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Investigation of the effects of high-energy proton-beam irradiation on metal-oxide surfaces by using methane adsorption isotherms

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dc.contributor.authorKim, Euikwoun-
dc.contributor.authorLee, Junggil-
dc.contributor.authorKim, Jae Yong-
dc.contributor.authorKim, Kyeryung-
dc.date.accessioned2022-07-07T13:50:54Z-
dc.date.available2022-07-07T13:50:54Z-
dc.date.created2021-05-12-
dc.date.issued2012-07-
dc.identifier.issn0374-4884-
dc.identifier.urihttps://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/144742-
dc.description.abstractThe creation of possible local defects on metal-oxide surfaces due to irradiation with a high-energy proton beam was investigated by using a series of gas adsorption isotherms for methane (CH4) on a MgO powder surface. After a MgO powder surface having only a (100) surface had been irradiated with a 35-MeV proton beam, the second atomic layer of methane had completely disappeared while two distinct atomic layers were found in a layer-by-layer fashion on the surfaces of unirradiated samples. This subtle modification of the surface is evidenced by a change of the contrasts in the morphologies measured a using a transmission electron microscopy. Combined results obtained from an electron microscopy and methane adsorption isotherms strongly suggest that the high-energy proton-beam irradiation induced a local surface modification by imparting kinetic energy to the sample. The calculation of the 2-dimensional compressibility values, which are responsible for the formation of the atomic layers, confirmed the surface modification after irradiating surface-clean MgO powders with a proton beam.-
dc.language영어-
dc.language.isoen-
dc.publisherKOREAN PHYSICAL SOC-
dc.titleInvestigation of the effects of high-energy proton-beam irradiation on metal-oxide surfaces by using methane adsorption isotherms-
dc.typeArticle-
dc.contributor.affiliatedAuthorKim, Jae Yong-
dc.identifier.doi10.3938/jkps.61.278-
dc.identifier.scopusid2-s2.0-84866362677-
dc.identifier.wosid000307280400022-
dc.identifier.bibliographicCitationJOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.61, no.2, pp.278 - 281-
dc.relation.isPartOfJOURNAL OF THE KOREAN PHYSICAL SOCIETY-
dc.citation.titleJOURNAL OF THE KOREAN PHYSICAL SOCIETY-
dc.citation.volume61-
dc.citation.number2-
dc.citation.startPage278-
dc.citation.endPage281-
dc.type.rimsART-
dc.type.docTypeArticle; Proceedings Paper-
dc.identifier.kciidART001682466-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.description.journalRegisteredClasskci-
dc.relation.journalResearchAreaPhysics-
dc.relation.journalWebOfScienceCategoryPhysics, Multidisciplinary-
dc.subject.keywordPlusMGO(100)-
dc.subject.keywordPlusMGO-
dc.subject.keywordAuthorAdsorption-
dc.subject.keywordAuthorProton beam-
dc.subject.keywordAuthorMgO-
dc.subject.keywordAuthorMethane-
dc.identifier.urlhttps://link.springer.com/article/10.3938/jkps.61.278-
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