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|Title:||AlGaN/GaN high electron mobility transistors with implanted ohmic contacts|
|Citation:||Wang, H.T., Tan, L.S., Chor, E.F. (2007-03-26). AlGaN/GaN high electron mobility transistors with implanted ohmic contacts. Thin Solid Films 515 (10) : 4476-4479. ScholarBank@NUS Repository. https://doi.org/10.1016/j.tsf.2006.07.133|
|Abstract:||Selective area silicon implantation for source/drain regions was integrated into the fabrication of molecular beam epitaxy-grown AlGaN/GaN HEMTs. Dopant activation was achieved by rapid thermal annealing at 1100 °C in flowing N2 ambient for 120 s with an AlN encapsulation. Linear transmission line measurements showed that the resistance of the overlay Ti/Al/Ni/Au ohmic contacts was reduced by 61% compared to the control sample. After the Schottky Ni/Au gate formation, the typical DC characteristics displayed a higher current drive, smaller knee voltage and better gate control properties for HEMTs with implanted source and drain regions. © 2006 Elsevier B.V. All rights reserved.|
|Source Title:||Thin Solid Films|
|Appears in Collections:||Staff Publications|
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