Dipak Bhowmik

5 Questions 8 Answers 0 Followers

Questions related from Dipak Bhowmik

How the lateral force calibration is done in AFM?

Hello! What is the easiest way to calibrate the lateral force in AFM? I am using JPK Nano wizard AFM instrument. There are several methods in the literature. Can anyone suggest the easiest way to...

14 November 2023 2,577 1 View

What is the reason of flatness of absorption data in UV-visible spectroscopy of muscovite mica below 300 nm wavelength?

I have taken absorption spectra of muscovite mica in UV-visible spectrometer. The absorption is constant (flat) from 200 nm to 300 nm and then falls. What could be the possible reason for this...

04 August 2021 5,236 6 View

In high resolution xps spectra of Si 2p, can Si2p3/2 have less concentration than Si2p1/2?

In a high resolution Si 2p xps peak when peak fit is done, the Si 2p3/2 is less concentrated and Si2p1/2 is more concentrated. Although the difference of their energy is 0.6 eV. will Si 2p3/2...

23 April 2018 2,585 4 View

Does a virgin Si (Si wafers) show hydrophobic or hydrphilic? What is the contact angle of virgin Si surface?

Contact angle of fresh virgin Si.

20 March 2018 1,487 3 View

What is the significance of Negative reflectance?

If I measure the reflectance of Si wafer by UV/Visible spectrometer could the reflectance be negative? I found in a literature where they found negative reflectance for ferite film. They explained...

02 August 2017 6,154 1 View