Glass, Volume 1Minoru Tomozawa, Robert H. Doremus |
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Page 238
... center just described is also indicated in Fig . 9 as well as two weak features attributed to a small number of HC1 ... hole on a bridging oxygen atom ( oxygen bonded to two Si atoms on adjacent tetrahedra ) . Schreurs ( 1967 ) suggested that ...
... center just described is also indicated in Fig . 9 as well as two weak features attributed to a small number of HC1 ... hole on a bridging oxygen atom ( oxygen bonded to two Si atoms on adjacent tetrahedra ) . Schreurs ( 1967 ) suggested that ...
Page 239
... center because the analogous center to HCl in crystalline materials has not been studied in detail . A second hole center , called HC2 , also occurs in alkali silicate glasses and is dominant in glasses with high alkali content . The ...
... center because the analogous center to HCl in crystalline materials has not been studied in detail . A second hole center , called HC2 , also occurs in alkali silicate glasses and is dominant in glasses with high alkali content . The ...
Page 247
... centers , a hole center with g values listed in Table I and a narrow response at g 2.0023 . The narrow resonance is of unknown origin , but the hole center can be identified by comparison with the hole centers observed in irradiated ...
... centers , a hole center with g values listed in Table I and a narrow response at g 2.0023 . The narrow resonance is of unknown origin , but the hole center can be identified by comparison with the hole centers observed in irradiated ...
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