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Content Provider | IET Digital Library |
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Author | Zhou, Qi Liu, Li Zhou, Xingye Zhang, Anbang Shi, Yuanyuan Wang, Zeheng Wang, Yuan Gang Fang, Yulong Lv, Yuanjie Feng, Zhihong Zhang, Bo |
Abstract | A zero-bias microwave detector using an AlGaN/GaN-on-Si lateral diode featuring a recessed metal/Al2O3/III-nitride (MIS) gated hybrid anode (MG-HAD) is experimentally demonstrated. The forward turn-on voltage of the MG-HAD is determined by the threshold-voltage of the 2DEG channel beneath the recessed MIS-gate, and thus the nonlinearity of the device at zero bias can be flexibly modulated by gate recessing. The optimal trench depth of the MIS-gate for zero-bias detection was designed and experimentally determined to be ∼23 nm, which enables a high-curvature coefficient of 78 V−1 at zero bias. The first-order voltage sensitivity, β V, is as high as 7.8 mV/μW. To the best of the authors' knowledge, these values are the highest reported for GaN-based zero-bias detectors to date. |
Starting Page | 1889 |
Ending Page | 1891 |
Page Count | 3 |
ISSN | 00135194 |
Volume Number | 51 |
e-ISSN | 1350911X |
Issue Number | Issue 23, Nov (2015) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/51/23 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2015.2885 |
Journal | Electronics Letters |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | 2DEG Channel Al2O3 AlGaN-GaN Aluminium Compound Anode Device Nonlinearity First-order Voltage Sensitivity Gallium Compound Gate Recessing High-sensitivity Zero-bias Microwave Detector III-V SemiConductor Junction And Barrier Diode Lateral Diode MG-HAD Microwave Circuit And Device Microwave Detector Microwave Measurement Technique MIS Device MIS-gated Hybrid Anode Semiconductor Diode Sensing Device And Transducers Sensitivity Analysis Silicon Threshold-voltage Turn-on Voltage Wide Band Gap SemiConductor |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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