Using magnetic structure of Co40Pd60/Cu for the sensing of hydrogen
This paper reports on a magnetic device with a [Co40Pd60/Cu]10/Fe structure for use in the detection of H2. In a magneto-optical, transport, and gas-detection system, the proposed device presented sharp, reproducible H2-dependent magnetic/electrical properties. The device's saturation magnetiza...
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| Veröffentlicht in: | Applied physics letters 2017-07, Vol.111 (2) |
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| container_title | Applied physics letters |
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| creator | Liang, Jaw-Yeu Pai, Yun-Chieh Lam, Tu-Ngoc Lin, Wen-Chin Chan, Ting-Shan Lai, Chih-Huang Tseng, Yuan-Chieh |
| description | This paper reports on a magnetic device with a [Co40Pd60/Cu]10/Fe structure for use in the detection of H2. In a magneto-optical, transport, and gas-detection system, the proposed device presented sharp, reproducible H2-dependent magnetic/electrical properties. The device's saturation magnetization (induced resistance change) dropped (increased) by a factor of ∼5 when a H2 pressure of 75 kPa is given. Besides, the electrical signal-to-noise ratio of the device can be restored ∼50% by exposing it to a magnetic field of 1000 Oe, even when the sensitivity of the device dropped at a low H2 pressure (0.7 KPa). This demonstrates the applicability of the device for use as a low-pressure H2 detector. Operando x-ray spectroscopy revealed that changes in H2-induced magnetism arose from a Co-Pd charge transfer effect coupled to changes in the local-structure symmetry. |
| doi_str_mv | 10.1063/1.4993158 |
| format | Article |
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In a magneto-optical, transport, and gas-detection system, the proposed device presented sharp, reproducible H2-dependent magnetic/electrical properties. The device's saturation magnetization (induced resistance change) dropped (increased) by a factor of ∼5 when a H2 pressure of 75 kPa is given. Besides, the electrical signal-to-noise ratio of the device can be restored ∼50% by exposing it to a magnetic field of 1000 Oe, even when the sensitivity of the device dropped at a low H2 pressure (0.7 KPa). This demonstrates the applicability of the device for use as a low-pressure H2 detector. Operando x-ray spectroscopy revealed that changes in H2-induced magnetism arose from a Co-Pd charge transfer effect coupled to changes in the local-structure symmetry.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4993158</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Charge transfer ; Cobalt ; Copper ; Electrical properties ; Magnetic devices ; Magnetic properties ; Magnetic saturation ; Magnetic structure ; Magnetism</subject><ispartof>Applied physics letters, 2017-07, Vol.111 (2)</ispartof><rights>Author(s)</rights><rights>2017 Author(s). 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In a magneto-optical, transport, and gas-detection system, the proposed device presented sharp, reproducible H2-dependent magnetic/electrical properties. The device's saturation magnetization (induced resistance change) dropped (increased) by a factor of ∼5 when a H2 pressure of 75 kPa is given. Besides, the electrical signal-to-noise ratio of the device can be restored ∼50% by exposing it to a magnetic field of 1000 Oe, even when the sensitivity of the device dropped at a low H2 pressure (0.7 KPa). This demonstrates the applicability of the device for use as a low-pressure H2 detector. Operando x-ray spectroscopy revealed that changes in H2-induced magnetism arose from a Co-Pd charge transfer effect coupled to changes in the local-structure symmetry.</description><subject>Applied physics</subject><subject>Charge transfer</subject><subject>Cobalt</subject><subject>Copper</subject><subject>Electrical properties</subject><subject>Magnetic devices</subject><subject>Magnetic properties</subject><subject>Magnetic saturation</subject><subject>Magnetic structure</subject><subject>Magnetism</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp90M1KAzEQAOAgCtbqwTdY8KSwbWYnyWaPslgVCnqw5xCzSbvFbmqSFfr2rrboQfA0DPPND0PIJdAJUIFTmLCqQuDyiIyAlmWOAPKYjCilmIuKwyk5i3E9pLxAHJF6EdtumW30srOpNVlMoTepDzbzLqs9o8-NoNO6z5wPWVrZLNruu2Mor3ZN8EvbnZMTp9-ivTjEMVnM7l7qh3z-dP9Y385zgxWmHGXDDGVGSC255mApB9GUVrCyKSx7RURdMke5dNg4NBq1KKRjjQNboOA4Jlf7udvg33sbk1r7PnTDSlUACKAFK8tBXe-VCT7GYJ3ahnajw04BVV8_UqAOPxrszd5G0yadWt_94A8ffqHaDgf9g_9O_gTFoHLC</recordid><startdate>20170710</startdate><enddate>20170710</enddate><creator>Liang, Jaw-Yeu</creator><creator>Pai, Yun-Chieh</creator><creator>Lam, Tu-Ngoc</creator><creator>Lin, Wen-Chin</creator><creator>Chan, Ting-Shan</creator><creator>Lai, Chih-Huang</creator><creator>Tseng, Yuan-Chieh</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20170710</creationdate><title>Using magnetic structure of Co40Pd60/Cu for the sensing of hydrogen</title><author>Liang, Jaw-Yeu ; Pai, Yun-Chieh ; Lam, Tu-Ngoc ; Lin, Wen-Chin ; Chan, Ting-Shan ; Lai, Chih-Huang ; Tseng, Yuan-Chieh</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-38d4c04c68a85a51e0516d7e647d2e4b333a74f058f3df3ca3a628f4df1e23653</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Applied physics</topic><topic>Charge transfer</topic><topic>Cobalt</topic><topic>Copper</topic><topic>Electrical properties</topic><topic>Magnetic devices</topic><topic>Magnetic properties</topic><topic>Magnetic saturation</topic><topic>Magnetic structure</topic><topic>Magnetism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liang, Jaw-Yeu</creatorcontrib><creatorcontrib>Pai, Yun-Chieh</creatorcontrib><creatorcontrib>Lam, Tu-Ngoc</creatorcontrib><creatorcontrib>Lin, Wen-Chin</creatorcontrib><creatorcontrib>Chan, Ting-Shan</creatorcontrib><creatorcontrib>Lai, Chih-Huang</creatorcontrib><creatorcontrib>Tseng, Yuan-Chieh</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liang, Jaw-Yeu</au><au>Pai, Yun-Chieh</au><au>Lam, Tu-Ngoc</au><au>Lin, Wen-Chin</au><au>Chan, Ting-Shan</au><au>Lai, Chih-Huang</au><au>Tseng, Yuan-Chieh</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Using magnetic structure of Co40Pd60/Cu for the sensing of hydrogen</atitle><jtitle>Applied physics letters</jtitle><date>2017-07-10</date><risdate>2017</risdate><volume>111</volume><issue>2</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>This paper reports on a magnetic device with a [Co40Pd60/Cu]10/Fe structure for use in the detection of H2. In a magneto-optical, transport, and gas-detection system, the proposed device presented sharp, reproducible H2-dependent magnetic/electrical properties. The device's saturation magnetization (induced resistance change) dropped (increased) by a factor of ∼5 when a H2 pressure of 75 kPa is given. Besides, the electrical signal-to-noise ratio of the device can be restored ∼50% by exposing it to a magnetic field of 1000 Oe, even when the sensitivity of the device dropped at a low H2 pressure (0.7 KPa). This demonstrates the applicability of the device for use as a low-pressure H2 detector. Operando x-ray spectroscopy revealed that changes in H2-induced magnetism arose from a Co-Pd charge transfer effect coupled to changes in the local-structure symmetry.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4993158</doi><tpages>5</tpages></addata></record> |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Charge transfer Cobalt Copper Electrical properties Magnetic devices Magnetic properties Magnetic saturation Magnetic structure Magnetism |
| title | Using magnetic structure of Co40Pd60/Cu for the sensing of hydrogen |
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