Accessible Unlicensed Requires Authentication Published by De Gruyter June 5, 2015

Micropatterned freestanding magnetron sputtered Mg-alloy scaffolds

David Haffner, Christiane Zamponi, Rodrigo Lima de Miranda and Eckhard Quandt
From the journal BioNanoMaterials


Freestanding scaffolds were fabricated of Mg5W (wt.% yttrium) alloy using magnetron sputtering technology. Appropriate method was found to produce scaffolds with high reproducibility, spatial resolution of 1 μm and good mechanical properties. Two different techniques were used for surface finishing, microblasting and chemical polishing. SEM investigation showed high surface quality after chemical polishing while microblasting influenced mechanical properties of the Mg5W alloy. Magnetron sputtering offers a high potential for the production of microstructured scaffolds.

Corresponding author: Prof. Dr.-Ing. Eckhard Quandt, Chair for Inorganic Functional Materials, Institute for Materials Science, Faculty of Engineering, University of Kiel, Kaiserstr. 2, 24143 Kiel, Germany, E-mail:


The authors want to thank the DFG for the financial support.

Funding: Deutsche Forschungsgemeinschaft, (Grant/Award Number: ‘QU 146/9-2’).


1. Witte F, Hort N, Vogt C, Cohen S, Kainer KU, Willumeit R, et al. Degradable biomaterials based on magnesium corrosion. Curr Opin Solid St M 2008;12:63–72. Search in Google Scholar

2. Zheng YF, Gu XN, Witte F. Biodegradable metals. Mater Sci Eng 2014;R77:1–34. Search in Google Scholar

3. Persaud-Sharma D, McGoron A. Biodegradable magnesium alloys: a review of material development and applications. J Biomim Biomater Tissue Eng 2012;12:25–39. Search in Google Scholar

4. Moravej M, Mantovani D. Biodegradable metals for cardiovaskular stent application: interest and new opportunities. Int J Mol Sci 2011;12:4250–70. Search in Google Scholar

5. Wang J, Smith CE, Sanker J, Yun Y, Huang N. Absorbable magnesium-based stent: physiological factor to consider for in vitro degredation assessments. Regenerative Biomater 2015;2:59–60. Search in Google Scholar

6. Campos CM, Muramatsu T, Iqbal J, Zhang Y-J, Onuma Y, Garcia-Garcia HM, et al. Bioresorbable drug-eluting magnesium-alloy scaffold for treatment of corronary artery disease. Int J Mol Sci 2013;14:24492–500. Search in Google Scholar

7. Waizy H, Seitz J-M, Reifenrath J, Weizbauer A, Bach F-W, Meyer-Lindenberg A, et al. Biodegradable magnesium implants for orthopedic applications. J Mater Sci 2013;48:39–50. Search in Google Scholar

8. Chun Y, Levi DS, Mohanchandra KP, Vinuela F, Vinuela F, Carman GP Jr, et al. Thin film nitinol microstent for aneurysm occlusion. J Biomech Eng ASME Trans 2009;131:1–8. Search in Google Scholar

9. Schlüter K, Zamponi C, Piorra A, Quandt E. Comparison of the corrosion behaviour of bulk and thin film magnesium alloys. Corros Sci 2010;52:3973–7. Search in Google Scholar

10. Schlüter K, Zamponi C, Hort N, Kainer KU, Quandt E. Polycrystalline and amorphous MgZnCa thin films. Corros Sci 2012;63:234–8. Search in Google Scholar

11. Schlüter K, Zamponi C, Hapke J, Hort N, Kainer KU, Quandt E. Mechanical properties and corrosion behaviour of freestanding, presipitate- free magnesium WE43 thin films. Int J Mat Res 2012;103:1–7. Search in Google Scholar

12. Schlüter K, Shi Z, Zamponi C, Cao F, Quandt E, Atrens A. Corrosion performance and mechanical properties of sputter-deposited MgY and MgGd alloys. Corros Sci 2014;78:43–54. Search in Google Scholar

13. Nieh TG, Wadsworth J. Magnesium alloy AZ31 foil prepared by sputter deposition at 200°C. J Mater Sci Lett 1987; 6:1150–2. Search in Google Scholar

14. Lima de Miranda R, Zamponi C, Quandt E. Micropatterned freestanding superelastic TiNi films. Adv Eng Mater 2013;15:66–9. Search in Google Scholar

Received: 2015-3-3
Accepted: 2015-5-19
Published Online: 2015-6-5
Published in Print: 2015-3-1

©2015 by De Gruyter