{"id":532,"date":"2017-06-18T18:12:53","date_gmt":"2017-06-18T22:12:53","guid":{"rendered":"http:\/\/phy.sites.mtu.edu\/yap\/?p=532"},"modified":"2017-06-18T18:12:53","modified_gmt":"2017-06-18T22:12:53","slug":"stable-electron-field-emission-from-pmmacnt-matrices","status":"publish","type":"post","link":"http:\/\/phy.sites.mtu.edu\/yap\/2017\/06\/18\/stable-electron-field-emission-from-pmmacnt-matrices\/","title":{"rendered":"Stable Electron Field Emission from  PMMACNT Matrices"},"content":{"rendered":"<p><a href=\"http:\/\/phy.sites.mtu.edu\/yap\/wp-content\/uploads\/2017\/06\/FE-ACS_Nano2010.pdf\">FE-ACS_Nano2010<\/a><\/p>\n<p>We have created PMMACNT matrices by embedding opened-tip vertically aligned multiwalled<\/p>\n<p>carbon nanotubes (VA-MWCNTs) with poly(methyl methacrylate) (PMMA). These PMMACNT matrices are<\/p>\n<p>excellent electron field emitters with an emission threshold field of 1.675 V\/m, more than 2-fold lower that<\/p>\n<p>that of the as-grown sample. In addition, the emission site density from these matrices is high, merely filling up<\/p>\n<p>the entire sample surface. Emission stability test at 1.35 mA\/cm2 was performed continuously for 40 h with no<\/p>\n<p>significant degradation. On the basis of our theoretical simulation and hypothetical modeling, we attribute these<\/p>\n<p>performances to the reduced screening effect and fewer Joule heatings due to the shorter effective transport<\/p>\n<p>distance of the electrons in MWCNTs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>FE-ACS_Nano2010 We have created PMMACNT matrices by embedding opened-tip vertically aligned multiwalled carbon nanotubes (VA-MWCNTs) with poly(methyl methacrylate) (PMMA). These PMMACNT matrices are excellent electron field emitters with an emission threshold field of 1.675 V\/m, more than 2-fold lower that that of the as-grown sample. In addition, the emission site density from these matrices is [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[77,86,85,98],"tags":[],"class_list":["post-532","post","type-post","status-publish","format-standard","hentry","category-77","category-carbon","category-cnt","category-films"],"_links":{"self":[{"href":"http:\/\/phy.sites.mtu.edu\/yap\/wp-json\/wp\/v2\/posts\/532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/phy.sites.mtu.edu\/yap\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/phy.sites.mtu.edu\/yap\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/phy.sites.mtu.edu\/yap\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/phy.sites.mtu.edu\/yap\/wp-json\/wp\/v2\/comments?post=532"}],"version-history":[{"count":1,"href":"http:\/\/phy.sites.mtu.edu\/yap\/wp-json\/wp\/v2\/posts\/532\/revisions"}],"predecessor-version":[{"id":534,"href":"http:\/\/phy.sites.mtu.edu\/yap\/wp-json\/wp\/v2\/posts\/532\/revisions\/534"}],"wp:attachment":[{"href":"http:\/\/phy.sites.mtu.edu\/yap\/wp-json\/wp\/v2\/media?parent=532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/phy.sites.mtu.edu\/yap\/wp-json\/wp\/v2\/categories?post=532"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/phy.sites.mtu.edu\/yap\/wp-json\/wp\/v2\/tags?post=532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}