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dc.contributor.author Stefan T. en_US
dc.contributor.author Edwin en_US
dc.date.accessioned 2008-12-09T15:05:13Z
dc.date.available 2008-12-09T15:05:13Z
dc.date.issued 2005-10-28 en_US
dc.identifier http://dx.doi.org/10.1103/PhysRevLett.95.185505 en_US
dc.identifier.citation Bromley , S T & Flikkema , E 2005 , ' Columnar-to-disk structural transition in nanoscale (SiO2)(N) clusters ' Physical Review Letters , vol 95 , no. 18 , 185505 . , 10.1103/PhysRevLett.95.185505 en_US
dc.identifier.other PURE: 89552 en_US
dc.identifier.other dspace: 2160/1490 en_US
dc.identifier.uri http://hdl.handle.net/2160/1490
dc.description.abstract Extensive large-scale global optimizations refined by ab initio calculations are used to propose (SiO2)N N = 14–27 ground states. For N <23 clusters are columnar and show N-odd–N-even stability, energetically and electronically. At N = 23 a columnar-to-disk structural transition occurs reminiscent of that observed for Si_N. These transitions differ in nature but have the same basis, linking the nanostructural behavior of an element (Si) and its oxide (SiO2). Considering the impact of devices based on the nanoscale manipulation of Si/SiO2 the result is of potential technological importance. en_US
dc.format.extent 4 en_US
dc.relation.ispartof Physical Review Letters en_US
dc.title Columnar-to-disk structural transition in nanoscale (SiO2)(N) clusters en_US
dc.contributor.pbl Institute of Mathematics & Physics (ADT) en_US
dc.contributor.pbl Materials Research en_US


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