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Observation of epitaxially ordered twinned zinc aluminate “nanoblades” on c-capphire

McGlynn, Enda orcid logoORCID: 0000-0002-3412-9035, Twamley, Brendan, Nanda, Karuna K., Grabowska, Justina, Rajendra Kumar, Ramasamy Thangavelu, Newcomb, Simon B., Mosnier, Jean-Paul orcid logoORCID: 0000-0002-9312-1754 and Henry, Martin O. (2012) Observation of epitaxially ordered twinned zinc aluminate “nanoblades” on c-capphire. Journal of Materials Science: Materials in Electronics, 23 (3). pp. 758-765. ISSN 0957-4522

Abstract
We report the observation of a novel nanostructured growth mode of the ceramic spinel zinc aluminate grown on c-sapphire in the form of epitaxially ordered twinned crystallites with pronounced vertically aligned “nanoblades” on top of these crystallites. The nanostructures are formed on bare c-sapphire substrates using a vapour phase transport method. Electron microscopy images reveal the nanostructure morphology and dimensions and allow direct and indirect observation of the twin boundary location in a number of samples. The nanoblade structure with sharply rising sidewalls gives rise to a distinctive bright contrast in secondary electron images in scanning electron microscopy measurements.
Metadata
Item Type:Article (Published)
Refereed:Yes
Subjects:Engineering > Materials
Physical Sciences > Nanotechnology
Physical Sciences > Semiconductors
DCU Faculties and Centres:Research Initiatives and Centres > National Centre for Plasma Science and Technology (NCPST)
DCU Faculties and Schools > Faculty of Science and Health > School of Physical Sciences
Publisher:Springer (Kluwer)
Official URL:http://dx.doi.org/10.1007/s10854-011-0486-7
Copyright Information:© 2012 Springer The original publication is available at www.springerlink.com
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:19625
Deposited On:07 Nov 2013 14:34 by Enda Mcglynn . Last Modified 07 Oct 2021 12:19
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