THz spectroscopy of liquid H2O and D2O

被引：343
|
作者：
Ronne, C
Åstrand, PO
Keiding, SR
机构：
[1] Aarhus Univ, Dept Chem, DK-8000 Aarhus C, Denmark
[2] Riso Natl Lab, Condensed Matter Phys & Chem Dept, DK-4000 Roskilde, Denmark
来源：
PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 14期
关键词：
D O I：
10.1103/PhysRevLett.82.2888
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have measured and analyzed the dielectric (0.1-2 THz) response of liquid H2O and D2O from 270 to 365 K. The response has been modeled using a Debye model with a fast and a slow decay time. By shifting the temperature scale for the slow decay time of D2O by 7.2 K we find identical behavior for D2O and H2O. The temperature dependence and isotope shift of the intermolecular structural relaxation characterized by the slow decay time can be modeled with a singular point at 228 K for H2O and 235 K for D2O. [S0031-9007(99)08896-1].
引用
收藏
页码：2888 / 2891
页数：4
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