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Compression Study on a Synthetic Goethite  

Kim, Young-Ho (Department of Earth and Environment Science, and Research Institute of Natural Sciences, Gyeongsang National University)
Hwang, Gil-Chan (Department of Earth and Environment Science, and Research Institute of Natural Sciences, Gyeongsang National University)
Kim, Soon-Oh (Department of Earth and Environment Science, and Research Institute of Natural Sciences, Gyeongsang National University)
Publication Information
Journal of the Mineralogical Society of Korea / v.22, no.4, 2009 , pp. 325-330 More about this Journal
Abstract
High pressure x-ray diffraction study was performed on a synthetic FeOOH-goethite to check out its compressibility at room temperature. Angular dispersive x-ray diffraction method was employed using a symmetrical diamond anvil cell with synchrotron radiation. Bulk modulus was determined to be 222.8 GPa under assumption of $K_{T of 4.0. This value is too high comparing with the previously published values from natural samples. It has been discussed the possible causes to incur its high bulk modulus value according to the production conditions.
Keywords
goethite; symmetrical diamond anvil cell; angular dispersive x-ray diffraction method; bulk modulus;
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Times Cited By KSCI : 3  (Citation Analysis)
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