Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/6933
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Applied Physics | - |
dc.creator | Tang, YM | - |
dc.creator | Ong, CW | - |
dc.date.accessioned | 2014-12-11T08:26:19Z | - |
dc.date.available | 2014-12-11T08:26:19Z | - |
dc.identifier.issn | 0884-2914 | - |
dc.identifier.uri | http://hdl.handle.net/10397/6933 | - |
dc.language.iso | en | en_US |
dc.publisher | Cambridge University Press | en_US |
dc.rights | © 2009 Materials Research Society | en_US |
dc.rights | The following article "Yu Ming Tang and Chung Wo Ong (2009). Room-temperature hydrogen-induced resistivity response of Pd/Mg–Ni films. Journal of Materials Research, 24(6), pp 1928-1935. doi:10.1557/jmr.2009.0226." is available at http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=7949508 | en_US |
dc.subject | Hydrogenation | en_US |
dc.subject | X-ray diffraction (XRD) | en_US |
dc.subject | X-ray photoelectron spectroscopy (XPS) | en_US |
dc.title | Room-temperature hydrogen-induced resistivity response of Pd/Mg–Ni films | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.description.otherinformation | Author name used in this publication: Chung Wo Ong | en_US |
dc.identifier.spage | 1928 | - |
dc.identifier.epage | 1935 | - |
dc.identifier.volume | 24 | - |
dc.identifier.issue | 6 | - |
dc.identifier.doi | 10.1557/jmr.2009.0226 | - |
dcterms.abstract | The structure and the response of the effective electrical resistivity 〈ρ〉 in hydrogenation–dehydrogenation processes of palladium-coated/magnesium-nickel (Pd/Mg–Ni) films were investigated as functions of Mg-to-Ni ratio, substrate temperature, and thickness of Pd overcoat. Films of noncrystalline structures with various Mg-to-Ni ratios showed prominent hydrogen-(H-)induced switching effect of 〈ρ〉. A film is supposed to contain segregated noncrystalline regions of different Mg-to-Ni ratios. The regions of an Mg-to-Ni ratio close to 2 are responsible for the switching processes. At room temperature, a dehydrogenation process is much slower than a hydrogenation process. Crystallization hindered the H-induced switching effect of 〈ρ〉. The use of a thicker Pd overcoat accelerated the change of 〈ρ〉 in the initial hydrogenating process but diminished the contrast. Results led to some discussions on the mechanisms governing the switching effects. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Journal of materials research, June 2009, v. 24, no. 6, p. 1928-1935 | - |
dcterms.isPartOf | Journal of materials research | - |
dcterms.issued | 2009-06 | - |
dc.identifier.isi | WOS:000267207900004 | - |
dc.identifier.scopus | 2-s2.0-68149128462 | - |
dc.identifier.eissn | 2044-5326 | - |
dc.identifier.rosgroupid | r40940 | - |
dc.description.ros | 2008-2009 > Academic research: refereed > Publication in refereed journal | - |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_IR/PIRA | en_US |
dc.description.pubStatus | Published | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
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Tang_Room-temperature_Pd_Mg-Ni.pdf | 871.58 kB | Adobe PDF | View/Open |
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