Raman Study of the Annealing Effect of Low-Density Glassy Waters(Condensed Matter : Structure, Mechanical and Thermal Properties)
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概要
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We make three kinds of low density glassy waters, low-density amorphous ice (LDA), amorphous solid water (ASW) and hyperquenched glassy water (HGW), and examine the changes in their Raman spectra of OH-stretching vibrational regions by annealing at 1 bar. The irreversible change in Raman profile for LDA is observed above its calorimetric glass transition temperature (T_g) of 〜130 K below 144K. The degree of the change in Raman spectra of LDA at the annealing temperature appears to be different from those for ASW and HGW. These results suggest a possibility that the modification in the hydrogen-bonded network of LDA during the annealing occurs above the calorimetric T_g.
- 社団法人日本物理学会の論文
- 2003-12-15
著者
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Mishima Osamu
Advanced Materials Laboratory (aml) National Institute For Materials Science (nims)
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Mishima Osamu
High Pressure Research Laboratory Faculty Of Engineering Science Osaka University:(present Address)
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SUZUKI Yoshiharu
Advanced Materials Laboratory (AML), National Institute for Materials Science (NIMS)
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Suzuki Yoshiharu
Advanced Materials Laboratory (aml) National Institute For Materials Science (nims)
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Mishima Osamu
Advanced Materials Laboratory (AML), National Institute for Materials Science (NIMS)
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- Raman Study of the Annealing Effect of Low-Density Glassy Waters(Condensed Matter : Structure, Mechanical and Thermal Properties)
- Raman Study of the Annealing Effect of Low-Density Glassy Waters