Characterization of vibrational resonances of water-vapor interfaces by phase-sensitive sum-frequency spectroscopy |
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Authors: | Ji N Ostroverkhov V Tian C S Shen Y R |
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Institution: | Department of Physics, University of California, Berkeley, CA 94720, USA. |
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Abstract: | Phase-sensitive sum-frequency spectroscopy provides correct characterization of vibrational resonances of water-vapor interfaces and allows better identification of interfacial water species contributing to different parts of the spectra. Iodine ions emerging at an interface create a surface field that tends to reorient the more loosely bonded water molecules below the topmost layer. |
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