Al0.15Ga0.85N/GaN high electron mobility transistor structures grown on p-type Si substrates

C. T. Liang*, Kuang Yao Chen, N. C. Chen, P. H. Chang, Chin An Chang

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

11 Scopus citations

Abstract

We report on experimental studies of Al0.15Ga 0.85N/GaN high electron mobility transistor (HEMT) structures grown on p-type Si (111) substrates. By introducing an ultrathin SiN layer during the crystal growth, the Hall mobility of the HEMT structure can be greatly enhanced (greater than three times). This SiN treatment technique also allows the observation of Shubnikov-de Haas oscillations which is not possible in the untreated HEMT structure. Our experimental results pave the way for the integration of AlxGa1-xN/GaN HEMT structures with the mature Si technology in industry.

Original languageEnglish
Article number132107
JournalApplied Physics Letters
Volume89
Issue number13
DOIs
StatePublished - 2006

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