{"id":310344,"date":"2023-10-06T09:29:21","date_gmt":"2023-10-06T09:29:21","guid":{"rendered":"\/forum\/forums\/topic\/no-active-semiconductor-materials-were-found-in-the-simulation-region\/"},"modified":"2023-10-06T09:29:21","modified_gmt":"2023-10-06T09:29:21","slug":"no-active-semiconductor-materials-were-found-in-the-simulation-region","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/no-active-semiconductor-materials-were-found-in-the-simulation-region\/","title":{"rendered":"No active (semiconductor) materials were found in the simulation region"},"content":{"rendered":"<p>Hello,<\/p>\n<p>&nbsp;<\/p>\n<p>I&#8217;m currently running CHARGE, and starting from the scratch.<\/p>\n<p>I made a layer as below, to see if I can simulate charge transfer via electron tunneling under bias:<\/p>\n<p>ohmic metal contact (top) &#8212; three insulator layers (midde) &#8212; p-Si (below insulator layers) &#8212; ohmic metal contact (bottom)<\/p>\n<p>I applied negative single-sweep type bias(i.e., fixed negative bias) at top metal contact, and applied GND at bottom metal contact(i.e., fixed 0V bias), as boundary condition.&nbsp;<\/p>\n<p>After running Charge monitor, I got some errors, including &#8220;no active (semiconductor) materials were found in the simulation region&#8221;, although I have p-type Si and it is defined as &#8216;semiconductor&#8217; in materials tree.&nbsp;<\/p>\n<p>Which parameters should I fix?&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2023\/10\/06-10-2023-1696584551-aaa.PNG\" alt=\"\"><\/p>\n<p>Thanks,<\/p>\n<p>Sungmin<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"template":"","class_list":["post-310344","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["27378","2592"],"_bbp_author_ip":["23.47.58.68"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["588"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["310344"],"_bbp_forum_id":["27833"],"_bbp_engagement":["2592","27378"],"_bbp_voice_count":["2"],"_bbp_reply_count":["4"],"_bbp_last_reply_id":["310885"],"_bbp_last_active_id":["310885"],"_bbp_last_active_time":["2023-10-10 15:32:33"]},"test":"sungmin-yoonkaist-ac-kr"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/310344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/310344\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=310344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}