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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xingcai Su Lianos, L. Somorjai, G.A. Shen, Y.R. |
| Copyright Year | 1998 |
| Description | Author affiliation: Dept. of Chem., California Univ., Berkeley, CA, USA (Xingcai Su) |
| Abstract | Summary form only given. Can ice be ferroelectric! This question has long attracted much attention. In crystalline ice, water molecules are held together by tetrahedralhydrogen bonding. The molecular orientations at the lattice points should obey the ice rules, which require that each molecule donate two protons to two of the attached water molecules and accept two protons from the other two. We used infrared-visible sum-frequency generation (SFG) spectroscopy as a probe in our experiment. As a second-order nonlinear optical process, SFG is forbidden in a medium with inversion symmetry. In its application to an ice film, the spectrum could be weak if the water molecules in the film are non-polar oriented. |
| Starting Page | 216 |
| Ending Page | 217 |
| File Size | 324112 |
| Page Count | 2 |
| File Format | |
| ISBN | 1557525412 |
| DOI | 10.1109/IQEC.1998.680457 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1998-05-08 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Optical Soc. Of America |
| Subject Keyword | Ice surface Ferroelectric materials Optical films Protons Crystallization Bonding Lattices Spectroscopy Probes Nonlinear optics |
| Content Type | Text |
| Resource Type | Article |
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