Document Detail


A high temperature high pressure cell for quasielastic neutron scattering.
MedLine Citation:
PMID:  21895254     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We present our recent development of a high temperature high pressure cell for neutron scattering. Combining a water cooled Nb1Zr pressure cell body with an internal heating furnace, the sample environment can reach temperatures of up to 1500 K at a pressure of up to 200 MPa at the sample position, with an available sample volume of about 700 mm(3). The cell material Nb1Zr is specifically chosen due to its reasonable mechanical strength at elevated temperatures and fairly small neutron absorption and incoherent scattering cross sections. With this design, an acceptable signal-to-noise ratio of about 10:1 can be achieved. This opens new possibilities for quasielastic neutron scattering studies on different types of neutron spectrometers under high temperature high pressure conditions, which is particularly interesting for geological research on, e.g., water dynamics in silicate melts.
Authors:
F Yang; J Kaplonski; T Unruh; E Mamontov; A Meyer
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Review of scientific instruments     Volume:  82     ISSN:  1089-7623     ISO Abbreviation:  Rev Sci Instrum     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-09-07     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0405571     Medline TA:  Rev Sci Instrum     Country:  United States    
Other Details:
Languages:  eng     Pagination:  083903     Citation Subset:  IM    
Affiliation:
Institut für Materialphysik im Weltraum, Deutsches Zentrum für Luft- und Raumfahrt (DLR), 51170 Köln, GermanyPhysik Department E13, Technische Universität München, 85748 Garching, GermanyForschungsneutronenquelle Heinz Maier-Leibnitz (FRM II), Technische Universität München, 85748 Garching, GermanySpallation Neutron Source, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA.
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