Magnetic properties of superparamagnetic nanoparticles loaded into silicon nanotubes

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Abstract

In this work, the magnetic properties of silicon nanotubes (SiNTs) filled with Fe ₃O ₄ nanoparticles (NPs) are investigated. SiNTs with different wall thicknesses of 10 and 70 nm and an inner diameter of approximately 50 nm are prepared and filled with superparamagnetic iron oxide nanoparticles of 4 and 10 nm in diameter. The infiltration process of the NPs into the tubes and dependence on the wall-thickness is described. Furthermore, data from magnetization measurements of the nanocomposite systems are analyzed in terms of iron oxide nanoparticle size dependence. Such biocompatible nanocomposites have potential merit in the field of magnetically guided drug delivery vehicles.

PACS

61.46.Fg; 62.23.Pq; 75.75.-c; 75.20.-g

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Author and article information

Contributors

Petra Granitzer

Klemens Rumpf

Roberto Gonzalez

Jeffery Coffer

Michael Reissner

Journal

Journal ID (nlm-ta): Nanoscale Res Lett

Journal ID (iso-abbrev): Nanoscale Res Lett

Title: Nanoscale Research Letters

Publisher: Springer

ISSN (Print): 1931-7573

ISSN (Electronic): 1556-276X

Publication date Collection: 2014

Publication date (Electronic): 21 August 2014

Volume: 9

Issue: 1

Page: 413

Affiliations

[1 ]Institute of Physics, Karl Franzens University Graz, Universitaetsplatz 5, Graz 8010, Austria

[2 ]Department of Chemistry, Texas Christian University, Fort Worth, TX 76129, USA

[3 ]Institute of Solid State Physics, Vienna University of Technology, Wiedner Hauptstr. 8Vienna 1040, Austria

Article

Publisher ID: 1556-276X-9-413

DOI: 10.1186/1556-276X-9-413

PMC ID: 4142064

SO-VID: cccb28fe-d5bc-4365-9f3e-7c1ccf31979c

License:

This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

History

Date received : 19 May 2014

Date accepted : 7 July 2014

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