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Proceedings Paper

Stepwise assembly of europium sesquioxide nanocrystals and nanoneedles
Author(s): Sameer V. Mahajan; Marcela L. Redígolo; Dmitry S. Koktysh; James H. Dickerson
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Paper Abstract

The stepwise self-assembly of europium sesquioxide nanocrystals into larger, anisotropic europium hydroxychloride nanostructures is observed. This involves the thermally assisted growth of 4.0 nm nanocrystals into elongated structures, called nanoneedles, and the subsequent assembly of those nanoneedles into larger, oriented bundles, called nanospindles. High-resolution transmission electron microscopy provides the size distribution, shape and atomic spacing of the nanostructures, whereas selective area electron diffraction and x-ray diffraction measurements identify their crystallinity. The optical properties, attributed to the environment of the host lattice for the europium ions, are investigated through photoluminescence measurements.

Paper Details

Date Published: 14 September 2006
PDF: 7 pages
Proc. SPIE 6321, Nanophotonic Materials III, 632102 (14 September 2006); doi: 10.1117/12.683517
Show Author Affiliations
Sameer V. Mahajan, Vanderbilt Univ. (United States)
Marcela L. Redígolo, Vanderbilt Univ. (United States)
Dmitry S. Koktysh, Vanderbilt Univ. (United States)
James H. Dickerson, Vanderbilt Univ. (United States)

Published in SPIE Proceedings Vol. 6321:
Nanophotonic Materials III
Zeno Gaburro; Stefano Cabrini, Editor(s)

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