کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5358573 | 1503628 | 2015 | 20 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Picosecond ultrafast pulsed laser deposition of SrTiO3
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Picosecond ultrafast pulsed laser deposition of SrTiO3 Picosecond ultrafast pulsed laser deposition of SrTiO3](/preview/png/5358573.png)
چکیده انگلیسی
SrTiO3 particle-composed films were grown on Si substrates via picosecond ultrafast pulsed laser deposition. We have investigated the effect of laser pulse repetition rate (0.2-8.2Â MHz) and fluence (0.079-1.57Â JÂ cmâ2) on the morphology, crystallinity and stoichiometry of the films. X-ray diffraction, energy dispersive X-ray spectroscopy and Rutherford backscattering spectroscopy measurements demonstrated that the as-grown films were nearly stoichiometric and composed of large particles when a pulse repetition rate of 0.2Â MHz was employed. However, at the higher repetition rate of 8.2Â MHz the particle size decreased and the stoichiometry was altered. Finally, we attribute the formation of micron-size particle-composed films to the slow translation speed in relation to the high pulse repetition rates (kHz-MHz regime).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Surface Science - Volume 336, 1 May 2015, Pages 278-282
Journal: Applied Surface Science - Volume 336, 1 May 2015, Pages 278-282
نویسندگان
M. Pervolaraki, C.N. Mihailescu, C.R. Luculescu, P. Ionescu, M.D. Dracea, D. Pantelica, J. Giapintzakis,