کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5465864 | 1517974 | 2017 | 42 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Enhancement of rutile phase formation in TiO2 films deposited on stainless steel substrates with a vacuum arc
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The rutile phase of TiO2 has raised a wide interest for biomaterial applications. Since rutile is generally synthesized at high temperatures, a deposition process based on a cathodic arc discharge has been investigated in order to obtain rutile coatings at lower temperature on stainless steel substrates. In this work, TiO2 films were deposited on AISI 316 L stainless steel substrates heated at 300 and 400 °C with a negative bias of 120 V, employing Ti interlayers of different thicknesses. TiO2 films of approximately 500 and 900 nm were grown on Ti interlayers with thicknesses in the range 0-550 nm. The effect of Ti interlayers on the crystalline structure of TiO2 coatings was systematically studied with X-ray diffraction and Raman spectroscopy. The introduction of the Ti layer increased the rutile/anatase proportion either at 300 or 400 °C, turning rutile into the main phase in the TiO2 film. The largest amount of rutile for both temperatures was attained with a 55 nm Ti interlayer, the thinnest thickness studied.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 638, 30 September 2017, Pages 269-276
Journal: Thin Solid Films - Volume 638, 30 September 2017, Pages 269-276
نویسندگان
L.M. Franco Arias, A. Kleiman, D. Vega, M. Fazio, E. Halac, A. Márquez,