Abstract
A neutron powder diffraction study was performed to determine the sites occupied by hydrogen in the structure of DHMS phase G, which is stable at the pressure‐temperature conditions of the transition zone and lower mantle. The diffraction data from small samples (about 3 mg) were collected by using a highly sensitive imaging plate detector at the BIX‐3 beamline at JRR‐3M nuclear plant in JAERI Tokai Laboratory, Japan. The present neutron diffraction data reveal that hydrogen (and deuterium) is located in the 6k site of Wykoff letter in the MO6 layer of the phase G structure with the space group . The bond lengths of O‐H and O‐D are 1.1(4) and 0.8(3) Å, respectively. This result is consistent with previous Raman spectroscopic studies of this phase.
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Dates
Type | When |
---|---|
Created | 21 years, 6 months ago (Feb. 4, 2004, 7:11 p.m.) |
Deposited | 1 year, 11 months ago (Sept. 23, 2023, 2:30 a.m.) |
Indexed | 1 year, 2 months ago (June 3, 2024, 1:52 a.m.) |
Issued | 23 years, 10 months ago (Oct. 15, 2001) |
Published | 23 years, 10 months ago (Oct. 15, 2001) |
Published Online | 23 years, 10 months ago (Oct. 15, 2001) |
Published Print | 23 years, 10 months ago (Oct. 15, 2001) |
@article{Suzuki_2001, title={Neutron diffraction study of hydrous phase G: Hydrogen in the lower mantle hydrous silicate, phase G}, volume={28}, ISSN={1944-8007}, url={http://dx.doi.org/10.1029/2001gl013260}, DOI={10.1029/2001gl013260}, number={20}, journal={Geophysical Research Letters}, publisher={American Geophysical Union (AGU)}, author={Suzuki, Akio and Ohtani, Eiji and Kondo, Tadashi and Kuribayashi, Takahiro and Niimura, Nobuo and Kurihara, Kazuo and Chatake, Toshiyuki}, year={2001}, month=oct, pages={3987–3990} }