Saravanan Sigamani

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Questions related from Saravanan Sigamani

What solution should be used for dissolving CeO2 powders? & How many hours required to get homogenous (with/without heat) solution (gel) for coating?

Dear Researchers, I have tried to dissolve CeO2 powder in to acetone using sol-gel method. However, the powder got precipitated and not dissolving. So give your suggestion to get solution for the...

18 February 2023 2,652 1 View

Why XRD pattern of TiO2 thin films shows amorphous nature?

I prepared TiO2 thin films (2 layers) and calcinated them at 600 degrees/1 hours (each layer). After the preparation, samples were characterized by XRD to know the crystalline nature. However, I...

11 July 2021 5,938 6 View

Why ellipsometer spectrum of silicon nitride (SixNx) shows the number of peaks at 530 nm excitation wavelength?

We have deposited the silicon nitride (SixNx) on the silicon (Si) substrate using atmospheric pressure chemical vapor deposition (APCVD) technique. After the measurements, the ellipsometer results...

04 January 2020 1,548 3 View

Why XRD pattern of ZnO nanorods prepared on FTO glass by electrochemical deposition is different than the others?

We have attempted to prepare nanorods on FTO plate by electrochemical deposition. In general XRD pattern of ZnO yields 2 theta 31, 34, 37 corresponding to (100), (101) and (002) planes. In our...

19 March 2019 7,741 4 View