Formation of TiO-Single Crystals in Ag-TiO2 based Nanocomposites by Swift Heavy Ion Irradiation

V.S.K. Chakravadhanula; Y.K. Mishra; V.G. Kotnur; T. Hrkac; L. Kienle; D.K. Avasthi; D. Fink; V. Zaporotchenko; F. Faupel

CLEO/Europe and EQEC 2009 Conference Digest
(Optica Publishing Group, 2009),
paper EI_P10

Formation of TiO-Single Crystals in Ag-TiO₂ based Nanocomposites by Swift Heavy Ion Irradiation

V.S.K. Chakravadhanula, Y.K. Mishra, V.G. Kotnur, T. Hrkac, L. Kienle, D.K. Avasthi, D. Fink, V. Zaporotchenko, and F. Faupel

European Quantum Electronics Conference 2009

Munich Germany
14–19 June 2009
ISBN: 978-1-4244-4080-1

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V. S. K. Chakravadhanula, Y. K. Mishra, V. G. Kotnur, T. Hrkac, L. Kienle, D. K. Avasthi, D. Fink, V. Zaporotchenko, and F. Faupel, "Formation of TiO-Single Crystals in Ag-TiO2 based Nanocomposites by Swift Heavy Ion Irradiation," in CLEO/Europe and EQEC 2009 Conference Digest, (Optica Publishing Group, 2009), paper EI_P10.

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Abstract

In present work, we report the synthesis of Ag-TiO₂ nanocomposite thin films and their modification by swift heavy ions (SHI). Co-sputtering of silver together with titanium oxide (TiO₂) was used to produce Ag-TiO₂ nanocomposite coatings, where Ag nanoparticles are embedded in TiO₂ matrix. The Ag-TiO₂ nanocomposite films (thickness~35nm) with silver-volume-fraction between 10 and 40% were prepared by co-sputtering of Ag and TiO₂ using two different sources. Microstructural, optical [1] and antibacterial properties of nanocomposite films were studied. Swift heavy ions [2] were used to engineer different properties of nanocomposites.

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