Neutron ScatteringG. Kostorz |
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Page 168
... wave vector of the Kohn anomaly , and of the Peierls distortion if it occurs , is determined by Fermi - surface geometry . Thus , this wave vector will , in general , be an irrational fraction of the reciprocal lattice vectors of the ...
... wave vector of the Kohn anomaly , and of the Peierls distortion if it occurs , is determined by Fermi - surface geometry . Thus , this wave vector will , in general , be an irrational fraction of the reciprocal lattice vectors of the ...
Page 171
... wave vector q 。 and that q 。 is an irrational fraction of 2π / α . Evidently , the first term of Eq . ( 58 ) ... wave state . Following Moncton et al . ( 1975 ) we write 90 = 4 % = ( 1-8 ) 2л / за ( 59 ) and denote the order parameter ...
... wave vector q 。 and that q 。 is an irrational fraction of 2π / α . Evidently , the first term of Eq . ( 58 ) ... wave state . Following Moncton et al . ( 1975 ) we write 90 = 4 % = ( 1-8 ) 2л / за ( 59 ) and denote the order parameter ...
Page 181
... wave vectors to are the reciprocal lattice vectors of the bcc structure and a series of weaker superlattice ... vector q 。= ( } , } , } ) 2π / a . Evidently , this wave vector is the one which describes the planar collapse shown in Fig ...
... wave vectors to are the reciprocal lattice vectors of the bcc structure and a series of weaker superlattice ... vector q 。= ( } , } , } ) 2π / a . Evidently , this wave vector is the one which describes the planar collapse shown in Fig ...
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
alloys amplitude antiferromagnetic atoms average Bragg peaks Bragg scattering calculated chain 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 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 Schelten 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 |