Physics of Gels with Short Bond Lifetimes
Abstract
We have performed detailed Raman spectroscopic measurements to study the structure of liquid water in the normal and supercooled temperature range. Experiments have been performed in the high frequency OH stretching vibration region and in the very low frequency intermolecular H-bond stretching vibration region. Our results from the high frequency region have shown that at low temperatures most of the OH bonds are strongly H-bonded and that the distribution of the H-bond lengths and angles narrows as the temperature decreases; the rate at which the band width decreases with decreasing temperature is greater in the supercooled region than in the normal temperature region. The data also suggest that the local structure of water is tending towards a limiting structure as the limit of supercooling is reached. Locally it appears that this structure may be close to that of amorphous solid water.
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 30, 1987
- Accession Number
- ADA249315
Entities
People
- H. E. Stanley
- Rama Bansil
Organizations
- Boston University