Abstract
AbstractRaman scattering investigations on triphenyl phosphite, performed in both the low‐ and high‐wavenumber ranges, provide a detailed description of the glacial state. The latter can be described as a two‐phase (amorphous–nanocrystalline) system if it is prepared by isothermal aging in the 210–222 K temperature range. From two different procedures the nanocrystalline volume fraction can be determined in glacial states prepared in the above temperature range. The Raman spectra in the range 840–1640 cm−1 reveals that Ta = 224 K is a critical temperature from which the supercooled liquid isothermally transforms into a microstructure rather than nanocrystallized domains. In this case the volume of the non‐transformed supercooled liquid remaining in the intergranular space was estimated with respect to the volume of crystallized matter. Copyright © 2001 John Wiley & Sons, Ltd.
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