Proton irradiation effects on the time-dependent dielectric breakdown characteristics of normally-off AlGaN/GaN gate-recessed metal-insulator-semiconductor heterostructure field effect transistors
DC Field | Value | Language |
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dc.contributor.author | Keum, Dongmin | - |
dc.contributor.author | D. | - |
dc.contributor.author | Kim, Hyungtak | - |
dc.contributor.author | H. | - |
dc.date.available | 2021-03-17T08:01:35Z | - |
dc.date.created | 2021-02-26 | - |
dc.date.issued | 2019 | - |
dc.identifier.issn | 2072-666X | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/12824 | - |
dc.description.abstract | In this work, we investigated the time-dependent dielectric breakdown (TDDB) characteristics of normally-off AlGaN/GaN gate-recessed metal-insulator-semiconductor (MIS) heterostructure field effect transistors (HFETs) submitted to proton irradiation. TDDB characteristics of normally-off AlGaN/GaN gate-recessed MISHFETs exhibited a gate voltage (VGS) dependence as expected and showed negligible degradation even after proton irradiation. However, a capture emission time (CET) map and cathodoluminescence (CL) measurements revealed that the MIS structure was degraded with increasing trap states. A technology computer aided design (TCAD) simulation indicated the decrease of the vertical field beneath the gate due to the increase of the trap concentration. Negligible degradation of TDDB can be attributed to this mitigation of the vertical field by proton irradiation. © 2019 by the authors. | - |
dc.publisher | MDPI AG | - |
dc.title | Proton irradiation effects on the time-dependent dielectric breakdown characteristics of normally-off AlGaN/GaN gate-recessed metal-insulator-semiconductor heterostructure field effect transistors | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Kim, Hyungtak | - |
dc.identifier.doi | 10.3390/mi10110723 | - |
dc.identifier.scopusid | 2-s2.0-85075575558 | - |
dc.identifier.bibliographicCitation | Micromachines, v.10, no.11 | - |
dc.relation.isPartOf | Micromachines | - |
dc.citation.title | Micromachines | - |
dc.citation.volume | 10 | - |
dc.citation.number | 11 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordAuthor | AlGaN/GaN | - |
dc.subject.keywordAuthor | Normally off | - |
dc.subject.keywordAuthor | Proton irradiation | - |
dc.subject.keywordAuthor | Reliability | - |
dc.subject.keywordAuthor | Time-dependent dielectric breakdown (TDDB) | - |
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