{"id":18449,"date":"2024-12-05T09:30:44","date_gmt":"2024-12-05T12:30:44","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=18449"},"modified":"2024-12-05T09:30:50","modified_gmt":"2024-12-05T12:30:50","slug":"emissao-eletronica","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/emissao-eletronica\/","title":{"rendered":"Emiss\u00e3o eletr\u00f4nica"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Emiss&#xE3;o Eletr&#xF4;nica<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A emiss&#xE3;o eletr&#xF4;nica ocorre quando el&#xE9;trons s&#xE3;o liberados da superf&#xED;cie de um material devido &#xE0; aplica&#xE7;&#xE3;o de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b8619216dd0506d51ad0093ac9f798ab\" data-link=\"https:\/\/hangarmma.com.br\/blog\/energia-2\/\" href=\"https:\/\/hangarmma.com.br\/blog\/energia-2\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">energia<\/a>. Esse fen&#xF4;meno est&#xE1; relacionado ao comportamento dos el&#xE9;trons em materiais <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_464a930dfff51c2d18875da4b94a5581\" data-link=\"https:\/\/hangarmma.com.br\/blog\/condutores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/condutores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">condutores<\/a> ou <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_40d6bdd1f492047a85e75c09097eff1b\" data-link=\"https:\/\/hangarmma.com.br\/blog\/semicondutores\/\" href=\"https:\/\/hangarmma.com.br\/blog\/semicondutores\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">semicondutores<\/a>, que podem ser estimulados a escapar da <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b11d6c8de905dbba57a69260b4366eb4\" data-link=\"https:\/\/hangarmma.com.br\/blog\/atracao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/atracao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">atra&#xE7;&#xE3;o<\/a> do n&#xFA;cleo at&#xF4;mico quando recebem <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b8619216dd0506d51ad0093ac9f798ab\" data-link=\"https:\/\/hangarmma.com.br\/blog\/energia-2\/\" href=\"https:\/\/hangarmma.com.br\/blog\/energia-2\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">energia<\/a> suficiente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No caso descrito, a liberta&ccedil;&atilde;o de el&eacute;trons &eacute; geralmente provocada por <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_fba6d7bf5c0847a6c0bdeb5ecd4f09ba\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/calor\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/calor\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>calor<\/a>, um processo chamado emiss&atilde;o termi&ocirc;nica. Quando um material &eacute; aquecido, os &aacute;tomos vibram mais intensamente, e os el&eacute;trons, que s&atilde;o as part&iacute;culas carregadas negativamente, ganham <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_ef3f56bd9fc72a2e0e80a2e2746de043\" data-link=\"https:\/\/hangarmma.com.br\/blog\/energia-cinetica\/\" href=\"https:\/\/hangarmma.com.br\/blog\/energia-cinetica\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">energia cin&#xE9;tica<\/a>. Se a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b8619216dd0506d51ad0093ac9f798ab\" data-link=\"https:\/\/hangarmma.com.br\/blog\/energia-2\/\" href=\"https:\/\/hangarmma.com.br\/blog\/energia-2\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">energia<\/a> recebida pelos el&#xE9;trons supera a barreira de potencial do material (tamb&#xE9;m conhecida como fun&#xE7;&#xE3;o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_e410587e176283e4543b23736ebf5478\" data-link=\"https:\/\/hangarmma.com.br\/blog\/trabalho-work\/\" href=\"https:\/\/hangarmma.com.br\/blog\/trabalho-work\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">trabalho<\/a>), eles s&#xE3;o liberados da superf&#xED;cie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esse princ&#xED;pio &#xE9; amplamente utilizado em v&#xE1;lvulas termi&#xF4;nicas, tubos de v&#xE1;cuo, e at&#xE9; em sistemas de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_c277529973400265ccf44f681ff83c0a\" data-link=\"https:\/\/hangarmma.com.br\/blog\/ignicao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/ignicao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">igni&#xE7;&#xE3;o<\/a> em motores a rea&#xE7;&#xE3;o ou sensores de alta <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_3d8e465bb0e985f529caea3d77f570c9\" data-link=\"https:\/\/hangarmma.com.br\/blog\/sensibilidade-2\/\" href=\"https:\/\/hangarmma.com.br\/blog\/sensibilidade-2\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">sensibilidade<\/a> em sistemas de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_9dcfa9492af8b60df93f046f1fdd1794\" data-link=\"https:\/\/hangarmma.com.br\/blog\/avionica\/\" href=\"https:\/\/hangarmma.com.br\/blog\/avionica\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">avi&#xF4;nica<\/a>. A efici&#xEA;ncia da emiss&#xE3;o eletr&#xF4;nica depende do material utilizado e da <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_d24adcde90e488bb88458b096212a94d\" data-link=\"https:\/\/hangarmma.com.br\/blog\/temperatura\/\" href=\"https:\/\/hangarmma.com.br\/blog\/temperatura\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">temperatura<\/a> aplicada. Materiais com baixa fun&#xE7;&#xE3;o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_e410587e176283e4543b23736ebf5478\" data-link=\"https:\/\/hangarmma.com.br\/blog\/trabalho-work\/\" href=\"https:\/\/hangarmma.com.br\/blog\/trabalho-work\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">trabalho<\/a>, como &#xF3;xidos met&#xE1;licos, s&#xE3;o frequentemente empregados para maximizar a emiss&#xE3;o com menor gasto energ&#xE9;tico.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Emiss\u00e3o Eletr\u00f4nica A emiss\u00e3o eletr\u00f4nica ocorre quando el\u00e9trons s\u00e3o liberados da superf\u00edcie de um material devido \u00e0 aplica\u00e7\u00e3o de energia. Esse fen\u00f4meno est\u00e1 relacionado ao comportamento dos el\u00e9trons em materiais condutores ou semicondutores, que podem ser estimulados a escapar da atra\u00e7\u00e3o do n\u00facleo at\u00f4mico quando recebem energia suficiente. No caso descrito, a liberta\u00e7\u00e3o de el\u00e9trons [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-18449","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Emiss\u00e3o eletr\u00f4nica - HANGAR MMA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hangarmma.com.br\/blog\/emissao-eletronica\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Emiss\u00e3o eletr\u00f4nica - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"Emiss\u00e3o Eletr\u00f4nica A emiss\u00e3o eletr\u00f4nica ocorre quando el\u00e9trons s\u00e3o liberados da superf\u00edcie de um material devido \u00e0 aplica\u00e7\u00e3o de energia. 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