Investigation of PD-CU-SI metallic glass film for hysterisis-free and fast response capacitive mems hydrogen sensors

Yumi Hayashi, Hiroaki Yamazaki, Daiki Ono, Kei Masunishi, Tamio Ikehashi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We show that PdCuSi metallic glass (MG) is a promising material for Pd-based capacitive MEMS hydrogen sensors, reducing both hysteresis and response time of the sensing operation. Firstly, we demonstrate that the fabricated PdCuSi MG film exhibits no hysteresis during hydrogen absorption and desorption. Drastic reduction of the response time is also shown. We also show that, to eliminate the hysteresis and to reduce the response time, PuCuSi needs to be MG, not microcrystal. Secondly, based on the measured strain property, we show that the capacitive sensing scheme has advantage in sensing low concentration hydrogens.

Original languageEnglish
Title of host publicationTRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages311-314
Number of pages4
ISBN (Electronic)9781538627310
DOIs
Publication statusPublished - 2017 Jul 26
Externally publishedYes
Event19th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2017 - Kaohsiung, Taiwan, Province of China
Duration: 2017 Jun 182017 Jun 22

Publication series

NameTRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems

Other

Other19th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2017
CountryTaiwan, Province of China
CityKaohsiung
Period17/6/1817/6/22

Keywords

  • Hydrogen sensor
  • MEMS
  • Metallic glass
  • PdCuSi
  • Strain

ASJC Scopus subject areas

  • Chemical Health and Safety
  • Instrumentation
  • Electrical and Electronic Engineering

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  • Cite this

    Hayashi, Y., Yamazaki, H., Ono, D., Masunishi, K., & Ikehashi, T. (2017). Investigation of PD-CU-SI metallic glass film for hysterisis-free and fast response capacitive mems hydrogen sensors. In TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems (pp. 311-314). [7994051] (TRANSDUCERS 2017 - 19th International Conference on Solid-State Sensors, Actuators and Microsystems). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/TRANSDUCERS.2017.7994051