Probing Water and other Liquids with LCLS-II - SLAC Portal ...

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Probing water at higher pressures and glassy formsHomogenousIce NucleationLimit -38 °C-45 °C in “nomans land”ρ(HDA)=1.17 g/cm 3ρ(LDA)=0.94Low DensityAmorphous Ice (LDA)High DensityAmorphous Ice(HDA)ρ(Ih)=0.92ρ(Ic)=0.92H. E. STANLEY “Mysteries of Water” Les Houches Lecture, May 1998Originally Proposed P. H. Pool and H. E. Stanley et.al Nature 360, 324 (1992)
Much largerenhancements(fluctuations!)at lower TSAXS – Ambient to Supercooled RegimeAt low Q rangeS(Q) shows anunusual enhancementS 1Aζ + Q( Q) ∝ − 2 2F.T.Q1)k TnχBVery good fit to previous dataTHuang et al., PNAS 106, 15214 (2009); PNAS 107, E45 (2010); JCP 133, 134504 (2010)
Page 1 and 2: Water denser than iceProbing Water
Page 3 and 4: Access to Clean WaterThe Challenge
Page 5 and 6: Density MaximumNormal liquiddensity
Page 7 and 8: Anomalous Properties of WaterIsothe
Page 9 and 10: IceOpen spaces where nomolecules ar
Page 11 and 12: Snapshot from MD at -20 °CPerspect
Page 13 and 14: “No-Mans Land” below limit of h
Page 15: X-ray Emission SpectroscopyHDLLDLLD
Page 19 and 20: Probing correlation length in no-ma
Page 21 and 22: Ordered StructuresEquilibrium Pheno
Page 23 and 24: Hidden Local Symmetries fromHigher-
Page 25 and 26: Ultrafast XPCS using ‘Split Pulse
Page 27 and 28: Perform pump-probeIR-THz and x-rayP
Page 29 and 30: Interfacial Water

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