| Large volume high-pressure cell for inelastic neutron scattering. | |
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MedLine Citation:
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PMID: 21806195 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Inelastic neutron scattering measurements typically require two orders of magnitude longer data collection times and larger sample sizes than neutron diffraction studies. Inelastic neutron scattering measurements on pressurised samples are particularly challenging since standard high-pressure apparatus restricts sample volume, attenuates the incident and scattered beams, and contributes background scattering. Here, we present the design of a large volume two-layered piston-cylinder pressure cell with optimised transmission for inelastic neutron scattering experiments. The design and the materials selected for the construction of the cell enable its safe use to a pressure of 1.8 GPa with a sample volume in excess of 400 mm(3). The design of the piston seal eliminates the need for a sample container, thus providing a larger sample volume and reduced absorption. The integrated electrical plug with a manganin pressure gauge offers an accurate measurement of pressure over the whole range of operational temperatures. The performance of the cell is demonstrated by an inelastic neutron scattering study of UGe(2). |
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Authors:
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W Wang; D A Sokolov; A D Huxley; K V Kamenev |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Review of scientific instruments Volume: 82 ISSN: 1089-7623 ISO Abbreviation: Rev Sci Instrum Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-08-02 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0405571 Medline TA: Rev Sci Instrum Country: United States |
Other Details:
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Languages: eng Pagination: 073903 Citation Subset: IM |
Affiliation:
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Centre for Science at Extreme Conditions and School of Engineering, University of Edinburgh, Edinburgh EH9 3JZ, United KingdomSUPA, Centre for Science at Extreme Conditions and School of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, United Kingdom. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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