Melting of embedded anisotropic particles: PbIn inclusions in Al

Siem, Ellen J.; Johnson, Erik

doi:10.1080/14786430412331333671

Cited by 3 publications

(1 citation statement)

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“…Parts d and f of Figure show the typical phase images of 200 nm diameter patterns, where no grain boundary features are observed. Although the original patterns in the e-beam resist are circular disks, the annealed CFO patterns present a faceted shape which is consistent with the Wulff construction for cubic m 3 m point group symmetry (truncated octahedron with {100} and {111} facets), as illustrated in Figure g. In fact, the sharp angle between the side/bottom surfaces measured from cross-sectional profiles of Figure f is around 56−58°, corresponding well to the angle between cubic {100} and {111} planes (57.4°).…”

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confidence: 75%

Site-Specific Fabrication and Epitaxial Conversion of Functional Oxide Nanodisk Arrays

et al. 2006

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Nanodisk arrays of technologically important magnetic (CoFe(2)O(4)) and ferroelectric (BaTiO(3)) oxides are fabricated on diverse substrates with well-defined size and separation using the soft-eBL approach. We demonstrate that below a certain pattern size, the as-deposited amorphous nanodisks can be readily converted into dense, single-crystal form that exhibit cube-on-cube heteroepitaxy with respect to the underlying single-crystal substrate. Such single-crystal disks show well-defined truncated-pyramid morphology that is consistent with Wulff construction. The mechanism of morphology development with the pattern size change is discussed. Localized characterization of the crystallinity, chemical composition, and magnetic behavior of the CFO nanodisk patterns are carried out using analytical transmission electron microscopy and magnetic force microscopy. Such solution-based epitaxial conversion of patterned arrays of multifunctional oxides has potential for viable cost-effective technological applications.

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confidence: 75%