Rotational Magnetocaloric Effect in the Er2Fe14B Single Crystal
The adiabatic temperature change ΔT ad and the isothermal entropy change ΔS m were measured in a Er 2 Fe 14 B single crystal in the temperature range of 250-370 K under a magnetic field change of Δμ 0 H = 1.9 T. The magnetic field was applied along the crystallographic axes a and c. Under adiabatic...
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| Veröffentlicht in: | IEEE transactions on magnetics 2016-05, Vol.52 (5), p.1-4 |
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| creator | Skokov, Konstantin P. Pastushenkov, Yury G. Nikitin, Sergey A. Fries, Maximilian Gutfleisch, Oliver |
| description | The adiabatic temperature change ΔT ad and the isothermal entropy change ΔS m were measured in a Er 2 Fe 14 B single crystal in the temperature range of 250-370 K under a magnetic field change of Δμ 0 H = 1.9 T. The magnetic field was applied along the crystallographic axes a and c. Under adiabatic conditions, the application of a 0.5 T field along the c-direction of the Er 2 Fe 14 B single crystal leads to a negative ΔT ad at temperatures below the spin-reorientation temperature T SR = 323 K. In this case, the maximum ΔT ad reaches -0.9 K in the temperature range of 270-280 K. Along the a-direction, the magnetocaloric effect above T SR is positive, and ΔT ad reaches 0.68 K in the magnetic field 0.5 T at the temperatures of 320-330 K. Under isothermal conditions, the maximal magnetic entropy change is -0.86 J kg -1 K -1 at 328 K when the magnetic field is applied along the a-direction and ΔS m = 1.27 J kg -1 K -1 at 275 K if the single crystal is magnetized along the c-axis. |
| doi_str_mv | 10.1109/TMAG.2016.2530138 |
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The magnetic field was applied along the crystallographic axes a and c. Under adiabatic conditions, the application of a 0.5 T field along the c-direction of the Er 2 Fe 14 B single crystal leads to a negative ΔT ad at temperatures below the spin-reorientation temperature T SR = 323 K. In this case, the maximum ΔT ad reaches -0.9 K in the temperature range of 270-280 K. Along the a-direction, the magnetocaloric effect above T SR is positive, and ΔT ad reaches 0.68 K in the magnetic field 0.5 T at the temperatures of 320-330 K. Under isothermal conditions, the maximal magnetic entropy change is -0.86 J kg -1 K -1 at 328 K when the magnetic field is applied along the a-direction and ΔS m = 1.27 J kg -1 K -1 at 275 K if the single crystal is magnetized along the c-axis.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2016.2530138</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Anisotropic magnetoresistance ; Crystals ; Magnetic anisotropy ; Magnetic fields ; Magnetic refrigeration ; Magnetism ; Magnetization ; Magnetocaloric materials ; Perpendicular magnetic anisotropy ; Single crystals ; Spin-reorientation transition ; Temperature ; Temperature measurement</subject><ispartof>IEEE transactions on magnetics, 2016-05, Vol.52 (5), p.1-4</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2016</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7407380$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7407380$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Skokov, Konstantin P.</creatorcontrib><creatorcontrib>Pastushenkov, Yury G.</creatorcontrib><creatorcontrib>Nikitin, Sergey A.</creatorcontrib><creatorcontrib>Fries, Maximilian</creatorcontrib><creatorcontrib>Gutfleisch, Oliver</creatorcontrib><title>Rotational Magnetocaloric Effect in the Er2Fe14B Single Crystal</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>The adiabatic temperature change ΔT ad and the isothermal entropy change ΔS m were measured in a Er 2 Fe 14 B single crystal in the temperature range of 250-370 K under a magnetic field change of Δμ 0 H = 1.9 T. The magnetic field was applied along the crystallographic axes a and c. Under adiabatic conditions, the application of a 0.5 T field along the c-direction of the Er 2 Fe 14 B single crystal leads to a negative ΔT ad at temperatures below the spin-reorientation temperature T SR = 323 K. In this case, the maximum ΔT ad reaches -0.9 K in the temperature range of 270-280 K. Along the a-direction, the magnetocaloric effect above T SR is positive, and ΔT ad reaches 0.68 K in the magnetic field 0.5 T at the temperatures of 320-330 K. Under isothermal conditions, the maximal magnetic entropy change is -0.86 J kg -1 K -1 at 328 K when the magnetic field is applied along the a-direction and ΔS m = 1.27 J kg -1 K -1 at 275 K if the single crystal is magnetized along the c-axis.</description><subject>Anisotropic magnetoresistance</subject><subject>Crystals</subject><subject>Magnetic anisotropy</subject><subject>Magnetic fields</subject><subject>Magnetic refrigeration</subject><subject>Magnetism</subject><subject>Magnetization</subject><subject>Magnetocaloric materials</subject><subject>Perpendicular magnetic anisotropy</subject><subject>Single crystals</subject><subject>Spin-reorientation transition</subject><subject>Temperature</subject><subject>Temperature measurement</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNotjktLw0AYRQdRMFZ_gLgZcJ34Tea9klraKrQIWtdhOo86JSZ1Ml303xuoq8u5HC4XoXsCFSGgnzbr6bKqgYiq5hQIVReoIJqREkDoS1QAEFVqJtg1uhmG_YiMEyjQ80efTY59Z1q8NrvO596atk_R4nkI3mYcO5y_PZ6neuEJe8Gfsdu1Hs_SacimvUVXwbSDv_vPCfpazDez13L1vnybTVdlrIXOpRZcKGEhABNb8JJvGZdKOxtqzpwU0oyddga2nLoA2gKtrXXEORaCooZO0ON595D636MfcrPvj2l8PTREKkkYo1SO1sPZit775pDij0mnRjKQVAH9A3GLUvs</recordid><startdate>201605</startdate><enddate>201605</enddate><creator>Skokov, Konstantin P.</creator><creator>Pastushenkov, Yury G.</creator><creator>Nikitin, Sergey A.</creator><creator>Fries, Maximilian</creator><creator>Gutfleisch, Oliver</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>7SP</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>201605</creationdate><title>Rotational Magnetocaloric Effect in the Er2Fe14B Single Crystal</title><author>Skokov, Konstantin P. ; Pastushenkov, Yury G. ; Nikitin, Sergey A. ; Fries, Maximilian ; Gutfleisch, Oliver</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i269t-965686c0f046b0e75b45789dcf254d767ae759da0b53df09c032ccd1dd4ff83a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Anisotropic magnetoresistance</topic><topic>Crystals</topic><topic>Magnetic anisotropy</topic><topic>Magnetic fields</topic><topic>Magnetic refrigeration</topic><topic>Magnetism</topic><topic>Magnetization</topic><topic>Magnetocaloric materials</topic><topic>Perpendicular magnetic anisotropy</topic><topic>Single crystals</topic><topic>Spin-reorientation transition</topic><topic>Temperature</topic><topic>Temperature measurement</topic><toplevel>online_resources</toplevel><creatorcontrib>Skokov, Konstantin P.</creatorcontrib><creatorcontrib>Pastushenkov, Yury G.</creatorcontrib><creatorcontrib>Nikitin, Sergey A.</creatorcontrib><creatorcontrib>Fries, Maximilian</creatorcontrib><creatorcontrib>Gutfleisch, Oliver</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE/IET Electronic Library (IEL)</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Skokov, Konstantin P.</au><au>Pastushenkov, Yury G.</au><au>Nikitin, Sergey A.</au><au>Fries, Maximilian</au><au>Gutfleisch, Oliver</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rotational Magnetocaloric Effect in the Er2Fe14B Single Crystal</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>2016-05</date><risdate>2016</risdate><volume>52</volume><issue>5</issue><spage>1</spage><epage>4</epage><pages>1-4</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>The adiabatic temperature change ΔT ad and the isothermal entropy change ΔS m were measured in a Er 2 Fe 14 B single crystal in the temperature range of 250-370 K under a magnetic field change of Δμ 0 H = 1.9 T. The magnetic field was applied along the crystallographic axes a and c. Under adiabatic conditions, the application of a 0.5 T field along the c-direction of the Er 2 Fe 14 B single crystal leads to a negative ΔT ad at temperatures below the spin-reorientation temperature T SR = 323 K. In this case, the maximum ΔT ad reaches -0.9 K in the temperature range of 270-280 K. Along the a-direction, the magnetocaloric effect above T SR is positive, and ΔT ad reaches 0.68 K in the magnetic field 0.5 T at the temperatures of 320-330 K. Under isothermal conditions, the maximal magnetic entropy change is -0.86 J kg -1 K -1 at 328 K when the magnetic field is applied along the a-direction and ΔS m = 1.27 J kg -1 K -1 at 275 K if the single crystal is magnetized along the c-axis.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMAG.2016.2530138</doi><tpages>4</tpages></addata></record> |
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| subjects | Anisotropic magnetoresistance Crystals Magnetic anisotropy Magnetic fields Magnetic refrigeration Magnetism Magnetization Magnetocaloric materials Perpendicular magnetic anisotropy Single crystals Spin-reorientation transition Temperature Temperature measurement |
| title | Rotational Magnetocaloric Effect in the Er2Fe14B Single Crystal |
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