4.6 Article

A sandwich-structured AlGaN/GaN HEMT with broad transconductance and high breakdown voltage

Journal

JOURNAL OF MATERIALS CHEMISTRY C
Volume 7, Issue 39, Pages 12075-12079

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c9tc03718g

Keywords

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Funding

  1. National Key Research and Development Program of China [2018YFB1801900]
  2. National Natural Science Foundation of China [51702102, 51572091, 61704058]
  3. Key Area Research and Development Project of Guangzhou Province [2019B010129001, 2019B010128002]
  4. China Postdoctoral Science Foundation [2017M610523]

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This paper reports a sandwich-structured AlGaN/GaN high electron mobility transistor (HEMT). The design includes a bottom gate, a top field plate and an AlN dielectric layer, which realized broad transconductance (gate voltage operating between -3 V to 3 V) and high off-state breakdown voltage (620 V @ V-G = -10 V) simultaneously. The device shows great potential in the application of high-power electronics with good linear characteristics.

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