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Optical and structural properties of cobalt-permalloy slanted columnar heterostructure thin films
University of Nebraska Lincoln, NE USA.
University of Nebraska Lincoln, NE USA.
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, Faculty of Science & Engineering. University of Nebraska Lincoln, NE USA; Leibniz Institute Polymer Research Dresden, Germany.
University of Nebraska Lincoln, NE USA.
2017 (English)In: Applied Surface Science, ISSN 0169-4332, E-ISSN 1873-5584, Vol. 421, 783-787 p.Article in journal (Refereed) Published
Abstract [en]

Optical and structural properties of sequential Co-column-NiFe-column slanted columnar heterostructure thin films with an A1203 passivation coating are reported. Electron-beam evaporated glancing angle deposition is utilized to deposit the sequential multiple-material slanted columnar heterostructure thin films. Mueller matrix generalized spectroscopic ellipsometry data is analyzed with a best-match model approach employing the anisotropic Bruggeman effective medium approximation formalism to determine bulk-like and anisotropic optical and structural properties of the individual Co and NiFe slanted columnar material sub-layers. Scanning electron microscopy is applied to image the Co-NiFe sequential growth properties and to verify the results of the ellipsometric analysis. Comparisons to single-material slanted columnar thin films and optically bulk solid thin films are presented and discussed. We find that the optical and structural properties of each material sub-layer of the sequential slanted columnar heterostructure film are distinct from each other and resemble those of their respective single-material counterparts. (C) 2016 Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2017. Vol. 421, 783-787 p.
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:liu:diva-141112DOI: 10.1016/j.apsusc.2016.10.104ISI: 000408756700081OAI: oai:DiVA.org:liu-141112DiVA: diva2:1144784
Note

Funding Agencies|National Science Foundation [CAREER ECCS-0846329, EPSCoR EPS-1004094, MRI CMMI-1337856, MRSEC DMR-1420645, ECCS: 1542182]; Nebraska Research Initiative; J.A. Woollam Foundation

Available from: 2017-09-27 Created: 2017-09-27 Last updated: 2017-09-27

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • Other style
More styles
Language
  • de-DE
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