Experimental and theoretical insights into the structural, magnetic, and low-temperature magnetocaloric properties of RE2CoTiO6 (RE = Gd, Dy, and Er) double perovskite oxides
Herein, a systematic investigation on the structural and magnetic properties, especially the low-temperature magnetocaloric effect (MCE) and magnetocaloric performances, of RE2CoTiO6 (RE = Gd, Dy, and Er) oxides was conducted experimentally and theoretically. All the RE2CoTiO6 oxides crystallized in...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2024-11, Vol.12 (46), p.32396-32407 |
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| container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
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| creator | Zhang, Yikun Xie, Yang Wei, Jingjing Weixiang Hao |
| description | Herein, a systematic investigation on the structural and magnetic properties, especially the low-temperature magnetocaloric effect (MCE) and magnetocaloric performances, of RE2CoTiO6 (RE = Gd, Dy, and Er) oxides was conducted experimentally and theoretically. All the RE2CoTiO6 oxides crystallized in the monoclinic B-site ordered (P121/n1 space group) double perovskite (DP)-type structure. The magnetic ground state was verified to be antiferromagnetic couplings for all the RE2CoTiO6 DP oxides by first-principles calculations and magnetization measurements. The magnetic transition temperature was determined to be 2.06, 6.05 and 5.99 K for Gd2CoTiO6, Dy2CoTiO6 and Er2CoTiO6, respectively. Large low-temperature MCEs and promising magnetocaloric performances were realized in these RE2CoTiO6 DP oxides. The deduced magnetocaloric parameters of the maximum magnetic entropy change, temperature-averaged magnetic entropy change, relative cooling power and refrigerant capacity of these RE2CoTiO6 DP oxides, especially for Gd2CoTiO6, were at a high level similar to or better than those of the updated magnetocaloric materials, making them of interest for low-temperature magnetic cooling. |
| doi_str_mv | 10.1039/d4ta05172f |
| format | Article |
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All the RE2CoTiO6 oxides crystallized in the monoclinic B-site ordered (P121/n1 space group) double perovskite (DP)-type structure. The magnetic ground state was verified to be antiferromagnetic couplings for all the RE2CoTiO6 DP oxides by first-principles calculations and magnetization measurements. The magnetic transition temperature was determined to be 2.06, 6.05 and 5.99 K for Gd2CoTiO6, Dy2CoTiO6 and Er2CoTiO6, respectively. Large low-temperature MCEs and promising magnetocaloric performances were realized in these RE2CoTiO6 DP oxides. The deduced magnetocaloric parameters of the maximum magnetic entropy change, temperature-averaged magnetic entropy change, relative cooling power and refrigerant capacity of these RE2CoTiO6 DP oxides, especially for Gd2CoTiO6, were at a high level similar to or better than those of the updated magnetocaloric materials, making them of interest for low-temperature magnetic cooling.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/d4ta05172f</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Antiferromagnetism ; Cooling ; Couplings ; Crystallization ; Dysprosium ; Entropy ; First principles ; Gadolinium ; Low temperature ; Magnetic cooling ; Magnetic materials ; Magnetic properties ; Magnetic transitions ; Oxides ; Perovskites ; Transition temperature ; Transition temperatures</subject><ispartof>Journal of materials chemistry. 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A, Materials for energy and sustainability</title><description>Herein, a systematic investigation on the structural and magnetic properties, especially the low-temperature magnetocaloric effect (MCE) and magnetocaloric performances, of RE2CoTiO6 (RE = Gd, Dy, and Er) oxides was conducted experimentally and theoretically. All the RE2CoTiO6 oxides crystallized in the monoclinic B-site ordered (P121/n1 space group) double perovskite (DP)-type structure. The magnetic ground state was verified to be antiferromagnetic couplings for all the RE2CoTiO6 DP oxides by first-principles calculations and magnetization measurements. The magnetic transition temperature was determined to be 2.06, 6.05 and 5.99 K for Gd2CoTiO6, Dy2CoTiO6 and Er2CoTiO6, respectively. Large low-temperature MCEs and promising magnetocaloric performances were realized in these RE2CoTiO6 DP oxides. The deduced magnetocaloric parameters of the maximum magnetic entropy change, temperature-averaged magnetic entropy change, relative cooling power and refrigerant capacity of these RE2CoTiO6 DP oxides, especially for Gd2CoTiO6, were at a high level similar to or better than those of the updated magnetocaloric materials, making them of interest for low-temperature magnetic cooling.</description><subject>Antiferromagnetism</subject><subject>Cooling</subject><subject>Couplings</subject><subject>Crystallization</subject><subject>Dysprosium</subject><subject>Entropy</subject><subject>First principles</subject><subject>Gadolinium</subject><subject>Low temperature</subject><subject>Magnetic cooling</subject><subject>Magnetic materials</subject><subject>Magnetic properties</subject><subject>Magnetic transitions</subject><subject>Oxides</subject><subject>Perovskites</subject><subject>Transition temperature</subject><subject>Transition temperatures</subject><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNo9js9OAjEQxhujiQS5-ARNvGjCav_sdrcHDwZXNCEhIXgm3bYLxWWLbRfxpXxGixDnMt_km-83A8A1RvcYUf6g0iBQhnNSn4EeQRlK8pSz839dFJdg4P0axSoQYpz3wE-532pnNroNooGiVTCstHU6GBln03qzXAUfRbAHB_rgOhk6J5oh3Ihle1gc_uUa-5UEvYk0EX19cm3EWGck3DobrWC0h7aGs5KM7NxMGbydlfARjtUQPn8fQaW7g8p2VaNhTNid_zBBQ7s3SvsrcFGLxuvBqffB-0s5H70mk-n4bfQ0SbYY05BgjvOspkohjDOWS45IxgWiiAqSsjwlpJZFKiWjChcZ5ZxQVsmiSkVd6woL2gc3R258-7PTPizWtnNtPLmgmJI8zwrM6C_163HZ</recordid><startdate>20241126</startdate><enddate>20241126</enddate><creator>Zhang, Yikun</creator><creator>Xie, Yang</creator><creator>Wei, Jingjing</creator><creator>Weixiang Hao</creator><general>Royal Society of Chemistry</general><scope>7SP</scope><scope>7SR</scope><scope>7ST</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>JG9</scope><scope>L7M</scope><scope>SOI</scope></search><sort><creationdate>20241126</creationdate><title>Experimental and theoretical insights into the structural, magnetic, and low-temperature magnetocaloric properties of RE2CoTiO6 (RE = Gd, Dy, and Er) double perovskite oxides</title><author>Zhang, Yikun ; Xie, Yang ; Wei, Jingjing ; Weixiang Hao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p113t-19175f3dd011567c90259a0303a2467422fc84cc63d185399236bc8b4affeb1a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Antiferromagnetism</topic><topic>Cooling</topic><topic>Couplings</topic><topic>Crystallization</topic><topic>Dysprosium</topic><topic>Entropy</topic><topic>First principles</topic><topic>Gadolinium</topic><topic>Low temperature</topic><topic>Magnetic cooling</topic><topic>Magnetic materials</topic><topic>Magnetic properties</topic><topic>Magnetic transitions</topic><topic>Oxides</topic><topic>Perovskites</topic><topic>Transition temperature</topic><topic>Transition temperatures</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Yikun</creatorcontrib><creatorcontrib>Xie, Yang</creatorcontrib><creatorcontrib>Wei, Jingjing</creatorcontrib><creatorcontrib>Weixiang Hao</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Yikun</au><au>Xie, Yang</au><au>Wei, Jingjing</au><au>Weixiang Hao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental and theoretical insights into the structural, magnetic, and low-temperature magnetocaloric properties of RE2CoTiO6 (RE = Gd, Dy, and Er) double perovskite oxides</atitle><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle><date>2024-11-26</date><risdate>2024</risdate><volume>12</volume><issue>46</issue><spage>32396</spage><epage>32407</epage><pages>32396-32407</pages><issn>2050-7488</issn><eissn>2050-7496</eissn><abstract>Herein, a systematic investigation on the structural and magnetic properties, especially the low-temperature magnetocaloric effect (MCE) and magnetocaloric performances, of RE2CoTiO6 (RE = Gd, Dy, and Er) oxides was conducted experimentally and theoretically. All the RE2CoTiO6 oxides crystallized in the monoclinic B-site ordered (P121/n1 space group) double perovskite (DP)-type structure. The magnetic ground state was verified to be antiferromagnetic couplings for all the RE2CoTiO6 DP oxides by first-principles calculations and magnetization measurements. The magnetic transition temperature was determined to be 2.06, 6.05 and 5.99 K for Gd2CoTiO6, Dy2CoTiO6 and Er2CoTiO6, respectively. Large low-temperature MCEs and promising magnetocaloric performances were realized in these RE2CoTiO6 DP oxides. The deduced magnetocaloric parameters of the maximum magnetic entropy change, temperature-averaged magnetic entropy change, relative cooling power and refrigerant capacity of these RE2CoTiO6 DP oxides, especially for Gd2CoTiO6, were at a high level similar to or better than those of the updated magnetocaloric materials, making them of interest for low-temperature magnetic cooling.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d4ta05172f</doi><tpages>12</tpages></addata></record> |
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| ispartof | Journal of materials chemistry. A, Materials for energy and sustainability, 2024-11, Vol.12 (46), p.32396-32407 |
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| language | eng |
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| source | Royal Society Of Chemistry Journals 2008- |
| subjects | Antiferromagnetism Cooling Couplings Crystallization Dysprosium Entropy First principles Gadolinium Low temperature Magnetic cooling Magnetic materials Magnetic properties Magnetic transitions Oxides Perovskites Transition temperature Transition temperatures |
| title | Experimental and theoretical insights into the structural, magnetic, and low-temperature magnetocaloric properties of RE2CoTiO6 (RE = Gd, Dy, and Er) double perovskite oxides |
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