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DC Field | Value | Language |
---|---|---|
dc.citation.endPage | 348 | - |
dc.citation.number | 5093 | - |
dc.citation.startPage | 346 | - |
dc.citation.title | SCIENCE | - |
dc.citation.volume | 259 | - |
dc.contributor.author | RUOFF, RS | - |
dc.contributor.author | LORENTS, DC | - |
dc.contributor.author | CHAN, B | - |
dc.contributor.author | MALHOTRA, R | - |
dc.contributor.author | SUBRAMONEY, S | - |
dc.date.accessioned | 2023-12-22T13:06:49Z | - |
dc.date.available | 2023-12-22T13:06:49Z | - |
dc.date.created | 2021-10-20 | - |
dc.date.issued | 1993-01 | - |
dc.description.abstract | Single-domain microcrystals of LaC2 encapsulated within nanoscale polyhedral carbon particles have been synthesized in a carbon arc. Typical particle sizes are on the order of 20 to 40 nanometers. The stoichiometry and phase of the La-containing crystals have been assigned from characteristic lattice spacings observed by high-resolution transmission electron microscopy and energy dispersive spectroscopy (EDS). EDS spectra show that La and C are the only elements present. Characteristic interatomic distances of 3.39 and 2.78 angstroms identity the compound inside the nanoparticle cavities as alpha-LaC2, the phase of LaC2 that is stable at room temperature. Bulk alpha-LaC2 is metallic and hydrolytic. Observation of crystals of pure encapsulated alpha-LaC2 that were exposed to air for several days before analysis indicates that the LaC2 is protected from degradation by the carbon polyhedral shells of the nanoparticles. A high percentage of the carbon nanoparticles have encapsulated LaC2 single crystals. These carbon-coated metal crystals form a new class of materials that can be protected in their pure or carbide forms and may have interesting and useful properties. | - |
dc.identifier.bibliographicCitation | SCIENCE, v.259, no.5093, pp.346 - 348 | - |
dc.identifier.doi | 10.1126/science.259.5093.346 | - |
dc.identifier.issn | 0036-8075 | - |
dc.identifier.scopusid | 2-s2.0-0027342211 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/54569 | - |
dc.identifier.url | https://www.science.org/lookup/doi/10.1126/science.259.5093.346 | - |
dc.identifier.wosid | A1993KG62400027 | - |
dc.language | 영어 | - |
dc.publisher | AMER ASSOC ADVANCEMENT SCIENCE | - |
dc.title | SINGLE-CRYSTAL METALS ENCAPSULATED IN CARBON NANOPARTICLES | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Multidisciplinary Sciences | - |
dc.relation.journalResearchArea | Science & Technology - Other Topics | - |
dc.type.docType | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
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