Glass, Volume 1Minoru Tomozawa, R. H. Doremus |
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Page 16
... mole % Na + 0.5 mole % Al ; ( 2 ) 0.2 mole % K + 0.2 mole % Al ; ( 3 ) 0.5 mole % Na ; ( 4 ) 0.2 mole % K. ( After Sigel , 1971. ) Lell ( 1962 ) and Kats and Stevels ( 1956 ) had previously seen evidence of alkali - aluminum pairing in ...
... mole % Na + 0.5 mole % Al ; ( 2 ) 0.2 mole % K + 0.2 mole % Al ; ( 3 ) 0.5 mole % Na ; ( 4 ) 0.2 mole % K. ( After Sigel , 1971. ) Lell ( 1962 ) and Kats and Stevels ( 1956 ) had previously seen evidence of alkali - aluminum pairing in ...
Page 29
... mole % alkali oxide , and then reverses . This would imply that NBO ions should be created in large numbers at alkali concentrations above the 30 mole % level . It was also observed that BO4 units are not linked directly to each other ...
... mole % alkali oxide , and then reverses . This would imply that NBO ions should be created in large numbers at alkali concentrations above the 30 mole % level . It was also observed that BO4 units are not linked directly to each other ...
Page 76
... mole % alkali oxide concentration which appears to be somewhat dependent on the type of alkali ion added . The large shift of over 100 cm - 1 of the Ge - O - Ge stretching band arises from a change of the GeO4 tetrahedra to the GeO6 ...
... mole % alkali oxide concentration which appears to be somewhat dependent on the type of alkali ion added . The large shift of over 100 cm - 1 of the Ge - O - Ge stretching band arises from a change of the GeO4 tetrahedra to the GeO6 ...
Contents
Text | 8 |
Ultraviolet Absorption | 10 |
Methods of Measuring Surface Texture | 30 |
Copyright | |
49 other sections not shown
Common terms and phrases
absorption band alkali anisotropic annealing Araujo atoms binary birefringence bleaching bond borate glasses boron borosilicate glass Bray Brillouin Brillouin scattering calculations Ceram chalcogenide glasses Chem coefficient colloid color composition concentration fluctuations coordination copper crystal crystalline darkening density fluctuations dielectric constant dielectric relaxation diffusion distribution effect electron energy equilibrium experimental fade rate Fe3+ frequency frozen-in strain function GeO2 glasses containing Griscom heat treatment increase indicated intensity irradiated Landau-Placzek ratio light scattering measured microstructural birefringence mole Mössbauer Na₂O negative birefringence observed octahedral octahedral symmetry optical oxide glasses oxygen paramagnetic particles phase separation phonons phosphate glasses photochromic photochromic glasses Phys polarization positive birefringence Raman Rayleigh relaxation resonance sample Schroeder shift shown in Fig silicate glasses silver halide SiO2 sodium Solids spectra spectrum spin-lattice relaxation spinodal stretching structural studied Takamori Taylor temperature thermal tion Tomozawa transition trapped ultraviolet unpublished results vibrational viscosity wavelengths