Glass, Volume 1 |
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Page 10
It was assumed that electrons which participate in strong chemical bonds would
require the higher energy ( or shorter wavelengths ) for excitation . For the simple
glassforming oxides , Stevels predicted an edge shift to shorter wavelengths in ...
It was assumed that electrons which participate in strong chemical bonds would
require the higher energy ( or shorter wavelengths ) for excitation . For the simple
glassforming oxides , Stevels predicted an edge shift to shorter wavelengths in ...
Page 33
This weakening of the network by the introduction of M - O bonds should produce
an edge shift to longer wavelengths similar to the silicates since NBO ions will be
formed immediately upon addition of modifiers . The ultraviolet absorption of ...
This weakening of the network by the introduction of M - O bonds should produce
an edge shift to longer wavelengths similar to the silicates since NBO ions will be
formed immediately upon addition of modifiers . The ultraviolet absorption of ...
Page 107
Using the Mie Theory as applied to colloids in the alkali halides by Doyle ( 1960 )
, he calculated that the wavelength of ... moves toward longer wavelengths as the
particle becomes more highly elongated and the perpendicular absorption ...
Using the Mie Theory as applied to colloids in the alkali halides by Doyle ( 1960 )
, he calculated that the wavelength of ... moves toward longer wavelengths as the
particle becomes more highly elongated and the perpendicular absorption ...
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absorption alkali annealing applied assumed atoms band birefringence bleaching bond borate glasses Bray Brillouin calculations caused Ceram charge Chem coefficient color composition concentration conductivity considered constant containing coordination copper crystal crystalline curve darkening density dependence described detailed determined dielectric diffusion discussed distribution effect electron energy equation equilibrium et al experimental fading field fluctuations frequency function given gives heat treatment hole increased indicated intensity ions levels light liquid material measured mole negative observed obtained optical oxide oxygen particles phase photochromic Phys polarization positive present probably produce properties range ratio reduced relaxation reported respectively sample scattering separation shift shown in Fig silicate glasses silver halide similar SiO2 sodium Solids spectra spectrum strain stretching structural studied Taylor techniques temperature term thermal tion transition trapped units unpublished wavelengths York