Glass, Volume 1 |
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Page 80
... have relatively high melting points . Two specific ... In this system the Si - As -
Te glasses are attractive due to relatively high mechanical strength and softening
temperatures and transmission to at least 20 um . The ir transmission of some ...
... have relatively high melting points . Two specific ... In this system the Si - As -
Te glasses are attractive due to relatively high mechanical strength and softening
temperatures and transmission to at least 20 um . The ir transmission of some ...
Page 206
The Landau - Placzek ratio as a function of temperature for both SiO2 and B203
from the work of - - - - - Ivy RELATIVE INTENSITY - IHY RELATIVE INTENSITY - -
- 10 - 10 o FREQUENCY SHIFT ( GHz ) Fig . 14 . VVand VH spectra of light ...
The Landau - Placzek ratio as a function of temperature for both SiO2 and B203
from the work of - - - - - Ivy RELATIVE INTENSITY - IHY RELATIVE INTENSITY - -
- 10 - 10 o FREQUENCY SHIFT ( GHz ) Fig . 14 . VVand VH spectra of light ...
Page 275
Of course the poor signals in the amorphous films preclude any quantitative
determination of relative bond lengths in the crystalline and amorphous phases .
The fact that the Mössbauer effect probability f ' is smaller by a factor of three in
the ...
Of course the poor signals in the amorphous films preclude any quantitative
determination of relative bond lengths in the crystalline and amorphous phases .
The fact that the Mössbauer effect probability f ' is smaller by a factor of three in
the ...
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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