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 106
... symmetry requirements The magnetic structure factors Fm ( K ) are collected at scattering vectors corre- sponding to nuclear Bragg peaks . Hence , the magnetisation density p ( r ) to be re- constructed † must retain the nuclear ...
... symmetry requirements The magnetic structure factors Fm ( K ) are collected at scattering vectors corre- sponding to nuclear Bragg peaks . Hence , the magnetisation density p ( r ) to be re- constructed † must retain the nuclear ...
Page 108
... symmetry of the maximum entropy reconstruction ‡ For the sake of simplicity , and without loss of generality , let us consider any positive definite spin density map { p ( r ; ) } obeying the spatial symmetry requirements . Consider any ...
... symmetry of the maximum entropy reconstruction ‡ For the sake of simplicity , and without loss of generality , let us consider any positive definite spin density map { p ( r ; ) } obeying the spatial symmetry requirements . Consider any ...
Page 246
... with calculated modes of particular symmetries , symmetry coordinates were also made available . This route is shown by the simple arrows on Figure A = WsqrtDG Fig . 1. Scematic illustration of the 246 Neutron Scattering Data Analysis 1990.
... with calculated modes of particular symmetries , symmetry coordinates were also made available . This route is shown by the simple arrows on Figure A = WsqrtDG Fig . 1. Scematic illustration of the 246 Neutron Scattering Data Analysis 1990.
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Acta Cryst algorithm applications approach atoms Bayesian beam Bragg peaks calculated configuration constraints coordinates corresponding cost function cross-section crystallographic Data Anal data analysis data set defined determined diffraction data diffractometer distribution elastic scattering energy error bars example experiment experimental Figure Fourier transform Gaussian GENIE GENIE-V3 histogram inelastic instrument intensity interpolation inverse ISIS likelihood function magnetic structure Markov chain matrix MaxEnt Reconstruction Maximum Entropy McGreevy measured method molecular MoO3 neutron diffraction neutron scattering normalisation normalization obtained optimisation optimization problems parameters Patterson map performed Phys plot positive powder diffraction presented at Neutron prior probability procedure quasielastic refinement reflectivity data resolution function ROTAX Rutherford Appleton Laboratory sample scan Scatt scattering law shown simulated annealing single crystal solution spectra spectrometer spectrum statistical structure factor symmetry temperature time-of-flight truncation UNIRAS unit cell vanadium vector wavelength workspace