Glass, Volume 1 |
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Page 265
The spectrum of crystalline As2S3 is also displayed for purposes of comparison .
( After Rubinstein and Taylor , 1974 . ) pyramidal units in the glass are very well
defined , having a distribution width of average apex pyramidal bonding angles ...
The spectrum of crystalline As2S3 is also displayed for purposes of comparison .
( After Rubinstein and Taylor , 1974 . ) pyramidal units in the glass are very well
defined , having a distribution width of average apex pyramidal bonding angles ...
Page 269
Since nuclear spin - lattice relaxation proceeds via vibrational modes , one might
expect greater low - temperature spin - lattice relaxation rates in glasses over
those in the corresponding crystalline materials . In fact , increased nuclear spin ...
Since nuclear spin - lattice relaxation proceeds via vibrational modes , one might
expect greater low - temperature spin - lattice relaxation rates in glasses over
those in the corresponding crystalline materials . In fact , increased nuclear spin ...
Page 275
section abitude of ing of the amorphous phase appears to be slightly larger than
that observed in the crystalline phase . As discussed in the NMR section above in
some detail , the electric field gradient , which determines the magnitude of the ...
section abitude of ing of the amorphous phase appears to be slightly larger than
that observed in the crystalline phase . As discussed in the NMR section above in
some detail , the electric field gradient , which determines the magnitude of 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