Polymers and Neutron ScatteringNeutron scattering has become a widely applied technique for studying problems in polymer science and technology. This is the first book written specifically for non-specialists that introduces the theoretical models and experimental techniques needed to understand results obtained from neutron scattering. In attempting to present a readable text that requires little expert knowledge, the authors have produced a practical volume that fills the gap between the often technical, pedagogic research articles that have characterized the literature and the almost entire absence of information available to the polymer scientist who desires a firmer grasp of the advantages offered by neutron scattering in materials research. Researchers and graduate students interested in polymers and neutron scattering will find this book useful and informative. |
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Page 192
... FLUCTUATIONS- ONE OR TWO COMPONENTS 7.1.1 Introduction Up to this point we have discussed the scattering in general ... fluctuations in the volume V. We write AN2 = = ( [ ↓ An ( r ) INTERACTING SYSTEMS Zero angle scattering Density and ...
... FLUCTUATIONS- ONE OR TWO COMPONENTS 7.1.1 Introduction Up to this point we have discussed the scattering in general ... fluctuations in the volume V. We write AN2 = = ( [ ↓ An ( r ) INTERACTING SYSTEMS Zero angle scattering Density and ...
Page 193
... fluctuations of the scattering centres in the scattering volume ( Einstein 1910 ) . I ( q = 0 ) = b2 AN2 . ( 7.6 ) This expression is very simple since the neutron scattering problem at q = 0 is reduced to the problem of the ...
... fluctuations of the scattering centres in the scattering volume ( Einstein 1910 ) . I ( q = 0 ) = b2 AN2 . ( 7.6 ) This expression is very simple since the neutron scattering problem at q = 0 is reduced to the problem of the ...
Page 194
... fluctuate and the volume v inside it will change continuously giving rise to the fluctuations we want to determine . This piston has one degree of freedom and , applying the theorem of equipartition of energy , its energy is kÅT / 2 ...
... fluctuate and the volume v inside it will change continuously giving rise to the fluctuations we want to determine . This piston has one degree of freedom and , applying the theorem of equipartition of energy , its energy is kÅT / 2 ...
Other editions - View all
Polymers and Neutron Scattering Julia S. Higgins,Henri C. Benoit,Henri Benoît No preview available - 1996 |
Common terms and phrases
amplitude assume average b₁ beam calculation Chapter coherent concentration copolymer correlation corresponding cross section crystal curve defined degree of polymerization delta function depends detector deuterated diagram discussed distance effect elastic energy equation evaluate excluded volume experimental fluctuations form factor formula Fourier transform Gaussian chain gives hydrogenous incoherent scattering inelastic scattering integral interactions interface k₁ linear low q matrix method mixture molecular weight molecules monomer motion neutron scattering neutron sources nuclei observed obtained parameter particles peak phase phonon plot polydisperse polystyrene pulsed sources q range q values quantity quasielastic radius of gyration reactor reflection resolution result rotation sample scattered intensity scattering angle scattering laws scattering length shows solvent species spectrometer spheres structure factor surface technique temperature term time-of-flight tion unit volume V₁ vector vibrational volume fraction wave wavelength write zero angle Zimm