{"id":309339,"date":"2023-09-28T20:15:38","date_gmt":"2023-09-28T20:15:38","guid":{"rendered":"\/forum\/forums\/topic\/fowler-nordheim-tunneling-from-silicon-to-vacuum\/"},"modified":"2023-09-28T20:15:38","modified_gmt":"2023-09-28T20:15:38","slug":"fowler-nordheim-tunneling-from-silicon-to-vacuum","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fowler-nordheim-tunneling-from-silicon-to-vacuum\/","title":{"rendered":"Fowler Nordheim tunneling from silicon to vacuum"},"content":{"rendered":"<p>I am modeling light-assisted e-hole pair generation in silicon using ANSYS LUMECIAL and calculating emission current from the silicon utilizing a high voltage source in ANSYS Charge. There is a vacuum between the silicon and the high-voltage source. Here, I expect Fowler Nordheim type tunneling of electrons from the silicon surface to the Anode of the high-voltage source. My questions are:<br \/>1. Can Ansys Charge calculate field emission due to Fowler Nordheim type tunneling?<br \/>2. What is the best material to model Vacuum in the simulation region of Ansys Charge? Should I use an insulator or a semiconductor? What should be the material properties of the&nbsp; insulator or semiconductor to model Vacuum?<\/p>\n","protected":false},"template":"","class_list":["post-309339","topic","type-topic","status-closed","hentry","topic-tag-AnsysMaxwellelectronics-1","topic-tag-hvac","topic-tag-LumericalCHARGE-1","topic-tag-vacuum-2"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I am modeling light-assisted e-hole pair generation in silicon using ANSYS LUMECIAL and calculating emission current from the silicon utilizing a high voltage source in ANSYS Charge. There is a vacuum between the silicon and the high-voltage source. Here, I expect Fowler Nordheim type tunneling of electrons from the silicon surface to the Anode of\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fowler-nordheim-tunneling-from-silicon-to-vacuum\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Fowler Nordheim tunneling from silicon to vacuum | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I am modeling light-assisted e-hole pair generation in silicon using ANSYS LUMECIAL and calculating emission current from the silicon utilizing a high voltage source in ANSYS Charge. There is a vacuum between the silicon and the high-voltage source. Here, I expect Fowler Nordheim type tunneling of electrons from the silicon surface to the Anode of\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fowler-nordheim-tunneling-from-silicon-to-vacuum\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-09-28T20:15:38+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-09-28T20:15:38+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Fowler Nordheim tunneling from silicon to vacuum | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I am modeling light-assisted e-hole pair generation in silicon using ANSYS LUMECIAL and calculating emission current from the silicon utilizing a high voltage source in ANSYS Charge. There is a vacuum between the silicon and the high-voltage source. Here, I expect Fowler Nordheim type tunneling of electrons from the silicon surface to the Anode of\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/fowler-nordheim-tunneling-from-silicon-to-vacuum\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/hvac\\\/#listItem\",\"name\":\"hvac\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/hvac\\\/#listItem\",\"position\":3,\"name\":\"hvac\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/hvac\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/fowler-nordheim-tunneling-from-silicon-to-vacuum\\\/#listItem\",\"name\":\"Fowler Nordheim tunneling from silicon to vacuum\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/fowler-nordheim-tunneling-from-silicon-to-vacuum\\\/#listItem\",\"position\":4,\"name\":\"Fowler Nordheim tunneling from silicon to vacuum\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/hvac\\\/#listItem\",\"name\":\"hvac\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/fowler-nordheim-tunneling-from-silicon-to-vacuum\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/fowler-nordheim-tunneling-from-silicon-to-vacuum\\\/\",\"name\":\"Fowler Nordheim tunneling from silicon to vacuum | Ansys Learning Forum\",\"description\":\"I am modeling light-assisted e-hole pair generation in silicon using ANSYS LUMECIAL and calculating emission current from the silicon utilizing a high voltage source in ANSYS Charge. 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