High K Oxide Insulated Gate Group III Nitride-Based FETs
Abstract
The impact of process conditions on the physical and electrical properties of high-k dielectric oxides on gallium nitride were explored. The efficacies of several cleaning procedures prior to oxide deposition by atomic layer deposition were examined. Overall, the best treatments were those that removed surface carbon with minimal surface roughening. Parameters examined included the oxide composition (AI203, Ti02, and Ga203), the gallium nitride crystallographic orientation (c- and m-plane), and its crystal polarity (Ga- anc N-polar).
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 21, 2014
- Accession Number
- ADA622706
Entities
People
- James H Edgar
Organizations
- Kansas State University