Gokul Krishna

5 Questions 6 Answers 0 Followers

Questions related from Gokul Krishna

Can Raman spectroscopy be used to find the structure of thin films? If so how does one go about doing it?

I'm working on thin films of GeTe. I wanted to know if I can understand its structure just from Raman spectra, as all its structures have some overlapping peaks in the XRD.

15 November 2022 7,913 9 View

How do I distinguish GaN deposited side on a transparent SiC wafer?

I had given GaN deposited SiC wafer for manual dicing, but after getting it back I am confused about which side the GaN is now on. Is there an easy way to determine this?

22 November 2021 8,175 3 View

Is there a way to distinguish between hBN flakes and Graphite flakes just by optical microscope?

I recently got used some stock wafers of full of graphite and hBN flakes from a lab-mate. Unfortunately the labels on them got erased. I therefore wanted to know if I could categorize the wafers...

17 November 2021 986 4 View

In crystal growth, What is the mechanism of growth of microfibres?

I have been trying to grow bulk crystals via chemical vapour transport for two months now. And in my latest result after keeping them in the furnace for 72 hrs, I got micro fibres instead of...

20 July 2021 253 2 View

Why do excess substance from transport agents during vapour based crystal growth make ripple like patterns on the crystals?

I was doing crystal synthesis of MoSe2 via chemical vapour transport. And after a 12 hr period, I got thin flakes of MoSe2. But on closer examination, I found clump like deposits, which were...

01 July 2021 8,149 9 View