Samit Karmakar

11 Questions 75 Answers 0 Followers

Questions related from Samit Karmakar

Which characterization technique can be helpful to distinguish between different phases of carbon nitride films?

Please provide your opinion on which characterization technique is suitable to identify between different phases (e.g., alpha, beta, cubic, graphitic etc.) of carbon nitride (C3N4) films...

10 May 2021 3,432 5 View

Which function (Gaussian, Lorentzian or others) to consider during peak fitting or performing deconvolution in Origin Plot?

Kindly suggest which function to choose from (e.g., Gaussian, Lorentzian or others) and why, while peak fitting/performing deconvolution for XRD, Raman, XPS data analysis in Origin plot.

27 April 2021 9,854 5 View

What are the significance of components of 2D band observed in Raman spectra for graphene?

Kindly provide insight on the significance of the components of 2D band (e.g., 2D1A, 2D1B, 2D2A, 2D2B) observed in Raman spectroscopy study for graphene.

27 April 2021 9,883 5 View

Can anyone share the Copper-Carbon Phase Diagram?

Kindly share the Cu-C phase diagram and related source/reference of that. It'll be helpful.

01 January 1970 8,003 3 View

Graphene Growth Mechanism

There are different theories of graphene growth by chemical vapour deposition (CVD) techniques (e.g., microwave-CVD, plasma-CVD, thermal-CVD etc.) on a catalytic transition-metal substrate...

01 January 1970 9,925 8 View

Bandgap opening of Graphene and its application as Semi-Conductor.

Dear Researchers, Can you kindly share your opinion on practical feasibility on creating a bandgap in graphene for its application in semi-conducting industry and optoelectronics devices. Does...

01 January 1970 7,803 2 View

Query on Quantum Espresso BURAI GUI

I am facing an error while simulating one defect induced structure of graphene 3x3x1 (I created it using vesta) as shown in attached file. I have considered occupation= 'fixed' as I am expecting a...

01 January 1970 9,861 5 View

Which one is advisable among Acetone, Ethanol and Isopropyl Alcohol for precleaning of substrate materials?

Kindly suggest which one among Acetone, Ethanol and Isopropyl Alcohol is advisable as pre-cleaning agent of substrates (e.g., silicon wafer, target materials etc.).

01 January 1970 8,503 7 View

How to determine avg. domain size value from SEM image for Thin Foil?

I have estimated avg. domain/grain size (D) from Williamson-Hall (W-H) plot for thin foils of copper after heat treatment experiment. I have considered UDM, USDM and UDEDM model for this estimated...

01 January 1970 6,269 8 View

Digital Detoxification for the improvement in Mental and Physical Health

Are there any research study/data related to our daily usage (significantly increased during work from home) of Digital Devices in our day-to-day lives, beyond which it maybe harmful to our mental...

01 January 1970 8,555 3 View

How to distinguish two or more species having same mass in a Quadrupole Mass Analyzer (QMA)?

How to distinguish two or more species having same mass in a Quadrupole Mass Analyzer (QMA)? Are there any way to determine this?

01 January 1970 6,161 2 View