Influence of the Temperature History of Condensed Argon on its Hydrogen Adsorptivity at Low Temperatures

Autor:	J. Hengevoss
Rok vydání:	1969
Předmět:	Condensed Matter::Quantum Gases Adsorption Argon chemistry Hydrogen Physics::Instrumentation and Detectors Physics::Atomic and Molecular Clusters General Engineering Analytical chemistry Molecule chemistry.chemical_element Physics::Chemical Physics Atomic physics
Zdroj:	Journal of Vacuum Science and Technology. 6:58-62
ISSN:	0022-5355
DOI:	10.1116/1.1492624
Popis:	Adsorption of hydrogen on to multimolecular layers of condensed argon at the temperature of 9 °K was investigated. Before adsorbing hydrogen the condensed argon has been temperature cycled in different ways. It was found, that the adsorption capacity of the solid argon was 20 times higher when first condensed at 6 °K and subsequently heated to 9 °K than if it had first been condensed at 20 °K and subsequently cooled to 9 °K. Furthermore a loss in adsorption capacity was established, if solid argon condensed at 9 °K has been tempered at higher temperatures during only a few seconds. This result implies that structure and density of the solid argon depends on the temperature at which it has been built up. Presumably the argon molecules condensing at low temperatures only form loose packed layers because their surface mobility is very small in this case.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::562713a83141532c0610b29b3e1130c8 https://doi.org/10.1116/1.1492624 Zobrazit plný text záznamu