{"id":17658,"date":"2020-06-16T21:18:13","date_gmt":"2020-06-16T21:18:13","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-cintilador-csi-tl-definicao\/"},"modified":"2020-07-21T15:31:37","modified_gmt":"2020-07-21T15:31:37","slug":"o-que-e-cintilador-csi-tl-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-cintilador-csi-tl-definicao\/","title":{"rendered":"O que \u00e9 cintilador CsI (Tl) &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-u-clearfix su-u-trim\">O iodeto de c\u00e9sio (CsI) na forma cristalina \u00e9 usado como cintilador para a detec\u00e7\u00e3o de pr\u00f3tons e part\u00edculas alfa.\u00a0O CsI puro \u00e9 um material cintilante r\u00e1pido e denso.\u00a0Dosimetria de Radia\u00e7\u00e3o<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<figure id=\"attachment_26350\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-26350\"><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/CsITl-crystal.jpg\"><img loading=\"lazy\" class=\"size-medium wp-image-26350 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/CsITl-crystal-300x225.jpg\" alt=\"Cristal de cintila\u00e7\u00e3o CsI (Tl)\" width=\"300\" height=\"225\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/CsITl-crystal-300x225.jpg\" \/><\/a><figcaption id=\"caption-attachment-26350\" class=\"wp-caption-text\">Cristal de cintila\u00e7\u00e3o CsI (Tl).\u00a0Fonte: wikipedia.de Licen\u00e7a: CC BY-SA 3.0<\/figcaption><\/figure>\n<p><strong>O iodeto de c\u00e9sio (CsI)<\/strong>\u00a0na forma cristalina \u00e9 usado como cintilador para a detec\u00e7\u00e3o de\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/what-is-proton-properties-of-proton\/\"><strong>pr\u00f3tons<\/strong><\/a>\u00a0e\u00a0<strong><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/alpha-particle\/\">part\u00edculas alfa<\/a><\/strong>\u00a0.\u00a0O CsI puro \u00e9 um material cintilante r\u00e1pido e denso com rendimento de luz relativamente baixo que aumenta significativamente com o resfriamento.\u00a0As desvantagens de CsI s\u00e3o um gradiente de alta temperatura e uma ligeira higroscopicidade.<\/p>\n<p><strong>O iodeto de c\u00e9sio dopado com t\u00e1lio<\/strong>\u00a0possui um n\u00famero at\u00f4mico efetivo de 54 e uma densidade de 4,51 g \/ cm\u00a0<sup>3<\/sup>\u00a0.\u00a0O CsI (TI) tamb\u00e9m \u00e9 higrosc\u00f3pico e n\u00e3o deve ser submetido a alta umidade ou \u00e1gua.\u00a0O CsI (TI) possui tempos de decaimento diferentes para diferentes part\u00edculas (680ns e 3340ns) e pode ser usado para determinar entre diferentes tipos de radia\u00e7\u00e3o.\u00a0O espectro de emiss\u00e3o tem o pico de 540-560 nm.<\/p>\n<p>Os contadores de cintila\u00e7\u00e3o podem ser usados \u200b\u200bpara detectar\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/photon\/gamma-ray\/\">radia\u00e7\u00e3o\u00a0<\/a><a href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-radiacao-alfa-definicao\/\">alfa<\/a>\u00a0,\u00a0\u00a0<a href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-radiacao-beta-definicao\/\">beta<\/a>\u00a0e\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/photon\/gamma-ray\/\">gama<\/a>\u00a0.\u00a0Eles tamb\u00e9m podem ser usados \u200b\u200bpara a\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutron\/detection-neutrons\/\">detec\u00e7\u00e3o de n\u00eautrons<\/a>\u00a0.\u00a0Para esses fins, diferentes cintiladores s\u00e3o usados:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/interaction-radiation-matter\/interaction-heavy-charged-particles\/\"><strong>Part\u00edculas Alfa e \u00cdons Pesados<\/strong><\/a>\u00a0.\u00a0Devido ao alto poder ionizante dos \u00edons pesados, os contadores de cintila\u00e7\u00e3o geralmente n\u00e3o s\u00e3o ideais para a detec\u00e7\u00e3o de \u00edons pesados.\u00a0Para energias iguais, um pr\u00f3ton produzir\u00e1 de 1\/4 a 1\/2 da luz de um el\u00e9tron, enquanto as part\u00edculas alfa produzir\u00e3o apenas cerca de 1\/10 da luz.\u00a0Onde necess\u00e1rio, cristais inorg\u00e2nicos, por exemplo, CsI (Tl), ZnS (Ag) (normalmente usados \u200b\u200bem chapas finas como monitores de part\u00edculas \u03b1), devem ser preferidos aos materiais org\u00e2nicos.\u00a0O CsI puro \u00e9 um material cintilante r\u00e1pido e denso com rendimento de luz relativamente baixo que aumenta significativamente com o resfriamento.\u00a0As desvantagens de CsI s\u00e3o um gradiente de alta temperatura e uma ligeira higroscopicidade.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-arrow\" data-anchor=\"References\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>O iodeto de c\u00e9sio (CsI) na forma cristalina \u00e9 usado como cintilador para a detec\u00e7\u00e3o de pr\u00f3tons e part\u00edculas alfa.\u00a0O CsI puro \u00e9 um material cintilante r\u00e1pido e denso.\u00a0Dosimetria de Radia\u00e7\u00e3o Cristal de cintila\u00e7\u00e3o CsI (Tl).\u00a0Fonte: wikipedia.de Licen\u00e7a: CC BY-SA 3.0 O iodeto de c\u00e9sio (CsI)\u00a0na forma cristalina \u00e9 usado como cintilador para a detec\u00e7\u00e3o &#8230; <a title=\"O que \u00e9 cintilador CsI (Tl) &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-cintilador-csi-tl-definicao\/\" aria-label=\"More on O que \u00e9 cintilador CsI (Tl) &#8211; Defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[51],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 cintilador CsI (Tl) - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"O iodeto de c\u00e9sio (CsI) na forma cristalina \u00e9 usado como cintilador para a detec\u00e7\u00e3o de pr\u00f3tons e part\u00edculas alfa. 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