Load characteristics of magnetization-dependent transverse thermoelectric generation in GdFeCo ferrimagnetic alloy thin films
We evaluated the thermoelectric voltage and electric power induced by the transverse and longitudinal thermoelectric generation, along with their load resistance characteristics, by measuring the load voltage in remanent magnetization states of a perpendicularly magnetized GdFeCo ferrimagnetic alloy...
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| Veröffentlicht in: | Japanese Journal of Applied Physics 2024-09, Vol.63 (9), p.9 |
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| container_title | Japanese Journal of Applied Physics |
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| creator | Kobayashi, Yuki Kasatani, Yuichi Yoshikawa, Hiroki Tsukamoto, Arata |
| description | We evaluated the thermoelectric voltage and electric power induced by the transverse and longitudinal thermoelectric generation, along with their load resistance characteristics, by measuring the load voltage in remanent magnetization states of a perpendicularly magnetized GdFeCo ferrimagnetic alloy thin film. Various load resistances were connected transversely and longitudinally to the temperature gradient. Our results showed that the load voltage induced by thermoelectric generation varied with load resistance. Additionally, the sign of the transverse load voltage reversed with the reversal of magnetization. The electric power generated thermoelectrically exhibited load dependency, reaching a local maximum. These behaviors can be qualitatively explained by the load characteristics of the power supply circuit, where polarity changes with the direction of remanent magnetization. In conclusion, we demonstrated the extraction of electric power via thermoelectric generation in a GdFeCo ferrimagnetic thin film. These observations suggest that using magnetic materials can provide new functionality for thermoelectric generators. |
| doi_str_mv | 10.35848/1347-4065/ad773c |
| format | Article |
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Various load resistances were connected transversely and longitudinally to the temperature gradient. Our results showed that the load voltage induced by thermoelectric generation varied with load resistance. Additionally, the sign of the transverse load voltage reversed with the reversal of magnetization. The electric power generated thermoelectrically exhibited load dependency, reaching a local maximum. These behaviors can be qualitatively explained by the load characteristics of the power supply circuit, where polarity changes with the direction of remanent magnetization. In conclusion, we demonstrated the extraction of electric power via thermoelectric generation in a GdFeCo ferrimagnetic thin film. These observations suggest that using magnetic materials can provide new functionality for thermoelectric generators.</description><identifier>ISSN: 0021-4922</identifier><identifier>EISSN: 1347-4065</identifier><identifier>DOI: 10.35848/1347-4065/ad773c</identifier><identifier>CODEN: JJAPB6</identifier><language>eng</language><publisher>Tokyo: IOP Publishing</publisher><subject>anomalous Nernst effect ; Electric potential ; Electric power supplies ; Electrical loads ; Electrical resistance ; Ferrimagnetic materials ; ferrimagnetic thin film ; GdFeCo ; Load resistance ; Magnetic materials ; Magnetization ; Power supply circuits ; Temperature dependence ; thermoelectric generation ; Thermoelectric generators ; Thermoelectric materials ; Thermoelectric power generation ; Thin films ; Transverse loads ; Voltage</subject><ispartof>Japanese Journal of Applied Physics, 2024-09, Vol.63 (9), p.9</ispartof><rights>2024 The Japan Society of Applied Physics. All rights, including for text and data mining, AI training, and similar technologies, are reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c193t-717ab613b6ad6bdd127ac900fc8a1789669d960a4e85f4df9b32ee2c30b1fe413</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.35848/1347-4065/ad773c/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,776,780,27903,27904,53824,53871</link.rule.ids></links><search><creatorcontrib>Kobayashi, Yuki</creatorcontrib><creatorcontrib>Kasatani, Yuichi</creatorcontrib><creatorcontrib>Yoshikawa, Hiroki</creatorcontrib><creatorcontrib>Tsukamoto, Arata</creatorcontrib><title>Load characteristics of magnetization-dependent transverse thermoelectric generation in GdFeCo ferrimagnetic alloy thin films</title><title>Japanese Journal of Applied Physics</title><addtitle>Jpn. J. Appl. Phys</addtitle><description>We evaluated the thermoelectric voltage and electric power induced by the transverse and longitudinal thermoelectric generation, along with their load resistance characteristics, by measuring the load voltage in remanent magnetization states of a perpendicularly magnetized GdFeCo ferrimagnetic alloy thin film. Various load resistances were connected transversely and longitudinally to the temperature gradient. Our results showed that the load voltage induced by thermoelectric generation varied with load resistance. Additionally, the sign of the transverse load voltage reversed with the reversal of magnetization. The electric power generated thermoelectrically exhibited load dependency, reaching a local maximum. These behaviors can be qualitatively explained by the load characteristics of the power supply circuit, where polarity changes with the direction of remanent magnetization. In conclusion, we demonstrated the extraction of electric power via thermoelectric generation in a GdFeCo ferrimagnetic thin film. These observations suggest that using magnetic materials can provide new functionality for thermoelectric generators.</description><subject>anomalous Nernst effect</subject><subject>Electric potential</subject><subject>Electric power supplies</subject><subject>Electrical loads</subject><subject>Electrical resistance</subject><subject>Ferrimagnetic materials</subject><subject>ferrimagnetic thin film</subject><subject>GdFeCo</subject><subject>Load resistance</subject><subject>Magnetic materials</subject><subject>Magnetization</subject><subject>Power supply circuits</subject><subject>Temperature dependence</subject><subject>thermoelectric generation</subject><subject>Thermoelectric generators</subject><subject>Thermoelectric materials</subject><subject>Thermoelectric power generation</subject><subject>Thin films</subject><subject>Transverse loads</subject><subject>Voltage</subject><issn>0021-4922</issn><issn>1347-4065</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp1kE1LAzEQhoMoWD9-gLeA57X52M-jFFuFghc9h2wyaVO2yZqkQgX_u9tu0ZOnYWbe953hQeiOkgde1Hk9pTyvspyUxVTqquLqDE1-R-doQgijWd4wdomuYtwMbVnkdIK-l15qrNYySJUg2JisitgbvJUrB8l-yWS9yzT04DS4hFOQLn5CiIDTGsLWQwcqBavwChyEoxxbhxd6DjOPDYRgT1kKy67z-8E37I3ttvEGXRjZRbg91Wv0Pn96mz1ny9fFy-xxmSna8JRVtJJtSXlbSl22WlNWSdUQYlQtaVU3ZdnopiQyh7owuTZNyxkAU5y01EBO-TW6H3P74D92EJPY-F1ww0nBKeWUMVY1g4qOKhV8jAGM6A-_h72gRBwpiwNScUAqRsqDJxs91vd_of_rfwD4GoF_</recordid><startdate>20240902</startdate><enddate>20240902</enddate><creator>Kobayashi, Yuki</creator><creator>Kasatani, Yuichi</creator><creator>Yoshikawa, Hiroki</creator><creator>Tsukamoto, Arata</creator><general>IOP Publishing</general><general>Japanese Journal of Applied Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20240902</creationdate><title>Load characteristics of magnetization-dependent transverse thermoelectric generation in GdFeCo ferrimagnetic alloy thin films</title><author>Kobayashi, Yuki ; Kasatani, Yuichi ; Yoshikawa, Hiroki ; Tsukamoto, Arata</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c193t-717ab613b6ad6bdd127ac900fc8a1789669d960a4e85f4df9b32ee2c30b1fe413</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>anomalous Nernst effect</topic><topic>Electric potential</topic><topic>Electric power supplies</topic><topic>Electrical loads</topic><topic>Electrical resistance</topic><topic>Ferrimagnetic materials</topic><topic>ferrimagnetic thin film</topic><topic>GdFeCo</topic><topic>Load resistance</topic><topic>Magnetic materials</topic><topic>Magnetization</topic><topic>Power supply circuits</topic><topic>Temperature dependence</topic><topic>thermoelectric generation</topic><topic>Thermoelectric generators</topic><topic>Thermoelectric materials</topic><topic>Thermoelectric power generation</topic><topic>Thin films</topic><topic>Transverse loads</topic><topic>Voltage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kobayashi, Yuki</creatorcontrib><creatorcontrib>Kasatani, Yuichi</creatorcontrib><creatorcontrib>Yoshikawa, Hiroki</creatorcontrib><creatorcontrib>Tsukamoto, Arata</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Japanese Journal of Applied Physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kobayashi, Yuki</au><au>Kasatani, Yuichi</au><au>Yoshikawa, Hiroki</au><au>Tsukamoto, Arata</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Load characteristics of magnetization-dependent transverse thermoelectric generation in GdFeCo ferrimagnetic alloy thin films</atitle><jtitle>Japanese Journal of Applied Physics</jtitle><addtitle>Jpn. J. Appl. Phys</addtitle><date>2024-09-02</date><risdate>2024</risdate><volume>63</volume><issue>9</issue><spage>9</spage><pages>9-</pages><issn>0021-4922</issn><eissn>1347-4065</eissn><coden>JJAPB6</coden><abstract>We evaluated the thermoelectric voltage and electric power induced by the transverse and longitudinal thermoelectric generation, along with their load resistance characteristics, by measuring the load voltage in remanent magnetization states of a perpendicularly magnetized GdFeCo ferrimagnetic alloy thin film. Various load resistances were connected transversely and longitudinally to the temperature gradient. Our results showed that the load voltage induced by thermoelectric generation varied with load resistance. Additionally, the sign of the transverse load voltage reversed with the reversal of magnetization. The electric power generated thermoelectrically exhibited load dependency, reaching a local maximum. These behaviors can be qualitatively explained by the load characteristics of the power supply circuit, where polarity changes with the direction of remanent magnetization. In conclusion, we demonstrated the extraction of electric power via thermoelectric generation in a GdFeCo ferrimagnetic thin film. These observations suggest that using magnetic materials can provide new functionality for thermoelectric generators.</abstract><cop>Tokyo</cop><pub>IOP Publishing</pub><doi>10.35848/1347-4065/ad773c</doi><tpages>6</tpages></addata></record> |
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| ispartof | Japanese Journal of Applied Physics, 2024-09, Vol.63 (9), p.9 |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | anomalous Nernst effect Electric potential Electric power supplies Electrical loads Electrical resistance Ferrimagnetic materials ferrimagnetic thin film GdFeCo Load resistance Magnetic materials Magnetization Power supply circuits Temperature dependence thermoelectric generation Thermoelectric generators Thermoelectric materials Thermoelectric power generation Thin films Transverse loads Voltage |
| title | Load characteristics of magnetization-dependent transverse thermoelectric generation in GdFeCo ferrimagnetic alloy thin films |
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