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

09 October 2015 5,073 11 View

How can one calculate the lattice parameters from XRD patterns?

02 March 2015 1,473 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.

03 April 2014 9,150 2 View

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

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08 September 2013 6,654 3 View

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

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

07 August 2012 3,623 16 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?

07 August 2012 8,468 0 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.

06 July 2012 805 9 View

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

Thanks in advance.

06 July 2012 1,579 17 View

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

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

05 June 2012 7,244 6 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

How to model the battery pack in PSIM or PSCAD?

Hello, I have simulated a single battery cell using Thevenin equivalent circuit. For a battery pack, I have a large number of cells connected in series and parallel connections. Is there any way...

28 February 2021 2,116 1 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

What information can be had from raman at higher wavenumber?

i have recorded raman spectra of strontium oxide thin film. the spectra were recorded in the range 400 to 4000 cm-1. i have reference to peaks upto 1000cm-1. but i couldn't find literature for...

26 February 2021 2,499 1 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

How can I find a Raman spectrum wavenumber corresponding to what compound?

I have several Raman spectra with very distinct peaks at certain wavenumbers, such as 277, 359, 466, 583, 623, 686, and 795cm-1. How can I identify them to what compound(s)? The RRUFF and others...

24 February 2021 363 3 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View