Rohit Somkuwar

10 Questions 22 Answers 0 Followers

Questions related from Rohit Somkuwar

How to deposit a thin film of BatiO3 and ZnO on different substrates using thermal evaporation?

Commercial nanopowders of ZnO and BaTiO3 are available. Need best references or procedure if thermal evaporation is possible for these materials. Also need to know is this process feasible to...

10 December 2018 9,861 3 View

How to form a thin film of commercially available BaTiO3?

I need to coat a thin film of commercially available BaTiO3 nano particles on a substrate with a good adhesive property! Need to use this film as a piezo film to generate power! Please suggest...

24 January 2018 8,609 4 View

Have anyone tried sputtering of Copper onto Aluminium substrate?

Actually, I am using Aluminium as my substrate and coating Copper using Magnetron Sputtering. But once sputtered Copper will not adhere it permanently. How to make it permanent, as I need to make...

12 June 2017 1,932 11 View

How to dry PDMS once coated on substrate? Need to sputter copper on dry PDMS for using it as electrode.

I have prepared a solution of PDMS, ethyl acetate and ZnO nanoparticles for coating on a copper substrate. I used 10:1 mix of PDMS and its curing agent. The solution is spin-coated on a copper...

02 June 2017 5,370 7 View

I have to measure the displacement of speaker cone with change in signal amplitude and freq.?

Developed an amplifier circuit to power up the speaker with a signal generated from function generator in the audio frequency range with manually changing amplitude and freq. of the signal. Now I...

30 March 2017 9,712 3 View

Using comsol how to simulate a device with movable free part in it?

Say a rectangular box with movable cylindrical roller inside simulated in comsol with a force applied in Z-direction. How to see the movement of inner cylindrical roller in both x and z direction?...

15 March 2017 3,453 0 View

Is it possible to coat layers of piezoelectric and metal on acrylic sheet as substrate?

I have an acrylic sheet of 2mm thickness and I want to use this as a substrate on which piezoelectric material (eg. Barium Titanate, PZT, Zinc oxide or other) and metals (eg. aluminum, steel,...

03 October 2016 1,064 8 View

How to re-use dry silver paste?

I have a dry silver paste in my college laboratory and i need to use it for creating a conductive contact on a substrate. But as this silver paste is completely dry not able to use it. Can anyone...

01 January 1970 10,099 16 View

BaTiO3 reacts with aluminium or copper?

I prepared a sol-gel based BaTiO3 and need to spin coat it on Aluminium and copper substrates. My question is, will sol-gel prepared BaTiO3 reacts with Aluminium and copper substrates? If it...

01 January 1970 7,489 5 View

Which piezoelectric material is readily available in amorphous form? How to prepare the piezo material solution for coating on Al or steel substrate?

Want to prepare a prototype for vibration based energy harvester. But I'm very new in this field, so not able to find the exact procedure for preparing piezoelectric solution and coating methods....

01 January 1970 8,196 4 View