کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
1664391 1008756 2015 5 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Quantification of sputtering damage during NiO film deposition on a Si/SiO2 substrate using electrochemical impedance spectroscopy
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
Quantification of sputtering damage during NiO film deposition on a Si/SiO2 substrate using electrochemical impedance spectroscopy
چکیده انگلیسی


• We investigate sputtering damage during NiO deposition using impedance spectroscopy.
• Impedance of samples is measured and modeled using an appropriate equivalent circuit.
• By fitting the impedance data interface uniformity and quality are obtained.
• Found that sputtering damage correlated with samples location during deposition
• Findings help to reduce growth-related defects and improve the quality of NiO films.

Sputtering damage during NiO deposition on SiO2 coated Si+ substrate is investigated using an electrochemical impedance spectroscopy. The degree of sputtering damage for samples located at different positions relative to the sputtering source is evaluated by proposing an equivalent circuit that includes a constant phase element (CPE) to represent the area around the SiO2/NiO interface. By fitting the impedance data, CPE-T and CPE-p index parameters (which are related to the interface uniformity and quality) are obtained. Using these parameters, the capacitance and time constants of the SiO2 layer and the SiO2/NiO interface are estimated. By comparing the CPE-p index values, it is concluded that the sample that is closer to the sputtering target is exposed to more damage than samples located at greater distances during the deposition process. This result is significant because it may help to reduce growth-related defects and improve the quality of NiO films grown using the sputtering technique.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thin Solid Films - Volume 592, Part A, 1 October 2015, Pages 150–154
نویسندگان
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