Neutron ScatteringG. Kostorz |
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Page 58
... Density of Phonon States The one - phonon incoherent scattering cross section per unit cell is ( d2g ( ± ) \ do dE k = Σ inc Tinc , d Ma exp { − 2W¿ ( Q ) } | Q • σa ' ( q ) | 2 1 X ( 139 ) @y ( q ) [ n , ( q ) + 1⁄2 ± { ] 8 { w + w ...
... Density of Phonon States The one - phonon incoherent scattering cross section per unit cell is ( d2g ( ± ) \ do dE k = Σ inc Tinc , d Ma exp { − 2W¿ ( Q ) } | Q • σa ' ( q ) | 2 1 X ( 139 ) @y ( q ) [ n , ( q ) + 1⁄2 ± { ] 8 { w + w ...
Page 506
... density becomes a function of intensity which is described approximately by the equation · I t = const ( 21 ) where ... density . It has been found that Eq . ( 21 ) is not exactly fulfilled and therefore Density Optical Density 260 3.0 ...
... density becomes a function of intensity which is described approximately by the equation · I t = const ( 21 ) where ... density . It has been found that Eq . ( 21 ) is not exactly fulfilled and therefore Density Optical Density 260 3.0 ...
Page 507
G. Kostorz. Density Optical Density 260 3.0 240 220 2.5 200 180 2.0 160 140 1.5 120 100 2888 155 1.0 80 60 40 0.5 20 I = 1.7n / mm sec 1 1 2 3 4 5 6 I = 415 n / mm2 sec I = 8.4n / mm2 sec 3 Exposure ( x 103neutrons / mm2 ) Fig . 20. Density ...
G. Kostorz. Density Optical Density 260 3.0 240 220 2.5 200 180 2.0 160 140 1.5 120 100 2888 155 1.0 80 60 40 0.5 20 I = 1.7n / mm sec 1 1 2 3 4 5 6 I = 415 n / mm2 sec I = 8.4n / mm2 sec 3 Exposure ( x 103neutrons / mm2 ) Fig . 20. Density ...
Contents
Neutron Production and Detection | 12 |
Basic Scattering Theory | 21 |
Diffraction from Crystals | 30 |
Copyright | |
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Neutron Scattering: Treatise on Materials Science and Technology, Volume 15 G. Kostorz Limited preview - 2013 |
Common terms and phrases
Ź alloys amplitude antiferromagnetic atoms average Bragg peaks Bragg scattering calculated chapter by Kostorz Chem coherent collimation concentration cross section Crystallogr Debye-Waller factor defect density dependence detector direction dispersion curves displacements distribution domain elastic electron energy exp{iQ experimental ferroelectric ferromagnetic flux line frequency hydrides hydrogen impurity incoherent scattering inelastic scattering Institut Laue-Langevin intensity interaction isotope Kostorz and Lovesey Lett magnetic scattering materials matrix measurements metal mode molecules monochromator neutron beam neutron diffraction neutron SAS neutron scattering nuclear obtained orientation parameters particles peak phase phonon Phys plane polarized neutron polymer Proc quasi-elastic reactor reciprocal lattice reflection resolution sample scattering cross section scattering length scattering vector Schmatz shown in Fig single crystal solid spin structure factor studies symmetry technique temperature theory thermal neutron tion transition unit cell values wave vector wavelength width x-ray ΦΩ
References to this book
Einführung in die Kristallographie Will Kleber,Hans-Joachim Bautsch,Joachim Bohm No preview available - 1998 |