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論文情報

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アクセス権	open access
URI	https://hdl.handle.net/2115/59551
タイトル	Improvement of a Real Gas-Sensor for the Origin of Methane Selectivity Degradation by mu-XAFS Investigation
著者	Wada, Takahiro ; Murata, Naoyoshi ; Suzuki, Takuya ; Uehara, Hiromitsu ; Nitani, Hiroaki ; Niwa, Yasuhiro ; Uo, Motohiro ; Asakura, Kiyotaka
e-Rad_Researcher 10632317 著者名 Wada, Takahiro
著者名 Murata, Naoyoshi
著者名 Suzuki, Takuya
著者名 Uehara, Hiromitsu
著者名 Nitani, Hiroaki
著者名 Niwa, Yasuhiro
e-Rad_Researcher 20242042 著者名 Uo, Motohiro
e-Rad_Researcher 60175164 著者名 Asakura, Kiyotaka
言語	英語
キーワード	Micro gas sensor
	Micro-XAFS
	Pd/Al2O3
	Deactivation
発行日	2015-07
出版者	Springer
収録物名	Nano-micro letters
巻(号)	7(3)
ページ	255-260
抄録	We have directly investigated the chemical state of the Pd species in a real mu-gas sensor device by examining the mu-fluorescence X-ray absorption fine structure. The mu-gas sensor device was heavily damaged by a heating process in which the temperature was ill-controlled, resulting in decrease of methane selectivity. We found that the PdO in the fresh mu-gas sensor was reduced to Pd metal particles as the methane selectivity decreased. Based on the investigation results, we modified the device structure so as to heat up homogeneously. The lifetime of the sensor was then successfully increased by more than 5 years.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Creative Commons Attribution 2.0 Generic
権利情報	©The Author(s) 2015. This article is published with open access at Springerlink.com
PISSN	2311-6706
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1007/s40820-015-0035-7

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