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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jiechen Wu Xiaoxing Lu Shenglin Ye Jinhee Park Streit, D. |
| Copyright Year | 2014 |
| Description | Author affiliation: Dept. of Mater. Sci. & Eng., Univ. of California, Los Angeles, Los Angeles, CA, USA (Jiechen Wu; Xiaoxing Lu; Shenglin Ye; Jinhee Park; Streit, D.) |
| Abstract | We present here a comprehensive electrical characterization and reliability analysis of $Al_{2}O_{3}/AlGaN/GaN$ metal insulator semiconductor heterostructure (MISH). MISH capacitors with atomic-layer-deposited $Al_{2}O_{3}$ dielectrics were characterized using capacitance-voltage (C-V), current-voltage (I-V), constant-current stress and time dependent dielectric breakdown (TDDB) measurements. The experimental results show that 1) a mid-level density of interface states exist at the $Al_{2}O_{3}/AlGaN$ interface; 2) Poole-Frenkel emission (PFE) and trap-assisted tunneling (TAT) dominate current transport in the medium and high oxide field, respectively; 3) gate voltage drops due to hole trap generation in the oxide under high constant-current stress; 4) a Weibull slope of 2.87 for $Al_{2}O_{3}$ dielectric is extracted from TDDB test. |
| File Size | 335741 |
| File Format | |
| ISBN | 9781479933174 |
| ISSN | 19381891 |
| DOI | 10.1109/IRPS.2014.6861129 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-06-01 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Aluminum gallium nitride Gallium nitride Logic gates Capacitance-voltage characteristics Aluminum oxide Reliability Dielectrics interface states and tunneling mechanisms GaN MISH capacitors dielectric breakdown reliability |
| Content Type | Text |
| Resource Type | Article |
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