X-ray Raman spectroscopic study of water in the condensed phases

John S. Tse, Dawn M. Shaw, Dennis D. Klug, Serguei Patchkovskii, G. Vankó, Giulio Monaco, Michael Krisch

Research output: Contribution to journalArticle

76 Citations (Scopus)

Abstract

Oxygen K-edge x-ray absorption spectra of high-density amorphous (HDA) ice, low-density amorphous ice Ic, ice Ih, normal and deuterated liquid water were measured with the synchrotron x-ray Raman scattering method under almost identical experimental conditions by in situ heating of an HDA ice sample. The distinct preedge structure previously reported in water was observed in all the spectra. The results show that core-hole excitations are localized and not strongly affected by the local environment. Therefore, the existence of the preedge feature is not a concise indicator of the magnitude of local disorder within the hydrogen bonded network. The intensity of the near-edge absorption shifts into the postedge region when the hydrogen bond network becomes more ordered. This observation is interpreted as an enhancement of Wannier over Frenkel excitations in an ordered crystal.

Original languageEnglish
Article number095502
JournalPhysical Review Letters
Volume100
Issue number9
DOIs
Publication statusPublished - Mar 4 2008

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ice
water
x rays
x ray spectra
x ray scattering
x ray absorption
excitation
synchrotrons
disorders
Raman spectra
hydrogen bonds
absorption spectra
heating
augmentation
shift
oxygen
hydrogen
liquids
crystals

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Tse, J. S., Shaw, D. M., Klug, D. D., Patchkovskii, S., Vankó, G., Monaco, G., & Krisch, M. (2008). X-ray Raman spectroscopic study of water in the condensed phases. Physical Review Letters, 100(9), [095502]. https://doi.org/10.1103/PhysRevLett.100.095502

X-ray Raman spectroscopic study of water in the condensed phases. / Tse, John S.; Shaw, Dawn M.; Klug, Dennis D.; Patchkovskii, Serguei; Vankó, G.; Monaco, Giulio; Krisch, Michael.

In: Physical Review Letters, Vol. 100, No. 9, 095502, 04.03.2008.

Research output: Contribution to journalArticle

Tse, JS, Shaw, DM, Klug, DD, Patchkovskii, S, Vankó, G, Monaco, G & Krisch, M 2008, 'X-ray Raman spectroscopic study of water in the condensed phases', Physical Review Letters, vol. 100, no. 9, 095502. https://doi.org/10.1103/PhysRevLett.100.095502
Tse, John S. ; Shaw, Dawn M. ; Klug, Dennis D. ; Patchkovskii, Serguei ; Vankó, G. ; Monaco, Giulio ; Krisch, Michael. / X-ray Raman spectroscopic study of water in the condensed phases. In: Physical Review Letters. 2008 ; Vol. 100, No. 9.
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