Magnetocaloric properties of FM/AFM core/shell nanoparticles: a Monte Carlo simulation study
In the present work, magnetocaloric properties of FM/AFM core/shell nanoparticles have been studied by using detailed Monte Carlo simulations. Thermal variation of isothermal magnetic entropy change of the core, shell, interface part and total nanoparticle with a spherical shape for various magnetic...
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| Veröffentlicht in: | The European physical journal. B, Condensed matter physics Condensed matter physics, 2021, Vol.94 (1), Article 4 |
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| creator | Vatansever, Erol Yüksel, Yusuf Vatansever, Zeynep Demir |
| description | In the present work, magnetocaloric properties of FM/AFM core/shell nanoparticles have been studied by using detailed Monte Carlo simulations. Thermal variation of isothermal magnetic entropy change of the core, shell, interface part and total nanoparticle with a spherical shape for various magnetic fields strengths have been examined. Also, dependence of the isothermal magnetic entropy change on the size and geometry of the nanoparticle has been analysed by considering the variation of the shape of the nanoparticle from oblate and prolate to a spherical one. Moreover, for the same shape evolution, cooling capacity (
q
) and maximum value of the entropy change have been presented as a function of applied magnetic field. Maximum value of the isothermal magnetic entropy change has been shown to take larger values as the applied magnetic field increases. Our numerical results suggest a linear relationship as
q
∼
b
h
max
between cooling capacity and magnetic field which is in accordance with the recent studies. A scaling behaviour as
|
Δ
S
M
|
max
∼
h
max
c
has also been obtained between maximum value of the magnetic entropy change and magnetic field.
Graphic abstract |
| doi_str_mv | 10.1140/epjb/s10051-020-00009-3 |
| format | Article |
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q
) and maximum value of the entropy change have been presented as a function of applied magnetic field. Maximum value of the isothermal magnetic entropy change has been shown to take larger values as the applied magnetic field increases. Our numerical results suggest a linear relationship as
q
∼
b
h
max
between cooling capacity and magnetic field which is in accordance with the recent studies. A scaling behaviour as
|
Δ
S
M
|
max
∼
h
max
c
has also been obtained between maximum value of the magnetic entropy change and magnetic field.
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q
) and maximum value of the entropy change have been presented as a function of applied magnetic field. Maximum value of the isothermal magnetic entropy change has been shown to take larger values as the applied magnetic field increases. Our numerical results suggest a linear relationship as
q
∼
b
h
max
between cooling capacity and magnetic field which is in accordance with the recent studies. A scaling behaviour as
|
Δ
S
M
|
max
∼
h
max
c
has also been obtained between maximum value of the magnetic entropy change and magnetic field.
Graphic abstract</description><subject>Analysis</subject><subject>Complex Systems</subject><subject>Condensed Matter Physics</subject><subject>Cooling</subject><subject>Core-shell particles</subject><subject>Entropy</subject><subject>Fluid- and Aerodynamics</subject><subject>Magnetic fields</subject><subject>Magnetic properties</subject><subject>Magnetism</subject><subject>Monte Carlo method</subject><subject>Monte Carlo simulation</subject><subject>Nanoparticles</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Regular Article - Statistical and Nonlinear Physics</subject><subject>Solid State Physics</subject><subject>Thermal simulation</subject><issn>1434-6028</issn><issn>1434-6036</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkUFv2yAUx62pk5Zm-wxD2mkHJ4ABk92iqFkjNZq0rbdKCJNH6sgBD7DUfPuRumqVU-HAE_r94D39i-IrwTNCGJ5Df2jmkWDMSYkpLnFei7L6UEwIq1gpcCWuXmsqPxXXMR4yQwRhk-Jhq_cOkje686E1qA--h5BaiMhbtN7Ol-stMj7APD5C1yGnne91BkwH8QfSaOtdArTSofMotseh06n1DsU07E6fi49WdxG-vJzT4n5983d1W979-rlZLe9Kw3CdSsqwpdzUfKcFEXZBjawJt0zIhcQaqgas5Jhqy0HKnZBG1A0RIAxprGC6qabFt_Hd3P2_AWJSBz8El79UlNVCcsE5zdRspPa6A9U661PQJu8dHFvjHdg23y8Fx5IQynkWvl8I5jzqU9rrIUa1-fP7kq1H1gQfYwCr-tAedTgpgtU5J3XOSY05qZyTes5JVdmUoxmz4fYQ3pp_T_0PdnmYJw</recordid><startdate>2021</startdate><enddate>2021</enddate><creator>Vatansever, Erol</creator><creator>Yüksel, Yusuf</creator><creator>Vatansever, Zeynep Demir</creator><general>Springer Berlin Heidelberg</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope></search><sort><creationdate>2021</creationdate><title>Magnetocaloric properties of FM/AFM core/shell nanoparticles: a Monte Carlo simulation study</title><author>Vatansever, Erol ; Yüksel, Yusuf ; Vatansever, Zeynep Demir</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c407t-240f25c75da616f92c8715f468980ae3bef8502af5e88d68c67b16e6c1bf64ab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Analysis</topic><topic>Complex Systems</topic><topic>Condensed Matter Physics</topic><topic>Cooling</topic><topic>Core-shell particles</topic><topic>Entropy</topic><topic>Fluid- and Aerodynamics</topic><topic>Magnetic fields</topic><topic>Magnetic properties</topic><topic>Magnetism</topic><topic>Monte Carlo method</topic><topic>Monte Carlo simulation</topic><topic>Nanoparticles</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Regular Article - Statistical and Nonlinear Physics</topic><topic>Solid State Physics</topic><topic>Thermal simulation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vatansever, Erol</creatorcontrib><creatorcontrib>Yüksel, Yusuf</creatorcontrib><creatorcontrib>Vatansever, Zeynep Demir</creatorcontrib><collection>CrossRef</collection><collection>Gale In Context: Science</collection><jtitle>The European physical journal. B, Condensed matter physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vatansever, Erol</au><au>Yüksel, Yusuf</au><au>Vatansever, Zeynep Demir</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Magnetocaloric properties of FM/AFM core/shell nanoparticles: a Monte Carlo simulation study</atitle><jtitle>The European physical journal. B, Condensed matter physics</jtitle><stitle>Eur. Phys. J. B</stitle><date>2021</date><risdate>2021</risdate><volume>94</volume><issue>1</issue><artnum>4</artnum><issn>1434-6028</issn><eissn>1434-6036</eissn><abstract>In the present work, magnetocaloric properties of FM/AFM core/shell nanoparticles have been studied by using detailed Monte Carlo simulations. Thermal variation of isothermal magnetic entropy change of the core, shell, interface part and total nanoparticle with a spherical shape for various magnetic fields strengths have been examined. Also, dependence of the isothermal magnetic entropy change on the size and geometry of the nanoparticle has been analysed by considering the variation of the shape of the nanoparticle from oblate and prolate to a spherical one. Moreover, for the same shape evolution, cooling capacity (
q
) and maximum value of the entropy change have been presented as a function of applied magnetic field. Maximum value of the isothermal magnetic entropy change has been shown to take larger values as the applied magnetic field increases. Our numerical results suggest a linear relationship as
q
∼
b
h
max
between cooling capacity and magnetic field which is in accordance with the recent studies. A scaling behaviour as
|
Δ
S
M
|
max
∼
h
max
c
has also been obtained between maximum value of the magnetic entropy change and magnetic field.
Graphic abstract</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1140/epjb/s10051-020-00009-3</doi></addata></record> |
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| subjects | Analysis Complex Systems Condensed Matter Physics Cooling Core-shell particles Entropy Fluid- and Aerodynamics Magnetic fields Magnetic properties Magnetism Monte Carlo method Monte Carlo simulation Nanoparticles Physics Physics and Astronomy Regular Article - Statistical and Nonlinear Physics Solid State Physics Thermal simulation |
| title | Magnetocaloric properties of FM/AFM core/shell nanoparticles: a Monte Carlo simulation study |
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