Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 김종렬 | - |
dc.date.accessioned | 2023-07-12T01:13:20Z | - |
dc.date.available | 2023-07-12T01:13:20Z | - |
dc.date.issued | 2021-10 | - |
dc.identifier.citation | RSC ADVANCES, v. 11, NO. 51, Page. 32376-32382 | - |
dc.identifier.issn | 2046-2069;2046-2069 | - |
dc.identifier.uri | https://pubs.rsc.org/en/content/articlelanding/2021/RA/D1RA03760A | en_US |
dc.identifier.uri | https://repository.hanyang.ac.kr/handle/20.500.11754/182879 | - |
dc.description.abstract | Nd2Fe14B is one of the most popular permanent magnets (PMs) possessing the best energy product (BH)(max) among the common PM materials. However, exchange-coupled nanocomposite magnets fabricated by embedding nanostructures of soft-phase magnetic materials into a hard-phase magnetic matrix manifest higher remanence and a higher energy product. Here we present the fabrication of exchange coupled Nd2Fe14B/Fe-Co magnetic nanocomposites using gel-combustion and diffusion-reduction processes. Pre-fabricated CoFe2O4 nanoparticles (NPs) of similar to 5 nm diameter were incorporated into a Nd-Fe-B oxide matrix during its synthesis by gel-combustion. The obtained mixed oxide was further processed with oxidative annealing at 800 degrees C for 2 h and reductive annealing at 900 degrees C for 2 h to form a Nd2Fe14B/Fe-Co nanocomposite. Nanocomposites with different mol% of soft-phase were prepared and characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and physical property measurement system (PPMS) to study their crystalline phase, morphology and magnetic behavior. Addition of 7.7 mol% of soft-phase was found to be optimum, producing a coercivity (H-c) of 5.6 kOe and remanence (M-r) of 54 emu g(-1) in the nanocomposite. | - |
dc.language | en | - |
dc.publisher | ROYAL SOC CHEMISTRY | - |
dc.title | Chemical synthesis of Nd2Fe14B/Fe-Co nanocomposite with high magnetic energy product | - |
dc.type | Article | - |
dc.relation.no | 51 | - |
dc.relation.volume | 11 | - |
dc.identifier.doi | 10.1039/d1ra03760a | - |
dc.relation.page | 32376-32382 | - |
dc.relation.journal | RSC ADVANCES | - |
dc.contributor.googleauthor | Ngo, Hieu Minh | - |
dc.contributor.googleauthor | Lee, Gyutae | - |
dc.contributor.googleauthor | Haider, Syed Kamran | - |
dc.contributor.googleauthor | Pal, Umapada | - |
dc.contributor.googleauthor | Hawari, Thomi | - |
dc.contributor.googleauthor | Kim, Kyung Min | - |
dc.contributor.googleauthor | Kim, Jongryoul | - |
dc.contributor.googleauthor | Kwon, Hae-Woong | - |
dc.contributor.googleauthor | Kang, Young Soo | - |
dc.sector.campus | E | - |
dc.sector.daehak | 공학대학 | - |
dc.sector.department | 재료화학공학과 | - |
dc.identifier.pid | jina | - |
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