Neutron Scattering Data Analysis 1990, Proceedings of the Conference on Neutron Scattering, 14-16 March 1990, Rutherford Appleton Laboratory, UKM. W. Johnson |
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Page 94
... structure factor magni- tudes , | F ( h ) , of all measured Bragg reflections . ( N.B. I ( h ) α | F ( h ) | 2 ) , . 4. Application of direct methods or Patterson methods of structure solution using the ob- served structure factor ...
... structure factor magni- tudes , | F ( h ) , of all measured Bragg reflections . ( N.B. I ( h ) α | F ( h ) | 2 ) , . 4. Application of direct methods or Patterson methods of structure solution using the ob- served structure factor ...
Page 103
... structure factors ) . Either the 3 - D Patterson function or 2 - D projections can be sought , exactly as in the Polarised Neutron Diffraction case . Moreover , the Patterson function is always centrosymmetric . The mathematics involved ...
... structure factors ) . Either the 3 - D Patterson function or 2 - D projections can be sought , exactly as in the Polarised Neutron Diffraction case . Moreover , the Patterson function is always centrosymmetric . The mathematics involved ...
Page 182
... structure factor with the data directly after each move until x2 is minimised . Using this method speeds up the calculation since the ' diffuse ' structure factor may be calculated as a difference between the total structure factor ...
... structure factor with the data directly after each move until x2 is minimised . Using this method speeds up the calculation since the ' diffuse ' structure factor may be calculated as a difference between the total structure factor ...
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Common terms and phrases
additional algorithm allows analysis angle applications approach atoms average beam Bragg calculated cell combinatorial optimization configuration constant coordinates correction corresponding cost counts cross-section crystal deconvolution defined density dependent described detector determined diffraction direct display distribution effects elastic scattering energy error estimate example experiment experimental Figure final Fourier function give given inelastic intensity ISIS known limit magnetic Maximum Entropy measured method neutron neutron scattering normalization obtained optimization parameters particular peak performed Phys physical plot positive possible powder presented prior probability problem procedure radial distribution functions range reconstruction References refinement reflections resolution sample scale scan shown shows simulated annealing single solution space spectrum standard statistical structure factor temperature transfer transform unit usually vanadium vector wavelength