A TiO2-Coated Reflective Layer Enhances the Sensitivity of a CsI:TI Scintillator for X-ray Imaging Sensors

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dc.contributor.authorKim, Youngjuko
dc.contributor.authorKim, Byoungwookko
dc.contributor.authorKwon, Youngmanko
dc.contributor.authorKim, Jongyulko
dc.contributor.authorKim, Myung Sooko
dc.contributor.authorCho, Gyuseongko
dc.contributor.authorJun, Hong Youngko
dc.contributor.authorThap, Tharoeunko
dc.contributor.authorLee, Jinseokko
dc.contributor.authorYoon, Kwon-Hako
dc.date.accessioned2014-09-02T02:36:14Z-
dc.date.available2014-09-02T02:36:14Z-
dc.date.created2014-08-12-
dc.date.created2014-08-12-
dc.date.issued2014-06-
dc.identifier.citationJOURNAL OF THE OPTICAL SOCIETY OF KOREA, v.18, no.3, pp.256 - 260-
dc.identifier.issn1226-4776-
dc.identifier.urihttp://hdl.handle.net/10203/189875-
dc.description.abstractColumnar-structured cesium iodide (CsI) scintillators doped with thallium (Tl) are frequently used as x-ray converters in medical and industrial imaging. In this study we investigated the imaging characteristics of CsI:T1 films with various reflective layers aluminum (Al), chromium (Cr), and titanium dioxide (TiO2) powder coated on glass substrates. We used two effusion-cell sources in a thermal evaporator system to fabricate CsI:T1 films on substrates. The scintillators were observed via scanning electron microscopy (SEM), and scintillation characteristics were evaluated on the basis of the emission spectrum, light output, light response to x-ray dose, modulation transfer function (MTF), and x-ray images. Compared to control films without a reflective layer, CsI:T1 films with reflective layers showed better sensitivity and light collection efficiency, and the film with a TiO2 reflective layer showed the best properties.-
dc.languageEnglish-
dc.publisherOPTICAL SOC KOREA-
dc.subjectSPATIAL-RESOLUTION-
dc.subjectDETECTORS-
dc.subjectPERFORMANCE-
dc.subjectEFFICIENCY-
dc.subjectSYSTEMS-
dc.subjectDEVICE-
dc.subjectMTF-
dc.titleA TiO2-Coated Reflective Layer Enhances the Sensitivity of a CsI:TI Scintillator for X-ray Imaging Sensors-
dc.typeArticle-
dc.identifier.wosid000338751900009-
dc.identifier.scopusid2-s2.0-84904186237-
dc.type.rimsART-
dc.citation.volume18-
dc.citation.issue3-
dc.citation.beginningpage256-
dc.citation.endingpage260-
dc.citation.publicationnameJOURNAL OF THE OPTICAL SOCIETY OF KOREA-
dc.identifier.doi10.3807/JOSK.2014.18.3.256-
dc.contributor.localauthorCho, Gyuseong-
dc.contributor.nonIdAuthorKim, Youngju-
dc.contributor.nonIdAuthorKim, Byoungwook-
dc.contributor.nonIdAuthorKwon, Youngman-
dc.contributor.nonIdAuthorJun, Hong Young-
dc.contributor.nonIdAuthorThap, Tharoeun-
dc.contributor.nonIdAuthorLee, Jinseok-
dc.contributor.nonIdAuthorYoon, Kwon-Ha-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorCsI(Tl) scintillator-
dc.subject.keywordAuthorLight output-
dc.subject.keywordAuthorMTF-
dc.subject.keywordAuthorX-ray imaging detector-
dc.subject.keywordPlusSPATIAL-RESOLUTION-
dc.subject.keywordPlusDETECTORS-
dc.subject.keywordPlusPERFORMANCE-
dc.subject.keywordPlusEFFICIENCY-
dc.subject.keywordPlusSYSTEMS-
dc.subject.keywordPlusDEVICE-
dc.subject.keywordPlusMTF-
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