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  4. Diffraction study of solid oxygen embedded in porous glasses
 
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Diffraction study of solid oxygen embedded in porous glasses

Publikationstyp
Journal Article
Date Issued
2001-10-24
Sprache
English
Author(s)
Wallacher, Dirk  
Huber, Patrick  orcid-logo
Enderle, Mechthild  
Ackermann, Ralf  
Knorr, Klaus  
TORE-URI
http://hdl.handle.net/11420/12810
Journal
Physical Review B - Condensed Matter and Materials Physics  
Volume
64
Issue
18
Citation
Physical Review B - Condensed Matter and Materials Physics 64 (18): (2001)
Publisher DOI
10.1103/PhysRevB.64.184203
Scopus ID
2-s2.0-0035507752
Publisher
American Physical Society
Molecular oxygen condensed and solidified in porous silica with pore diameters of 5, 7.5, and 13 nm has been investigated by x-ray diffraction as function of the filling fraction and the temperature. Two components of the pore filling can be distinguished: an amorphous layer on the pore walls, about 2 ML thick, with no conspicuous temperature dependence and the capillary condensate in the pore center that shows the sequence liquid-(formula presented) of bulk (formula presented) but with reduced transition temperatures. In 5-nm pores the (formula presented) transformation is incomplete. In the larger pores remainders of the (formula presented) transition have been detected.
DDC Class
530: Physik
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