How to get resistance value from Nyquist plot?

I measured resistance of my solid electrolyte with Au as blocking electrode. Real impedance value did not start from zero value, rather higher than zero value. Should I subtract that value of real...

09 October 2013 2,356 18 View

What do the positive values of imaginary part in nyquist plot mean?

Usually when we measure the impedance for solid state electrolytes then they show a semicircle that starts at a high frequency and a line at a low frequency. Semicircle represents the bulk and the...

08 September 2013 1,985 2 View

How can we measure elemental atomic percentage by X-ray photo electron spectroscopy?

I never did XPS before.I want to know that XPS spectra provide directly atomic percentage of all elements in thin film or we have to do some work on spectrum to measure this? What kind of software...

06 July 2013 5,067 15 View

What is the meant by in plane and out of plane crystal growth?

What is the difference between these two?

04 May 2013 7,010 0 View

Can anybody help me in analysing FTIR spectrum of Thin film of LiPON on SiO2 substrate?

I deposited film and got this spectrum. Film is very thin of the order of less than 100nm.I want to confirm the presence of Phosphate group. Can anybody kindly help me in analyzing the spectrum...

04 May 2013 8,011 6 View

How does size of particles effect ionic conductivity in solids?

ionic Conductivity will increase or decrease if we decrease the size of grains(approaching nm) in solids?

03 April 2013 9,899 1 View

How can I measure the thickness of thin film using cross sectional image obtained using SEM?

Is there any software or any other technique?

03 April 2013 681 11 View

For a Li ion thin film electrolyte, is it necessary to get amorphous film for better results, or can we have crystalline film for good result?

In many papers, electrolytes for thin film batteries are amorphous, what is main reason for this?

02 March 2013 8,199 4 View

What is the best precursor as Lithium source for atomic layer deposition?

I want to deposite Li ion battery using ALD technique.Is there any suggestion for lithium precursor?

10 November 2012 9,172 5 View

How to calculate warburg element from equivalent circuit of impedance nyquist plot of cell?

If we measure the conductivity of cell using EIS method then we get a semicircle and a line making some angle with real part of impedance i.e x-axis. I want to calculate the warburg element from...

05 June 2012 2,358 17 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 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

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

24 February 2021 2,362 5 View

How the Ground Plane implantation is performed without damaging (and w/o varying the undoped nature) the top Si (8-10 nm) in FDSOI technology ?

It is a general practice to introduce Ground Plane in FDSOI devices under the BoX. The Ground Planes are introduced by Ion Implantation through Top Si layer and Buried Oxide. I wanted to know that...

24 February 2021 5,974 4 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