Size-induced effect on cathode luminescence spectra of CsI(Na) and CsI(Tl) crystals
We investigated the cathode luminescence characteristics of CsI(Na)and CsI(Tl)crystals by the spectrum and structure properties at room temperature.We fabricated three different sizes of CsI(Na)and CsI(Tl)crystals and measured their luminescence spectra under cathode rays.We found that CsI(Na)cathod...
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creator | LIU Fang OUYANG XiaoPing LIU Bin LIU JinLiang CHEN Liang ZHANG ZhongBing ZHANG XueBin FENG Yi |
description | We investigated the cathode luminescence characteristics of CsI(Na)and CsI(Tl)crystals by the spectrum and structure properties at room temperature.We fabricated three different sizes of CsI(Na)and CsI(Tl)crystals and measured their luminescence spectra under cathode rays.We found that CsI(Na)cathode luminescence peaks appear at 420 and 305 nm,and CsI(Tl)cathode luminescence peaks are 540 and 410 nm,the grain size affects CsI(Na)luminescence significantly,and the Na-related420 nm luminescence intensified relatively when the average grain size reaches~20μm,which becomes weak when the grain size is down to nano-scale.But the cathode luminescence spectra of CsI(Tl)crystals with different size have no obvious changes.Our explanations for these phenomena are that the different impurities in the same host material CsI lead to different luminescence mechanisms.These cathode luminescence characteristics indicate the suitability of CsI(Na)and CsI(Tl)crystals to match photomultiplier tube for large area crystal detector development. |
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Yi</creator><creatorcontrib>LIU Fang OUYANG XiaoPing LIU Bin LIU JinLiang CHEN Liang ZHANG ZhongBing ZHANG XueBin FENG Yi</creatorcontrib><description>We investigated the cathode luminescence characteristics of CsI(Na)and CsI(Tl)crystals by the spectrum and structure properties at room temperature.We fabricated three different sizes of CsI(Na)and CsI(Tl)crystals and measured their luminescence spectra under cathode rays.We found that CsI(Na)cathode luminescence peaks appear at 420 and 305 nm,and CsI(Tl)cathode luminescence peaks are 540 and 410 nm,the grain size affects CsI(Na)luminescence significantly,and the Na-related420 nm luminescence intensified relatively when the average grain size reaches~20μm,which becomes weak when the grain size is down to nano-scale.But the cathode luminescence spectra of CsI(Tl)crystals with different size have no obvious changes.Our explanations for these phenomena are that the different impurities in the same host material CsI lead to different luminescence mechanisms.These cathode luminescence characteristics indicate the suitability of CsI(Na)and CsI(Tl)crystals to match photomultiplier tube for large area crystal detector development.</description><identifier>ISSN: 1674-7348</identifier><identifier>EISSN: 1869-1927</identifier><language>eng</language><subject>CsI(Tl)晶体 ; 光电倍增管 ; 发光光谱 ; 平均晶粒尺寸 ; 纳米尺度 ; 阴极发光 ; 阴极射线</subject><ispartof>中国科学:物理学、力学、天文学英文版, 2014 (9), p.1684-1688</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/60109X/60109X.jpg</thumbnail><link.rule.ids>314,780,784,4024</link.rule.ids></links><search><creatorcontrib>LIU Fang OUYANG XiaoPing LIU Bin LIU JinLiang CHEN Liang ZHANG ZhongBing ZHANG XueBin FENG Yi</creatorcontrib><title>Size-induced effect on cathode luminescence spectra of CsI(Na) and CsI(Tl) crystals</title><title>中国科学:物理学、力学、天文学英文版</title><addtitle>SCIENCE CHINA Physics, Mechanics & Astronomy</addtitle><description>We investigated the cathode luminescence characteristics of CsI(Na)and CsI(Tl)crystals by the spectrum and structure properties at room temperature.We fabricated three different sizes of CsI(Na)and CsI(Tl)crystals and measured their luminescence spectra under cathode rays.We found that CsI(Na)cathode luminescence peaks appear at 420 and 305 nm,and CsI(Tl)cathode luminescence peaks are 540 and 410 nm,the grain size affects CsI(Na)luminescence significantly,and the Na-related420 nm luminescence intensified relatively when the average grain size reaches~20μm,which becomes weak when the grain size is down to nano-scale.But the cathode luminescence spectra of CsI(Tl)crystals with different size have no obvious changes.Our explanations for these phenomena are that the different impurities in the same host material CsI lead to different luminescence mechanisms.These cathode luminescence characteristics indicate the suitability of CsI(Na)and CsI(Tl)crystals to match photomultiplier tube for large area crystal detector development.</description><subject>CsI(Tl)晶体</subject><subject>光电倍增管</subject><subject>发光光谱</subject><subject>平均晶粒尺寸</subject><subject>纳米尺度</subject><subject>阴极发光</subject><subject>阴极射线</subject><issn>1674-7348</issn><issn>1869-1927</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNijEOgjAYhRujiUS5Q-NOQqVSmIlGFxfZHEjT_kANFKQw4An0TtyJK4gJB_At3_vy3gJZJPBDh4R7tpy6z6jDPBqskW3Mw53ihS5l1EL3m3qBo7TsBEgMaQqixZXGgrd5JQEXXak0GAFaADb1tDYcVymOzGUc3lc-Dh_MtZw9Ln4umt60vDBbtEongD1zg3anYxydHZFXOnsqnSV1o0re9InvE3aghITeX6cvM2NIDA</recordid><startdate>2014</startdate><enddate>2014</enddate><creator>LIU Fang OUYANG XiaoPing LIU Bin LIU JinLiang CHEN Liang ZHANG ZhongBing ZHANG XueBin FENG Yi</creator><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope></search><sort><creationdate>2014</creationdate><title>Size-induced effect on cathode luminescence spectra of CsI(Na) and CsI(Tl) crystals</title><author>LIU Fang OUYANG XiaoPing LIU Bin LIU JinLiang CHEN Liang ZHANG ZhongBing ZHANG XueBin FENG Yi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-chongqing_primary_6617541193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>CsI(Tl)晶体</topic><topic>光电倍增管</topic><topic>发光光谱</topic><topic>平均晶粒尺寸</topic><topic>纳米尺度</topic><topic>阴极发光</topic><topic>阴极射线</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>LIU Fang OUYANG XiaoPing LIU Bin LIU JinLiang CHEN Liang ZHANG ZhongBing ZHANG XueBin FENG Yi</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><jtitle>中国科学:物理学、力学、天文学英文版</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>LIU Fang OUYANG XiaoPing LIU Bin LIU JinLiang CHEN Liang ZHANG ZhongBing ZHANG XueBin FENG Yi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Size-induced effect on cathode luminescence spectra of CsI(Na) and CsI(Tl) crystals</atitle><jtitle>中国科学:物理学、力学、天文学英文版</jtitle><addtitle>SCIENCE CHINA Physics, Mechanics & Astronomy</addtitle><date>2014</date><risdate>2014</risdate><issue>9</issue><spage>1684</spage><epage>1688</epage><pages>1684-1688</pages><issn>1674-7348</issn><eissn>1869-1927</eissn><abstract>We investigated the cathode luminescence characteristics of CsI(Na)and CsI(Tl)crystals by the spectrum and structure properties at room temperature.We fabricated three different sizes of CsI(Na)and CsI(Tl)crystals and measured their luminescence spectra under cathode rays.We found that CsI(Na)cathode luminescence peaks appear at 420 and 305 nm,and CsI(Tl)cathode luminescence peaks are 540 and 410 nm,the grain size affects CsI(Na)luminescence significantly,and the Na-related420 nm luminescence intensified relatively when the average grain size reaches~20μm,which becomes weak when the grain size is down to nano-scale.But the cathode luminescence spectra of CsI(Tl)crystals with different size have no obvious changes.Our explanations for these phenomena are that the different impurities in the same host material CsI lead to different luminescence mechanisms.These cathode luminescence characteristics indicate the suitability of CsI(Na)and CsI(Tl)crystals to match photomultiplier tube for large area crystal detector development.</abstract></addata></record> |
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source | SpringerLink Journals; Alma/SFX Local Collection |
subjects | CsI(Tl)晶体 光电倍增管 发光光谱 平均晶粒尺寸 纳米尺度 阴极发光 阴极射线 |
title | Size-induced effect on cathode luminescence spectra of CsI(Na) and CsI(Tl) crystals |
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