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High frequencies, dynamic scattering

Detailed high-frequency (terahertz) dynamical studies of glasses have been probed by inelastic X-ray scattering (IXS) [139], The advantage of this technique is that with reliable measurements it allows determination of the so-called nonergodicity parameter f(q, T) as a function of wavevector q this quantity is defined by the long time limit of the density-density correlation function F(q, t) divided by the static structure factor [15],... [Pg.92]

LifeBEAM LifeBEAM Tech Ltd Cycling helmet, head band Heart rate Based on electro-optical technology (dynamic light scattering), which samples pulse in high frequency and skin temperature (LifeBEAM, 2014)... [Pg.187]

Figures 14.34 —14.36 show the temperature dependence of the stiffness constants of polymers A, B and C, respectively. As a result of the high frequency (4 GHz) of Brillouin scattering measurements, the sound absorption maximum (and hence the dynamic glass transition temperature for polymer C was found to be located at 390 K,... Figures 14.34 —14.36 show the temperature dependence of the stiffness constants of polymers A, B and C, respectively. As a result of the high frequency (4 GHz) of Brillouin scattering measurements, the sound absorption maximum (and hence the dynamic glass transition temperature for polymer C was found to be located at 390 K,...
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See also in sourсe #XX -- [ Pg.2 , Pg.247 ]

See also in sourсe #XX -- [ Pg.2 , Pg.247 ]



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Dynamical scattering

Frequency dynamic scattering

High frequencies

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