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DC Field | Value | Language |
---|---|---|
dc.citation.endPage | 535 | - |
dc.citation.startPage | 526 | - |
dc.citation.title | JOURNAL OF ALLOYS AND COMPOUNDS | - |
dc.citation.volume | 725 | - |
dc.contributor.author | Heo, Yoon-Uk | - |
dc.contributor.author | Yoon, Sangmoon | - |
dc.contributor.author | Kim, Jung Ho | - |
dc.contributor.author | Kim, Young-Ki | - |
dc.contributor.author | Kim, Miyoung | - |
dc.contributor.author | Song, Tae-Jin | - |
dc.contributor.author | Maeda, Minoru | - |
dc.contributor.author | Dou, Shi Xue | - |
dc.date.accessioned | 2023-12-21T21:39:16Z | - |
dc.date.available | 2023-12-21T21:39:16Z | - |
dc.date.created | 2017-08-26 | - |
dc.date.issued | 2017-11 | - |
dc.description.abstract | Growth mechanism and grain boundary (GB) contact of polycrystalline MgB2 fabricated by Mg diffusion method are studied by STEM and EELS analyses. In contrast to the previous reports based on the computational calculation, preferential growth of (001) boron (B) layer and the B-B contact at MgB2 GBs are confirmed by annular dark field (ADF) -STEM image and the combined EELS analyses. The effect of B-B contact at the GB on the superconductivity is further evaluated using First principles calculation. Superior GB linkage of the supercurrent flow via GB B-B contact is expected from the calculated density of states at Fermi level. B-terminated growth mechanism in Mg diffusion method and the effect of GB connectivity via B-B and Mg-Mg contacts are discussed. Finally, we suggest a model of GB linkage of supercurrent flow via B-B contact in polycrystalline MgB2. | - |
dc.identifier.bibliographicCitation | JOURNAL OF ALLOYS AND COMPOUNDS, v.725, pp.526 - 535 | - |
dc.identifier.doi | 10.1016/j.jallcom.2017.07.186 | - |
dc.identifier.issn | 0925-8388 | - |
dc.identifier.scopusid | 2-s2.0-85025436787 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/22582 | - |
dc.identifier.url | http://www.sciencedirect.com/science/article/pii/S0925838817325628 | - |
dc.identifier.wosid | 000412332900061 | - |
dc.language | 영어 | - |
dc.publisher | ELSEVIER SCIENCE SA | - |
dc.title | Preferential growth of boron layer in magnesium diboride (MgB2) by Mg diffusion method | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering | - |
dc.relation.journalResearchArea | Chemistry; Materials Science; Metallurgy & Metallurgical Engineering | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordAuthor | Boron-terminated growth | - |
dc.subject.keywordAuthor | First principles calculation | - |
dc.subject.keywordAuthor | Grain boundary conductivity | - |
dc.subject.keywordAuthor | MgB2 | - |
dc.subject.keywordAuthor | TEM | - |
dc.subject.keywordPlus | TEMPERATURE | - |
dc.subject.keywordPlus | SUPERCONDUCTIVITY | - |
dc.subject.keywordPlus | ORIGIN | - |
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