Structural and electrochemical properties of anodic aluminum oxide based electrolyte-insulator-metal device according to the heat treatment

다국어 초록 (Multilingual Abstract)

In this study, we fabricated the electrolyte-insulator-metal sensor on the base of Si3N4 film-coated AAO template with variationof the heat treatment time. The structural and electrochemical properties of AAO sensor were investigated for applicationsin chemical sensors. Si3N4 layer was uniformly coated with the thickness of about 10 nm. Alumina layer, heat-treated for 10h, crystallized from the amorphous phase to crystalline phase of γ-Al2O3, and the spacing of lattice plane of the oxide layerwas about 2.638 Å. The AAO sensor heat-treated for 10 h showed the good normalized C-V properties, and the set values ofthe capacitance and the pH sensitivity were −0.3 V and 54.1 mV/pH, respectively

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