Document Detail


Multipurpose high-pressure high-temperature diamond-anvil cell with a novel high-precision guiding system and a dual-mode pressurization device.
MedLine Citation:
PMID:  21974620     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
A novel diamond-anvil cell (DAC) design has been constructed and tested for in situ applications at high-pressure (HP) operations and has proved to be suitable even for HP sample environments at non-ambient temperature conditions. The innovative high-precision guiding mechanism, comparable to a dog clutch, consists of perpendicular planar sliding-plane elements and is integrated directly into the base body of the cylindrically shaped DAC. The combination of two force-generating devices, i.e., mechanical screws and an inflatable gas membrane, allows the user to choose independently between, and to apply individually, two different forcing mechanisms for pressure generation. Both mechanisms are basically independent of each other, but can also be operated simultaneously. The modularity of the DAC design allows for an easy exchange of functional core-element groups optimized not only for various analytical in situ methods but also for HP operation with or without high-temperature (HT) application. For HP-HT experiments a liquid cooling circuit inside the specific inner modular groups has been implemented to obtain a controlled and limited heat distribution within the outer DAC body.
Authors:
Thomas Pippinger; Ronald Miletich; Michael Burchard
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 Sep 
Date Detail:
Created Date:  2011-10-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0405571     Medline TA:  Rev Sci Instrum     Country:  United States    
Other Details:
Languages:  eng     Pagination:  095108     Citation Subset:  IM    
Affiliation:
Institut für Mineralogie und Kristallographie, Universität Wien, Wien, AustriaInstitut für Geowissenschaften, Universität Heidelberg, Heidelberg, Germany.
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