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Two-dimensional electron gas (2DEG) IDT SAW devices on AlGaN/GaN heterostructure
Conference paper

Two-dimensional electron gas (2DEG) IDT SAW devices on AlGaN/GaN heterostructure

King-Yuen Wong, Wilson Tang, Kei May Lau and Kevin J. Chen
2007 7th IEEE International Conference on Nanotechnology - IEEE-NANO 2007, Proceedings, pp.1041-1044
2007

Abstract

AlGaN/GaN and fluoride-based plasma treatment Surface acoustic wave Two-dimensional electron gas Electrical and Electronic Engineering Atomic and Molecular Physics and Optics
Surface acoustic wave (SAW) devices using two-dimensional electron gas (2DEG) as interdigital transducers (IDTs) on AlGaN/GaN heterostructure has been demonstrated using a planar isolation technique based on the fluoride-based (CF 4 ) plasma treatment technique. The RF characteristics of the SAW filters with planar 2DEG IDTs are compared with SAW devices that are made of metal IDTs or hybrid metal/2DEG IDTs. © 2007 IEEE.

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