High Pressure IR And XRD Studies For Hydrous Minerals

HR: 0800h
AN: T41B-1192 [Abstracts]
TI: High Pressure IR And XRD Studies For Hydrous Minerals
AU: * Liu, H
EM: hliu@hpcat.aps.anl.gov
AF: HPCAT, Advanced Photon Source, BLDG. 434E, Argonne National Laboratory, Argonne, IL 60439
AU: * Liu, H
EM: hliu@hpcat.aps.anl.gov
AF: Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road, N.W. , Washington DC, DC 20015
AU: Liu, Z
AF: Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road, N.W. , Washington DC, DC 20015
AU: Ding, Y
AF: Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road, N.W. , Washington DC, DC 20015
AU: Guo, Q
AF: Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road, N.W. , Washington DC, DC 20015
AU: Hu, J
AF: Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road, N.W. , Washington DC, DC 20015
AU: Hеsermann, D
AF: HPCAT, Advanced Photon Source, BLDG. 434E, Argonne National Laboratory, Argonne, IL 60439
AU: Mao, H
AF: HPCAT, Advanced Photon Source, BLDG. 434E, Argonne National Laboratory, Argonne, IL 60439
AU: Mao, H
AF: Geophysical Laboratory, Carnegie Institution of Washington, 5251 Broad Branch Road, N.W. , Washington DC, DC 20015
AB: The knowledge of the high pressure behavior of hydrous minerals is important to an understanding of the source of water, and its role in deep focus earthquakes in the Earth's mantle. The structural information of hydrogen could be attained from the spectroscopic studies, which are sensitive to the change relative to hydrogen bonds. We performed in situ high pressure IR spectra measurements up to 25 GPa for Al(OH)3, In(OH)3, Zn(OH)2, Ni(OH)2 at U2A beamline, NSLS. Corresponding high pressure XRD experiments were carried out at X17B3 beamline, NSLS, and ID-B beamline of HPCAT, APS for their compressibility and phase stability. These high pressure researches could extend our understanding of the hydrogen role during compressions and pressure induced phase transition in the well concerned hydrous minerals.
DE: 3620 Crystal chemistry
DE: 3900 MINERAL PHYSICS
DE: 3924 High-pressure behavior
DE: 3934 Optical, infrared, and Raman spectroscopy
DE: 3954 X ray, neutron, and electron spectroscopy and diffraction
SC: Tectonophysics [T]
MN: 2004 AGU Fall Meeting