Glass, Volume 1Minoru Tomozawa, R. H. Doremus |
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Results 1-3 of 64
Page 42
... silicates and at 0.654 μm ( ɛ = 19.07 ) in potassium silicates . Nath et al . ( 1965 ) have determined that Cr6 + produces two ultraviolet absorption bands in sodium silicate glasses at 0.37 μm ( ε 4200 ) and at 0.27 μm as shown earlier ...
... silicates and at 0.654 μm ( ɛ = 19.07 ) in potassium silicates . Nath et al . ( 1965 ) have determined that Cr6 + produces two ultraviolet absorption bands in sodium silicate glasses at 0.37 μm ( ε 4200 ) and at 0.27 μm as shown earlier ...
Page 43
... silicate glasses melted under reducing conditions . Four absorption bands were observed near 0.50 , 0.59 , 0.73 , and 1.0 μm . It was concluded that Cr2 + was present in a high - spin distorted octahedral site . d . Managanese ...
... silicate glasses melted under reducing conditions . Four absorption bands were observed near 0.50 , 0.59 , 0.73 , and 1.0 μm . It was concluded that Cr2 + was present in a high - spin distorted octahedral site . d . Managanese ...
Page 239
... silicate glasses and is dominant in glasses with high alkali content . The ESR response of this center is shown in Fig . 10 for potassium and sodium silicate glasses . Schreurs ( 1967 ) has suggested that this center is due to a hole ...
... silicate glasses and is dominant in glasses with high alkali content . The ESR response of this center is shown in Fig . 10 for potassium and sodium silicate glasses . Schreurs ( 1967 ) has suggested that this center is due to a hole ...
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