Glass, Volume 1Minoru Tomozawa, Robert H. Doremus |
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Page 185
... density fluctuations is a rather pronounced peak in Na2O · SiO2 and K2O - SiO2 which is attributed to concentration fluctuations . Figures 5 and 6 suggest that density fluctuations are responsible for almost all of the light scattered ...
... density fluctuations is a rather pronounced peak in Na2O · SiO2 and K2O - SiO2 which is attributed to concentration fluctuations . Figures 5 and 6 suggest that density fluctuations are responsible for almost all of the light scattered ...
Page 198
... density fluctuations . It has been determined from high- temperature velocity measurements ( Laberge , 1973 ) that for the binary alkali - silicates the contribution to density fluctuations < Ap2 > decreases with decreasing molecular ...
... density fluctuations . It has been determined from high- temperature velocity measurements ( Laberge , 1973 ) that for the binary alkali - silicates the contribution to density fluctuations < Ap2 > decreases with decreasing molecular ...
Page 275
... density of low - frequency vibrational modes in the amorphous phase , such as those considered in some detail in the NMR section above . The recoil energies of the Mössbauer y quanta are below about 100 cm - 1 in this system so that the ...
... density of low - frequency vibrational modes in the amorphous phase , such as those considered in some detail in the NMR section above . The recoil energies of the Mössbauer y quanta are below about 100 cm - 1 in this system so that the ...
Contents
Text | 8 |
Ultraviolet Absorption | 10 |
Visible Absorption | 35 |
Copyright | |
49 other sections not shown
Common terms and phrases
absorption alkali anisotropic annealing applications assumed atoms band birefringence bleaching bond Bray Brillouin calculations caused Ceram charge Chem coefficient color composition concentration considered constant containing coordination copper crystal crystalline curve darkening density dependence described detailed determined dielectric diffusion discussed distribution effect electron energy equilibrium et al experimental fading field Figure fluctuations frequency function given gives heat heat treatment hole increase indicated intensity ions levels light liquid material measured microstructural mole negative birefringence observed obtained optical oxide oxygen particles phase photochromic Phys polarization positive present produce range ratio reduced relaxation reported respectively sample scattering separation shift shown in Fig shows silicate glasses silver halide similar SiO2 sodium Solids spectra spectrum strain stress stretching structural studied Taylor techniques temperature term thermal tion transition trapped viscosity wavelengths York