Three-terminal-controlled resistor-type hydrogen sensor

C. W. Hung; H. L. Lin; Y. Y. Tsai; P. H. Lai; S. I. Fu; Huey-Ing Chen; Wen-Chau Liu

doi:10.1049/el:20060529

Three-terminal-controlled resistor-type hydrogen sensor

C. W. Hung, H. L. Lin, Y. Y. Tsai, P. H. Lai, S. I. Fu, Huey-Ing Chen, Wen-Chau Liu

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

A novel and interesting three-terminal-controlled active resistor-type hydrogen sensor, based on good properties in the linear region of an AlGaAs-based pseudomorphic high electron mobility transistor in combination with the catalytic Pd metal, is demonstrated. The experimental results show that the gate-source voltage V_GS exhibits significant influence on the hydrogen-sensing properties, including resistance sensitivity, detection limit of hydrogen concentration, conductance variation, current variation and dynamic response. Consequently, under an appropriate applied V_GS bias, a smart active resistor-type hydrogen sensor can be achieved.

Original language	English
Pages (from-to)	578-580
Number of pages	3
Journal	Electronics Letters
Volume	42
Issue number	10
DOIs	https://doi.org/10.1049/el:20060529
Publication status	Published - 2006 May 24

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

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10.1049/el:20060529

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Hung, C. W., Lin, H. L., Tsai, Y. Y., Lai, P. H., Fu, S. I., Chen, H-I., & Liu, W-C. (2006). Three-terminal-controlled resistor-type hydrogen sensor. Electronics Letters, 42(10), 578-580. https://doi.org/10.1049/el:20060529

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AU - Fu, S. I.

AU - Chen, Huey-Ing

AU - Liu, Wen-Chau

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