Half-Solidity of Tetrahedral-like Al-55 Clusters

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dc.contributor.authorKang, Joongooko
dc.contributor.authorKim, Yong-Hyunko
dc.date.accessioned2013-03-11T00:44:17Z-
dc.date.available2013-03-11T00:44:17Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2010-02-
dc.identifier.citationACS NANO, v.4, no.2, pp.1092 - 1098-
dc.identifier.issn1936-0851-
dc.identifier.urihttp://hdl.handle.net/10203/97833-
dc.description.abstractA new dynamic melting state, which has both solid and liquid characteristics, is revealed from first-principles molecular dynamics simulations of Al-55 clusters. In thermal fluctuations near the melting point, the low-energy tetrahedral-like Al-55 survives through rapid, collective surface transformations-such as parity conversions and correlated diffusion of two distant vacancies-without losing its structural orders. The emergence of the collective motions is solely due to efficient thermal excitation of soft phonon modes at nanoscale. A series of spontaneous surface reconfigurations result in a mixture or effective flow of surface atoms as is random color shuffling of a Rubik's cube. This novel flexible solid state (termed as half-solidity) provides useful insights into understanding stability, flexibility, and functionality of nanosystems near or below melting temperatures.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.subjectMOLECULAR-DYNAMICS-
dc.subjectALUMINUM CLUSTERS-
dc.subjectTRANSITION-
dc.subjectUBIQUITIN-
dc.subjectPROTEINS-
dc.subjectSYSTEMS-
dc.titleHalf-Solidity of Tetrahedral-like Al-55 Clusters-
dc.typeArticle-
dc.identifier.wosid000274635800064-
dc.identifier.scopusid2-s2.0-77649108091-
dc.type.rimsART-
dc.citation.volume4-
dc.citation.issue2-
dc.citation.beginningpage1092-
dc.citation.endingpage1098-
dc.citation.publicationnameACS NANO-
dc.contributor.localauthorKim, Yong-Hyun-
dc.contributor.nonIdAuthorKang, Joongoo-
dc.type.journalArticleArticle-
dc.subject.keywordAuthoraluminum clusters-
dc.subject.keywordAuthorstability-
dc.subject.keywordAuthormelting transition-
dc.subject.keywordAuthorDFT-
dc.subject.keywordAuthormolecular dynamics-
dc.subject.keywordPlusMOLECULAR-DYNAMICS-
dc.subject.keywordPlusALUMINUM CLUSTERS-
dc.subject.keywordPlusTRANSITION-
dc.subject.keywordPlusUBIQUITIN-
dc.subject.keywordPlusPROTEINS-
dc.subject.keywordPlusSYSTEMS-
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