Magnetic Hysteresis in Nanostructures with Thermally Controlled RKKY Coupling
Abstract Mechanisms of the recently demonstrated ex-situ thermal control of the indirect exchange coupling in magnetic multilayer are discussed for different designs of the spacer layer. Temperature-induced changes in the hysteresis of magnetization are shown to be associated with different types of...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2018-08-01
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| Series: | Nanoscale Research Letters |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1186/s11671-018-2669-0 |
| _version_ | 1797764292435509248 |
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| author | Dmytro Polishchuk Yuliya Tykhonenko-Polishchuk Vladyslav Borynskyi Anatolii Kravets Alexandr Tovstolytkin Vladislav Korenivski |
| author_facet | Dmytro Polishchuk Yuliya Tykhonenko-Polishchuk Vladyslav Borynskyi Anatolii Kravets Alexandr Tovstolytkin Vladislav Korenivski |
| author_sort | Dmytro Polishchuk |
| collection | DOAJ |
| description | Abstract Mechanisms of the recently demonstrated ex-situ thermal control of the indirect exchange coupling in magnetic multilayer are discussed for different designs of the spacer layer. Temperature-induced changes in the hysteresis of magnetization are shown to be associated with different types of competing interlayer exchange interactions. Theoretical analysis indicates that the measured step-like shape and hysteresis of the magnetization loops is due to local in-plane magnetic anisotropy of nano-crystallites within the strongly ferromagnetic films. Comparison of the experiment and theory is used to contrast the mechanisms of the magnetization switching based on the competition of (i) indirect (RKKY) and direct (non-RKKY) interlayer exchange interactions as well as (ii) indirect ferromagnetic and indirect antiferromagnetic (both of RKKY type) interlayer exchange. These results, detailing the rich magnetic phase space of the system, should help enable the practical use of RKKY for thermally switching the magnetization in magnetic multilayers. |
| first_indexed | 2024-03-12T19:54:56Z |
| format | Article |
| id | doaj.art-10ec9062b2d94910837d95845d122248 |
| institution | Directory Open Access Journal |
| issn | 1931-7573 1556-276X |
| language | English |
| last_indexed | 2024-03-12T19:54:56Z |
| publishDate | 2018-08-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Nanoscale Research Letters |
| spelling | doaj.art-10ec9062b2d94910837d95845d1222482023-08-02T02:52:12ZengSpringerOpenNanoscale Research Letters1931-75731556-276X2018-08-011311710.1186/s11671-018-2669-0Magnetic Hysteresis in Nanostructures with Thermally Controlled RKKY CouplingDmytro Polishchuk0Yuliya Tykhonenko-Polishchuk1Vladyslav Borynskyi2Anatolii Kravets3Alexandr Tovstolytkin4Vladislav Korenivski5Nanostructure Physics, Royal Institute of TechnologyNanostructure Physics, Royal Institute of TechnologyInstitute of Magnetism, NAS of Ukraine and MES of UkraineNanostructure Physics, Royal Institute of TechnologyInstitute of Magnetism, NAS of Ukraine and MES of UkraineNanostructure Physics, Royal Institute of TechnologyAbstract Mechanisms of the recently demonstrated ex-situ thermal control of the indirect exchange coupling in magnetic multilayer are discussed for different designs of the spacer layer. Temperature-induced changes in the hysteresis of magnetization are shown to be associated with different types of competing interlayer exchange interactions. Theoretical analysis indicates that the measured step-like shape and hysteresis of the magnetization loops is due to local in-plane magnetic anisotropy of nano-crystallites within the strongly ferromagnetic films. Comparison of the experiment and theory is used to contrast the mechanisms of the magnetization switching based on the competition of (i) indirect (RKKY) and direct (non-RKKY) interlayer exchange interactions as well as (ii) indirect ferromagnetic and indirect antiferromagnetic (both of RKKY type) interlayer exchange. These results, detailing the rich magnetic phase space of the system, should help enable the practical use of RKKY for thermally switching the magnetization in magnetic multilayers.http://link.springer.com/article/10.1186/s11671-018-2669-0Magnetic multilayersIndirect exchange couplingMagnetization switchingMagnetic coercivityThermo-magnetic effects |
| spellingShingle | Dmytro Polishchuk Yuliya Tykhonenko-Polishchuk Vladyslav Borynskyi Anatolii Kravets Alexandr Tovstolytkin Vladislav Korenivski Magnetic Hysteresis in Nanostructures with Thermally Controlled RKKY Coupling Nanoscale Research Letters Magnetic multilayers Indirect exchange coupling Magnetization switching Magnetic coercivity Thermo-magnetic effects |
| title | Magnetic Hysteresis in Nanostructures with Thermally Controlled RKKY Coupling |
| title_full | Magnetic Hysteresis in Nanostructures with Thermally Controlled RKKY Coupling |
| title_fullStr | Magnetic Hysteresis in Nanostructures with Thermally Controlled RKKY Coupling |
| title_full_unstemmed | Magnetic Hysteresis in Nanostructures with Thermally Controlled RKKY Coupling |
| title_short | Magnetic Hysteresis in Nanostructures with Thermally Controlled RKKY Coupling |
| title_sort | magnetic hysteresis in nanostructures with thermally controlled rkky coupling |
| topic | Magnetic multilayers Indirect exchange coupling Magnetization switching Magnetic coercivity Thermo-magnetic effects |
| url | http://link.springer.com/article/10.1186/s11671-018-2669-0 |
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