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DC Field | Value | Language |
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dc.contributor.author | Lan, Qianqian | en_US |
dc.contributor.author | Kovács, András | en_US |
dc.contributor.author | Caron, Jan | en_US |
dc.contributor.author | Du, Hongchu | en_US |
dc.contributor.author | Song, Dongsheng | en_US |
dc.contributor.author | Dasari, Sriswaroop | en_US |
dc.contributor.author | Gwalani, Bharat | en_US |
dc.contributor.author | Chaudhary, Varun | en_US |
dc.contributor.author | Ramanujan, Raju V. | en_US |
dc.contributor.author | Banerjee, Rajarshi | en_US |
dc.contributor.author | Dunin-Borkowski, Rafal E. | en_US |
dc.date.accessioned | 2023-01-09T07:50:00Z | - |
dc.date.available | 2023-01-09T07:50:00Z | - |
dc.date.issued | 2022 | - |
dc.identifier.citation | Lan, Q., Kovács, A., Caron, J., Du, H., Song, D., Dasari, S., Gwalani, B., Chaudhary, V., Ramanujan, R. V., Banerjee, R. & Dunin-Borkowski, R. E. (2022). Highly complex magnetic behavior resulting from hierarchical phase separation in AlCo(Cr)FeNi high-entropy alloys. IScience, 25(4), 104047-. https://dx.doi.org/10.1016/j.isci.2022.104047 | en_US |
dc.identifier.issn | 2589-0042 | en_US |
dc.identifier.uri | https://hdl.handle.net/10356/164206 | - |
dc.description.abstract | Magnetic high-entropy alloys (HEAs) are a new category of high-performance magnetic materials, with multicomponent concentrated compositions and complex multi-phase structures. Although there have been numerous reports of their interesting magnetic properties, there is very limited understanding about the interplay between their hierarchical multi-phase structures and the resulting magnetic behavior. We reveal for the first time the influence of a hierarchically decomposed B2 + A2 structure in an AlCo0.5Cr0.5FeNi HEA on the formation of magnetic vortex states within individual A2 (disordered BCC) precipitates, which are distributed in an ordered B2 matrix that is weakly ferromagnetic. Non-magnetic or weakly ferromagnetic B2 precipitates in large magnetic domains of the A2 phase, and strongly magnetic Fe-Co-rich interphase A2 regions, are also observed. These results provide important insight into the origin of coercivity in this HEA, which can be attributed to a complex magnetization process that includes the successive reversal of magnetic vortices. | en_US |
dc.description.sponsorship | Agency for Science, Technology and Research (A*STAR) | en_US |
dc.language.iso | en | en_US |
dc.relation | A1898b0043 | en_US |
dc.relation.ispartof | iScience | en_US |
dc.rights | © 2022 The Authors. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). | en_US |
dc.subject | Engineering::Materials | en_US |
dc.title | Highly complex magnetic behavior resulting from hierarchical phase separation in AlCo(Cr)FeNi high-entropy alloys | en_US |
dc.type | Journal Article | en |
dc.contributor.school | School of Materials Science and Engineering | en_US |
dc.identifier.doi | 10.1016/j.isci.2022.104047 | - |
dc.description.version | Published version | en_US |
dc.identifier.pmid | 35359811 | - |
dc.identifier.scopus | 2-s2.0-85126928272 | - |
dc.identifier.issue | 4 | en_US |
dc.identifier.volume | 25 | en_US |
dc.identifier.spage | 104047 | en_US |
dc.subject.keywords | Transport | en_US |
dc.subject.keywords | Coercivity | en_US |
dc.description.acknowledgement | This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program under grant agreements 856538 (3D MAGiC) and 823717 (ESTEEM3), as well as from the DARPA TEE program through grant MIPR# HR0011831554 and the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)-Project-ID 405553726-TRR 270. This work is also supported by the AME Programmatic Fund of the Agency for Science, Technology and Research, Singapore under Grant No. A1898b0043. | en_US |
item.fulltext | With Fulltext | - |
item.grantfulltext | open | - |
Appears in Collections: | MSE Journal Articles |
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File | Description | Size | Format | |
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PIIS2589004222003170.pdf | 5.62 MB | Adobe PDF | View/Open |
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