and deduce the structure from the pattern . It is possible , but
not in any direct manner . Given a structure , we can calculate its diffraction
pattern ...
Since structure determines the diffraction pattern , it should be possible to go in
the other direction and deduce the structure from the pattern . It is possible , but
not in any direct manner . Given a structure , we can calculate its diffraction
pattern ...
Page 322
TABLE 10-6 1 2 3 4 5 Calculated intensity Line hkl Observed intensity NaCl
structure ZnS structure 1 $ nil 111 200 220 311 0.05 13.2 10.0 0.02 12.4 0.03
10.0 6.2 VS 2 . 3 VS vw 4 5 6 222 400 331 420 3.5 1,7 0.01 4.6 0.007 1.7 2.5 0.01
m nil ...
TABLE 10-6 1 2 3 4 5 Calculated intensity Line hkl Observed intensity NaCl
structure ZnS structure 1 $ nil 111 200 220 311 0.05 13.2 10.0 0.02 12.4 0.03
10.0 6.2 VS 2 . 3 VS vw 4 5 6 222 400 331 420 3.5 1,7 0.01 4.6 0.007 1.7 2.5 0.01
m nil ...
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User Review - ron_benson - LibraryThingExcellent reference book. Needs some updating in terms of advances in detector technology. Read full review
Contents
PROPERTIES OF XRAYS | 1 |
THE GEOMETRY OF CRYSTALS | 29 |
THE DIRECTIONS OF DIFFRACTED BEAMS | 78 |
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Elements of X-ray Diffraction Bernard Dennis Cullity,Stuart R. Stock,Stuart R.. Stock Snippet view - 2001 |
Common terms and phrases
absorption alloy angle applied atoms axis Bragg calculated called camera cause circle composition consider constant contains copper counter counting crystal cubic curve decreases depends described determined diffracted beam diffraction lines diffractometer direction distance effect electrons elements energy equal equation error example factor Figure film fluorescent given gives grain hexagonal incident beam increases indices intensity involved kind known lattice Laue length located material means measured metal method normal observed obtained occur orientation parallel parameter particular pattern percent phase photograph plane plotted pole position possible powder produced projection proportional pulses radiation rays reference reflection relation relative result rotation sample scattering shown shown in Fig shows simple single slit solid solution spacing specimen stress structure substance surface temperature thickness tion tube twin unit cell usually vector voltage wave wavelength x-ray