Formation of Fullerides and Fullerene-Based Heterostructures
Two potassium fulleride phases, metallic K$_3$C$_{60}$ and nonmetallic K$_6$C$_{60}$, are formed when potassium is incorporated into thin C$_{60}$ films under ultrahigh vacuum conditions. Phase separation is observed for intermediate stoichiometries. Results obtained for the C$_{60}$-K$_3$C$_{60}$ h...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 1991-08, Vol.253 (5020), p.646-648 |
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| container_title | Science (American Association for the Advancement of Science) |
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| creator | Poirier, D. M. Ohno, T. R. Kroll, G. H. Chen, Y. Benning, P. J. Weaver, J. H. Chibante, L. P. F. Smalley, R. E. |
| description | Two potassium fulleride phases, metallic K$_3$C$_{60}$ and nonmetallic K$_6$C$_{60}$, are formed when potassium is incorporated into thin C$_{60}$ films under ultrahigh vacuum conditions. Phase separation is observed for intermediate stoichiometries. Results obtained for the C$_{60}$-K$_3$C$_{60}$ heterostructure demonstrate that it is stable against potassium migration from the K$_3$C$_{60}$ phase. In contrast, the C$_{60}$-K$_6$C$_{60}$ interface is not stable and K$_3$C$_{60}$ is formed. |
| doi_str_mv | 10.1126/science.253.5020.646 |
| format | Article |
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M.</au><au>Ohno, T. R.</au><au>Kroll, G. H.</au><au>Chen, Y.</au><au>Benning, P. J.</au><au>Weaver, J. H.</au><au>Chibante, L. P. F.</au><au>Smalley, R. E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Formation of Fullerides and Fullerene-Based Heterostructures</atitle><jtitle>Science (American Association for the Advancement of Science)</jtitle><addtitle>Science</addtitle><date>1991-08-09</date><risdate>1991</risdate><volume>253</volume><issue>5020</issue><spage>646</spage><epage>648</epage><pages>646-648</pages><issn>0036-8075</issn><eissn>1095-9203</eissn><coden>SCIEAS</coden><abstract>Two potassium fulleride phases, metallic K$_3$C$_{60}$ and nonmetallic K$_6$C$_{60}$, are formed when potassium is incorporated into thin C$_{60}$ films under ultrahigh vacuum conditions. Phase separation is observed for intermediate stoichiometries. Results obtained for the C$_{60}$-K$_3$C$_{60}$ heterostructure demonstrate that it is stable against potassium migration from the K$_3$C$_{60}$ phase. In contrast, the C$_{60}$-K$_6$C$_{60}$ interface is not stable and K$_3$C$_{60}$ is formed.</abstract><cop>Washington, DC</cop><pub>American Society for the Advancement of Science</pub><pmid>17772368</pmid><doi>10.1126/science.253.5020.646</doi><tpages>3</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0036-8075 |
| ispartof | Science (American Association for the Advancement of Science), 1991-08, Vol.253 (5020), p.646-648 |
| issn | 0036-8075 1095-9203 |
| language | eng |
| recordid | cdi_osti_scitechconnect_6114554 |
| source | American Association for the Advancement of Science; Jstor Complete Legacy |
| subjects | 360601 - Other Materials- Preparation & Manufacture 360607 - Other Materials- Superconducting Properties- (1992-) ALKALI METAL COMPOUNDS Atoms Buckminsterfullerene CARBON COMPOUNDS CHEMICAL PREPARATION Condensed matter: structure, mechanical and thermal properties DATA Dielectric films ELECTRIC CONDUCTIVITY Electrical phases ELECTRICAL PROPERTIES Exact sciences and technology EXPERIMENTAL DATA Fullerides INFORMATION Ions Main lines Material films MATERIALS SCIENCE Molecular orbitals MOLECULAR STRUCTURE Molecules NUMERICAL DATA Photoelectric emission PHYSICAL PROPERTIES Physics POTASSIUM COMPOUNDS Solid surfaces and solid-solid interfaces Stoichiometry SUPERCONDUCTIVITY Surface and interface dynamics and vibrations Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) SYNTHESIS Thin film structure and morphology THIN FILMS ULTRAHIGH VACUUM |
| title | Formation of Fullerides and Fullerene-Based Heterostructures |
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