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- Polishchuk, DmytrKTH,Nanostrukturfysik (author)
Magnetic Hysteresis in Nanostructures with Thermally Controlled RKKY Coupling
- Article/chapterEnglish2018
Publisher, publication year, extent ...
- 2018-08-22
- Springer,2018
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-234599
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-234599URI
- https://doi.org/10.1186/s11671-018-2669-0DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC 20180914
- 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.
Subject headings and genre
- NATURVETENSKAP Fysik Den kondenserade materiens fysik hsv//swe
- NATURAL SCIENCES Physical Sciences Condensed Matter Physics hsv//eng
- Magnetic multilayers
- Indirect exchange coupling
- Magnetization switching
- Magnetic coercivity
- Thermo-magnetic effects
Added entries (persons, corporate bodies, meetings, titles ...)
- Tykhonenko-Polishchuk, YuliyaKTH,Nanostrukturfysik(Swepub:kth)u1qld2yr (author)
- Borynskyi, VladyslavNAS Ukraine, Inst Magnetism, UA-03142 Kiev, Ukraine.;MES Ukraine, UA-03142 Kiev, Ukraine. (author)
- Kravets, AnatoliiKTH,Nanostrukturfysik(Swepub:kth)u1o8ydo1 (author)
- Tovstolytkin, AlexandrNAS Ukraine, Inst Magnetism, UA-03142 Kiev, Ukraine.;MES Ukraine, UA-03142 Kiev, Ukraine. (author)
- Korenivski, VladislavKTH,Nanostrukturfysik(Swepub:kth)u17mjbwi (author)
- KTHNanostrukturfysik (creator_code:org_t)
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- In:Nanoscale Research Letters: Springer131931-75731556-276X
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