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AlN/GaN heterostructures for normally-off transistors

Journal Article · · Semiconductors
; ;  [1]; ;  [2]; ;  [3]; ;  [4];  [5]
  1. Russian Academy of Sciences, Rzhanov Institute of Semiconductor Physics, Siberian Branch (Russian Federation)
  2. Dorodnicyn Computing Centre of the Russian Academy of Sciences (Russian Federation)
  3. National Research University of Electronic Technology (MIET) (Russian Federation)
  4. Joint Stock Company “Svetlana-Electronpribor” (Russian Federation)
  5. Russian Academy of Sciences, Boreskov Institute of Catalysis, Siberian Branch (Russian Federation)
The structure of AlN/GaN heterostructures with an ultrathin AlN barrier is calculated for normally-off transistors. The molecular-beam epitaxy technology of in situ passivated SiN/AlN/GaN heterostructures with a two-dimensional electron gas is developed. Normally-off transistors with a maximum current density of ~1 A/mm, a saturation voltage of 1 V, a transconductance of 350 mS/mm, and a breakdown voltage of more than 60 V are demonstrated. Gate lag and drain lag effects are almost lacking in these transistors.
OSTI ID:
22649601
Journal Information:
Semiconductors, Journal Name: Semiconductors Journal Issue: 3 Vol. 51; ISSN SMICES; ISSN 1063-7826
Country of Publication:
United States
Language:
English

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