Surface modification of tantalum pentoxide coatings deposited by magnetron sputtering and correlation with cell adhesion and proliferation in in vitro tests

The effect was analyzed of surface treatment by argon ions on the surface properties of tantalum pentoxide coatings deposited by reactive magnetron sputtering. The structural parameters of the as-deposited coatings were investigated by means of transmission electron microscopy, atomic force microsco...

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Bibliographic Details
Published in:Journal of physics. Conference series 2016-03, Vol.700 (1), p.12027
Main Authors: Zykova, A, Safonov, V, Goltsev, A, Dubrava, T, Rossokha, I, Donkov, N, Yakovin, S, Kolesnikov, D, Goncharov, I, Georgieva, V
Format: Article
Language:English
Subjects:
Argon ions
Atomic force microscopy
Bone marrow
Cell adhesion
Coatings
Electron microscopes
Electron microscopy
Free energy
In vitro methods and tests
Ion bombardment
Magnetic properties
Magnetron sputtering
Microscopy
Photoelectrons
Physics
Surface properties
Surface treatment
Tantalum
Tantalum oxides
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Summary:The effect was analyzed of surface treatment by argon ions on the surface properties of tantalum pentoxide coatings deposited by reactive magnetron sputtering. The structural parameters of the as-deposited coatings were investigated by means of transmission electron microscopy, atomic force microscopy and scanning electron microscopy. X-ray diffraction profiles and X-ray photoelectron spectra were also acquired. The total surface free energy (SFE), the polar, dispersion parts and fractional polarities, were estimated by the Owens-Wendt-Rabel-Kaeble method. The adhesive and proliferative potentials of bone marrow cells were evaluated for both Ta2O5 coatings and Ta2O5 coatings deposited by simultaneous bombardment by argon ions in in vitro tests.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/700/1/012027