Yellareswara Rao K

10 Questions 25 Answers 0 Followers

Questions related from Yellareswara Rao K

Is it possible to take NMR spectra of thin film samples deposited on silicon.?

Dear sir/Madam, I am depositing battery electrode materials (Lithium chromium oxide) in thin film form. I want to study the NMR spectra of these samples and correlate their electrochemical...

07 July 2018 8,804 1 View

Does the surface roughness of the sputtering target affect the deposition rate of thin film?

I am trying to deposit ceramic oxide thin films from Lithium cobalt oxide target having difference roughness. Thanks

10 October 2015 5,138 11 View

How can one calculate the lattice parameters from XRD patterns?

I am trying to calculate the lattice parameters of 1. platinum thin film (FCC) ? 2. LiCoO2 thin film (hexagonal structure) ? Does the procedure depend on the type of material such as metal, semi...

03 March 2015 1,555 5 View

Why does the intensity (CPS) of the peaks of constituent element increases after sputter etching the surface of thin films except the carbon peaks??

I want to know what is happening at the surface at the atomic scale which facilitates a rise in intensity. Thank you.

04 April 2014 9,208 2 View

How accurate is the XPS compositional analysis when compared to ICP OES compositional analysis of Lithium Manganese Oxide (Li2MnO3) powder?

09 September 2013 6,728 3 View

What is the purpose of the HOLDING TIME option during chronopotentiometry while testing of the half cells of LiCoO2?

I am testing using CHI 660C model electrochemical work station then I am getting discharge capacity more than the charging capacity? How is that possible?

08 August 2012 8,536 0 View

What is C-rate in case of testing Li ion cells?

Relation between C-rate and current used for discharging the cell.

08 August 2012 3,698 16 View

How can we clean platinum or gold coated silicon wafers for thin film deposition?

Thanks in advance.

07 July 2012 1,896 17 View

How can we manipulate the grain size of Tin (sn) thin film deposited by thermal evaporation technique?

I need to deposit a thin film of Tin (Sn) with grain size less than 300 nm.

07 July 2012 877 9 View

How does the purity of Lithium Cobalt Oxide cathodes for Li ion batteries effect the rate capability and cycle life?

06 June 2012 7,313 6 View