Structural Study of Titanium Oxide Films Synthesized by Ion Beam-Assisted Deposition
Gonghua Wang
Department of Chemistry and Nebraska Centre for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
Search for more papers by this authorJoseph R. Brewer
Department of Chemistry and Nebraska Centre for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
Search for more papers by this authorFereydoon Namavar
Department of Orthopaedic Surgery and Rehabilitation, University of Nebraska-Medical Center, Omaha, NE 68198, USA
Search for more papers by this authorRenat F. Sabirianov
Department of Physics, University of Nebraska-Omaha, Omaha, NE 68182, USA
Search for more papers by this authorHani Haider
Department of Orthopaedic Surgery and Rehabilitation, University of Nebraska-Medical Center, Omaha, NE 68198, USA
Search for more papers by this authorKevin L. Garvin
Department of Orthopaedic Surgery and Rehabilitation, University of Nebraska-Medical Center, Omaha, NE 68198, USA
Search for more papers by this authorCorresponding Author
Chin Li Cheung
Department of Chemistry and Nebraska Centre for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
Department of Chemistry and Nebraska Centre for Materials and Nanoscience, University of Nebraska-LincolnLincoln, NE 68588, USASearch for more papers by this authorGonghua Wang
Department of Chemistry and Nebraska Centre for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
Search for more papers by this authorJoseph R. Brewer
Department of Chemistry and Nebraska Centre for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
Search for more papers by this authorFereydoon Namavar
Department of Orthopaedic Surgery and Rehabilitation, University of Nebraska-Medical Center, Omaha, NE 68198, USA
Search for more papers by this authorRenat F. Sabirianov
Department of Physics, University of Nebraska-Omaha, Omaha, NE 68182, USA
Search for more papers by this authorHani Haider
Department of Orthopaedic Surgery and Rehabilitation, University of Nebraska-Medical Center, Omaha, NE 68198, USA
Search for more papers by this authorKevin L. Garvin
Department of Orthopaedic Surgery and Rehabilitation, University of Nebraska-Medical Center, Omaha, NE 68198, USA
Search for more papers by this authorCorresponding Author
Chin Li Cheung
Department of Chemistry and Nebraska Centre for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
Department of Chemistry and Nebraska Centre for Materials and Nanoscience, University of Nebraska-LincolnLincoln, NE 68588, USASearch for more papers by this authorAbstract
The application of titanium dioxide (TiO2) films as surgical implant coatings for antibiotic attachment depends crucially on their available surface area and thus their surface morphology and crystallinity. Here, we report our fabrication of high Wenzel ratio TiO2 films targeted to increase the film surface area using the ion beam-assisted deposition (IBAD) technique at high-deposition temperatures (∼610 °C). The modulation of the films' surface morphology was accomplished by varying the chemical identity of the concurrent ion beams bombarded on the films during the e-beam evaporation process. Atomic force microscopy (AFM) and scanning electron microscopy (SEM) were employed to investigate the surface morphology of the as-deposited films. X-ray diffractometry (XRD) revealed that these nanocrystalline films primarily consist of anatase phase TiO2. Wenzel ratio, the ratio of the actual surface area to the projected area, of IBAD films prepared with argon, oxygen, and nitrogen ion beams was measured to be 1.52, 1.31 and 1.49, respectively. The effect of the differences in chemical reactivity and ion size of these three type ion beams are discussed to explain the present results. SCANNING 30: 000–000, 2008. © 2008 Wiley Periodicals, Inc.
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