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PhysRevAccelBeams.20.073401.pdf1.95 MBAdobe PDF見る/開く
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dc.contributor.authorTorgasin, K.en
dc.contributor.authorMorita, K.en
dc.contributor.authorZen, H.en
dc.contributor.authorMasuda, K.en
dc.contributor.authorKatsurayama, T.en
dc.contributor.authorMurata, T.en
dc.contributor.authorSuphakul, S.en
dc.contributor.authorYamashita, H.en
dc.contributor.authorNogi, T.en
dc.contributor.authorKii, T.en
dc.contributor.authorNagasaki, K.en
dc.contributor.authorOhgaki, H.en
dc.contributor.alternative守田, 健一ja
dc.contributor.alternative全, 炳俊ja
dc.contributor.alternative増田, 開ja
dc.contributor.alternative桂山, 翼ja
dc.contributor.alternative村田, 智哉ja
dc.contributor.alternative山下, 大樹ja
dc.contributor.alternative野儀, 武志ja
dc.contributor.alternative紀井, 俊輝ja
dc.contributor.alternative長﨑, 百伸ja
dc.contributor.alternative大垣, 英明ja
dc.date.accessioned2023-08-23T02:50:42Z-
dc.date.available2023-08-23T02:50:42Z-
dc.date.issued2017-07-
dc.identifier.urihttp://hdl.handle.net/2433/284746-
dc.description.abstractThe thermally assisted photoemission (TAPE) effect was investigated for the hexaboride thermionic cathodes (LaB₆ and CeB₆). It was found that the quantum efficiency of these cathodes can be increased by raising the cathode temperature along with the thermionic emission. In addition both materials can emit a measurable photoemission current by being irradiated with a laser having a photon energy below the work function at sufficiently high cathode temperatures. Our measurements indicate that this process is linear. These results show the significance of the TAPE effect. An additional effect of cathode heating is surface cleaning. This effect was detected as the hysteresis of the quantum efficiency which can be observed by heating up and cooling down the cathode. This effect slightly changes the quantum efficiency but not as much as the TAPE effect.en
dc.language.isoeng-
dc.publisherAmerican Physical Societyen
dc.rightsPublished by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/-
dc.subjectPhotoemissionen
dc.subjectThermionic emissionen
dc.subjectElectron sourcesen
dc.subjectPhotoexcitationen
dc.subjectThermal techniquesen
dc.subjectAccelerators & Beamsen
dc.titleThermally assisted photoemission effect on CeB₆ and LaB₆ for application as photocathodesen
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.jtitlePhysical Review Accelerators and Beamsen
dc.identifier.volume20-
dc.identifier.issue7-
dc.relation.doi10.1103/PhysRevAccelBeams.20.073401-
dc.textversionpublisher-
dc.identifier.artnum073401-
dcterms.accessRightsopen access-
dc.identifier.eissn2469-9888-
出現コレクション:学術雑誌掲載論文等

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