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Persistent URL http://purl.org/net/epubs/work/37152
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Record Id 37152
Title A flow-through hydrothermal cell for in situ neutron diffraction studies of phase transformations
Abstract A flow-through hydrothermal cell for the in situ neutron diffraction study of crystallisation and phase transitions has been developed. It can be used for kinetic studies on materials that exhibit structural transformations under hydrothermal conditions. It is specifically designed for use on the medium-resolution powder diffractometer (MRPD) at ANSTO, Lucas Heights, Sydney. But it is planned to adapt the design for the Polaris beamline at ISIS and the new high-intensity powder diffractometer (Wombat) at the new Australian reactor Opal. The cell will operate in a flow-through mode over the temperature range from 25-300 degrees C and up to pressures of 100 bar. The first results of a successful transformation of pentlandite (Fe,Ni)(9)S-8 to violarite (Fe,Ni)(3)S-4 under mild conditions (pH similar to 4) at 120 degrees C and 3 bar using in situ neutron diffraction measurements are presented. (c) 2006 Elsevier B.V. All rights reserved.
Keywords EXSOLUTION , ISIS 2006
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Language English (EN)
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Journal Article Physica B 385-386, no. 2 (2006): 942-945. doi:10.1016/j.physb.2006.05.278 2006