Kolesnikov, A. I., Yang, H. X., Shi, Y. G., Li, J. Q., Walton, Richard I. and Li, J. C. (2007) Observation of two O-H covalent bonds of water in the Na0.3CoO2∙1.3H2O superconductor by inelastic neutron spectroscopy. Physical Review B, Vol.76 (No.9). Article: 092302. doi:10.1103/PhysRevB.76.092302

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Abstract

The vibrational dynamics of pure H2O and isotopically substituted HDO water in a Na0.3CoO2 center dot 1.3H(2)O layered compound was studied using neutron spectroscopy. The obtained results showed that water in the ab plane of the hexagonal structure exhibits intermolecular translational vibrations and intramolecular O-H stretching modes similar to those in bulk water, but the vibrations along the z direction are different-the corresponding hydrogen bond between the water molecule and the CoO2 layer is much weaker than between water molecules in the water layer. These data revealed two O-H covalent bonds for water in Na0.3CoO2 center dot 1.3H(2)O superconductor which differ in strength by about 18%.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science, Engineering and Medicine > Science > Chemistry
Journal or Publication Title:	Physical Review B
Publisher:	American Physical Society
ISSN:	1098-0121
Official Date:	September 2007
Dates:	Date Event September 2007 Published
Volume:	Vol.76
Number:	No.9
Number of Pages:	3
Page Range:	Article: 092302
DOI:	10.1103/PhysRevB.76.092302
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	U.S. Department of Energy
Grant number:	W-31-109-ENG-38

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