Reversible table-like magnetocaloric effect in Eu4PdMg over a very large temperature span
The magnetic properties and magnetocaloric effect (MCE) of the ternary intermetallic compound of Eu4PdMg have been investigated. Eu4PdMg has a very magnetic field sensitive magnetic phase transition, resulting in a reversible, table-like MCE over a broad temperature range. For the magnetic field cha...
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| Veröffentlicht in: | Applied physics letters 2014-03, Vol.104 (9) |
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| creator | Niehaus, Oliver Kersting Marcel Pöttgen Rainer |
| description | The magnetic properties and magnetocaloric effect (MCE) of the ternary intermetallic compound of Eu4PdMg have been investigated. Eu4PdMg has a very magnetic field sensitive magnetic phase transition, resulting in a reversible, table-like MCE over a broad temperature range. For the magnetic field changes of 0–5 T and 0–7 T, the maximum values of magnetic entropy change (−ΔSMmax) are 5.5 J kg−1 K−1 and 7.2 J kg−1 K−1, respectively, the corresponding refrigeration capacity (RC) are 977 J kg−1 and 1346 J kg−1. The RC values are obviously larger than those of some potential magnetic refrigerant materials at similar temperature region, making Eu4PdMg attractive for magnetic refrigeration. |
| doi_str_mv | 10.1063/1.4867882 |
| format | Article |
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Eu4PdMg has a very magnetic field sensitive magnetic phase transition, resulting in a reversible, table-like MCE over a broad temperature range. For the magnetic field changes of 0–5 T and 0–7 T, the maximum values of magnetic entropy change (−ΔSMmax) are 5.5 J kg−1 K−1 and 7.2 J kg−1 K−1, respectively, the corresponding refrigeration capacity (RC) are 977 J kg−1 and 1346 J kg−1. The RC values are obviously larger than those of some potential magnetic refrigerant materials at similar temperature region, making Eu4PdMg attractive for magnetic refrigeration.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4867882</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Intermetallic compounds ; Magnetic fields ; Magnetic properties ; Magnetism ; Phase transitions ; Refrigeration</subject><ispartof>Applied physics letters, 2014-03, Vol.104 (9)</ispartof><rights>2014 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Niehaus, Oliver</creatorcontrib><creatorcontrib>Kersting Marcel</creatorcontrib><creatorcontrib>Pöttgen Rainer</creatorcontrib><title>Reversible table-like magnetocaloric effect in Eu4PdMg over a very large temperature span</title><title>Applied physics letters</title><description>The magnetic properties and magnetocaloric effect (MCE) of the ternary intermetallic compound of Eu4PdMg have been investigated. Eu4PdMg has a very magnetic field sensitive magnetic phase transition, resulting in a reversible, table-like MCE over a broad temperature range. For the magnetic field changes of 0–5 T and 0–7 T, the maximum values of magnetic entropy change (−ΔSMmax) are 5.5 J kg−1 K−1 and 7.2 J kg−1 K−1, respectively, the corresponding refrigeration capacity (RC) are 977 J kg−1 and 1346 J kg−1. The RC values are obviously larger than those of some potential magnetic refrigerant materials at similar temperature region, making Eu4PdMg attractive for magnetic refrigeration.</description><subject>Applied physics</subject><subject>Intermetallic compounds</subject><subject>Magnetic fields</subject><subject>Magnetic properties</subject><subject>Magnetism</subject><subject>Phase transitions</subject><subject>Refrigeration</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNotUMFKxDAUDKLgunrwDwKesyZ5SZoeZVldYUURPXha0ualdO22NWkF_96AXmYYhpmBIeRa8JXgBm7FSllTWCtPyELwomAghD0lC845MFNqcU4uUjpkqSXAgny84jfG1FYd0sllZF37ifTomh6noXbdENuaYghYT7Tt6WZWL_6poUNOUUcz_tDOxSan8ThidNMckabR9ZfkLLgu4dU_L8n7_eZtvWW754fH9d2OjcLCxGoplVTGGtTB6hJkxW1pvELprYWgqzp7XgnJTSiDMB4KZ4xzHoLwGiwsyc1f7xiHrxnTtD8Mc-zz5F4KWRirdD7mF98FUf8</recordid><startdate>20140303</startdate><enddate>20140303</enddate><creator>Niehaus, Oliver</creator><creator>Kersting Marcel</creator><creator>Pöttgen Rainer</creator><general>American Institute of Physics</general><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20140303</creationdate><title>Reversible table-like magnetocaloric effect in Eu4PdMg over a very large temperature span</title><author>Niehaus, Oliver ; Kersting Marcel ; Pöttgen Rainer</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p183t-c22424686e5f85932b0896d4e2d883f5bc686d41206f9f16d37a66aad3f1d5383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Applied physics</topic><topic>Intermetallic compounds</topic><topic>Magnetic fields</topic><topic>Magnetic properties</topic><topic>Magnetism</topic><topic>Phase transitions</topic><topic>Refrigeration</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Niehaus, Oliver</creatorcontrib><creatorcontrib>Kersting Marcel</creatorcontrib><creatorcontrib>Pöttgen Rainer</creatorcontrib><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>Niehaus, Oliver</au><au>Kersting Marcel</au><au>Pöttgen Rainer</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reversible table-like magnetocaloric effect in Eu4PdMg over a very large temperature span</atitle><jtitle>Applied physics letters</jtitle><date>2014-03-03</date><risdate>2014</risdate><volume>104</volume><issue>9</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>The magnetic properties and magnetocaloric effect (MCE) of the ternary intermetallic compound of Eu4PdMg have been investigated. Eu4PdMg has a very magnetic field sensitive magnetic phase transition, resulting in a reversible, table-like MCE over a broad temperature range. For the magnetic field changes of 0–5 T and 0–7 T, the maximum values of magnetic entropy change (−ΔSMmax) are 5.5 J kg−1 K−1 and 7.2 J kg−1 K−1, respectively, the corresponding refrigeration capacity (RC) are 977 J kg−1 and 1346 J kg−1. The RC values are obviously larger than those of some potential magnetic refrigerant materials at similar temperature region, making Eu4PdMg attractive for magnetic refrigeration.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4867882</doi></addata></record> |
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| subjects | Applied physics Intermetallic compounds Magnetic fields Magnetic properties Magnetism Phase transitions Refrigeration |
| title | Reversible table-like magnetocaloric effect in Eu4PdMg over a very large temperature span |
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