Title

Gateless AlGaN/GaN HEMT response to block co-polymers

Document Type

Conference Proceeding

Publication Date

10-28-2004

Abstract

Gateless AlGaN/GaN high electron mobility transistor(HEMT) structures exhibit large changes in source-drain current upon exposing the gate region to various block co-polymer solutions. The polar nature of some of these polymer chains lead to a change of surface charges in gate region on the HEMT, producing a change in surface potential at the semiconductor/liquid interface. The nitride sensors appear to be promising for a wide range of chemical gas, combustion gas, liquid and strain sensing.

Publication Source (Journal or Book title)

Proceedings - Electrochemical Society

First Page

39

Last Page

45

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