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Secondary electron emission properties of Zn-doped MgO thin films grown via electron-beam evaporation
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dc.contributor.authorYu, Hak Ki-
dc.date.issued2018-05-01-
dc.identifier.issn0040-6090-
dc.identifier.urihttps://aurora.ajou.ac.kr/handle/2018.oak/30130-
dc.identifier.urihttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85043392834&origin=inward-
dc.description.abstractThe secondary electron emission (SEE) properties of Zn-doped MgO thin films (~700 nm thickness) grown via electron-beam evaporation have been studied based on Paschen curve measurements. The Zn-doped (1 at.%) MgO film shows an improved SEE coefficient (γ) compared to that of non-doped MgO from 0.02 to 0.05 in the 100 V Pa−1 m−1 region. The origin of a superior γ is due to the reduction in the band-gap from 6.79 eV to 6.26 eV (the values are measured via ultra-violet photoemission spectroscopy; UPS) because γ is normally determined by the Auger neutralization process, which uses the neutralization energy of ion valence band electron emission. This thin film can be used in new kinds of plasma devices, such as flat-fluorescent lamps, plasma displays, electron emitters, and ionized mass spectrometers.-
dc.description.sponsorshipThis work was supported by the Ajou University research fund.-
dc.language.isoeng-
dc.publisherElsevier B.V.-
dc.subject.meshAuger neutralization-
dc.subject.meshElectron beam evaporation-
dc.subject.meshElectron emitters-
dc.subject.meshFlat fluorescent lamp-
dc.subject.meshPaschen curves-
dc.subject.meshSecondary electron emissions-
dc.subject.meshValence-band electrons-
dc.subject.meshZinc doped-
dc.titleSecondary electron emission properties of Zn-doped MgO thin films grown via electron-beam evaporation-
dc.typeArticle-
dc.citation.endPage61-
dc.citation.startPage57-
dc.citation.titleThin Solid Films-
dc.citation.volume653-
dc.identifier.bibliographicCitationThin Solid Films, Vol.653, pp.57-61-
dc.identifier.doi10.1016/j.tsf.2018.03.014-
dc.identifier.scopusid2-s2.0-85043392834-
dc.identifier.urlhttp://www.journals.elsevier.com/journal-of-the-energy-institute-
dc.subject.keywordElectron-beam evaporation-
dc.subject.keywordPaschen curve-
dc.subject.keywordSecondary electron emission-
dc.subject.keywordZinc-doped magnesium oxide-
dc.type.otherArticle-
dc.description.isoafalse-
dc.subject.subareaElectronic, Optical and Magnetic Materials-
dc.subject.subareaSurfaces and Interfaces-
dc.subject.subareaSurfaces, Coatings and Films-
dc.subject.subareaMetals and Alloys-
dc.subject.subareaMaterials Chemistry-
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Department of Materials Science Engineering
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