NDLI: Investigations of Rayleigh wave hydrogen sensors

Content Provider	IEEE Xplore Digital Library
Author	Cheng Wang Li Fan Shu-yi Zhang Zhe Li Yue-tao Yang
Copyright Year	2008
Description	Author affiliation: Lab. of Modern Acoust., Nanjing Univ., Nanjing (Cheng Wang; Li Fan; Shu-yi Zhang; Zhe Li; Yue-tao Yang)
Abstract	A kind of hydrogen sensors based on Rayleigh wave devices is presented. Generally, the Rayleigh wave devices are covered by a sensitive layer, such as $WO_{3},$ to absorb hydrogen, which can be deposited by Sol-gel method or RF magnetron sputtering method. In the sensing experiment, frequency shift and/or insertion loss variation of the sensors exposed to $H_{2}$ with different concentrations are measured at room temperature. As the sensor is with the operating frequency of 120.5 MHz and insert loss of 26dB, about 64 kHz frequency shift and 1.8 dB insertion loss variation are observed for 2% $H_{2}$ in natural air.
Starting Page	504
Ending Page	508
File Size	1008189
Page Count	5
File Format	PDF
ISBN	9781424428915
DOI	10.1109/SPAWDA.2008.4775840
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-05
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hydrogen Loss measurement Frequency measurement Sputtering Temperature sensors Temperature measurement Radio frequency sensitive layer with tungsten trioxide Magnetic sensors Magnetic devices Insertion loss hydrogen sensors Rayleigh wave
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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