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Questions related from Shaikat Debnath
For a grid connected BESS (lets say 100 MW/200 MWh system, LFP battery), if we charge the BESS in such a way that whenever we can access power from the solar that will charge the BESS. Hence it...
02 August 2024 9,849 7 View
I did the DOS calculation of a compound. The up-spin states of that material is different than the down-spin states. What does it indicate? Thank you in advance for your kind suggestion.
01 September 2022 9,029 3 View
For example, if the inverter is fed with a 100 kW DC battery and the inverter has to run with 0.9 power factor, it will produce 90 kW of AC power, and the rest 10 kVAr (assuming 100% efficiency of...
12 October 2021 5,860 9 View
I can find graphite in materials stuido's library. But nothing regarding borophene. It would be great if anybody can help. Thank you in advance
20 May 2019 5,977 4 View
I am looking for data on 7 atoms Li and Na of D5h symmetry's binding energy, ionization potential, electron affinity and homo-lumo gap. If anyone can help me here, it would be really greatThanking...
14 May 2015 1,282 2 View
I want to calculate the dielectric function and optical conductivity of Al and Cu and some of their alloys. Now, for that I had chosen a 13 atoms icosahedral strcuture of Al and Cu. But I think,...
27 February 2015 5,214 1 View
I need to know the spin multiplicity, binding energy, ionization potential, electron affinity homo-lumo gap and optical absorption in eV/Hz of 13 atoms Al and Cu clusters of icosaheron symmetry....
09 February 2015 7,357 1 View
I am only aware of doping into an intrinsic semiconductor. Most probably doping into a metal conductor (lets say silver/aluminium/copper): does it actually make any sense? Just want to know. Any...
23 January 2015 4,711 4 View
I want to know the potential of a nano-alloy for solar cell and catalysis application. I don have any experimental set up and can only do DFT calculations. So, I have picked a 7 atoms structure of...
09 January 2015 7,513 1 View
I need to know the binding energy, vertical ionization potential, vertical electron affinity and homo-lumo gap of 7 atoms lithium clusers of decahedral shape, both the theoretical and experimental...
26 November 2014 1,168 2 View
In my DFT calculation of a 13-atom bimetallic cluster, I have got the HOMO energy is higher than the LUMO energy, resulting negative HOMO-LUMO gap. It is reported that stable structures have...
14 October 2014 9,434 10 View
My jpg images are of 92 dpi, but I need to change it to 300 and 600 dpi. Can anyone please tell me how I can do this?
20 June 2014 8,844 13 View
I want to store Sodium and to keep it free from oxygen, need to put it inside of mineral oil. So, can anyone please suggest me which specific mineral oil I should choose and any suggestion on...
10 February 2014 7,429 1 View
Sodium oxide nano-spheres of 100-120 nm diameter, do they have any importance in any application?
01 January 2014 9,500 0 View
I want to get sodium from Sodium Azide. So, if I heat it up to its decomposing temp 300 C, will I get pure sodium and Nitrogen gas will go away?
28 December 2013 8,916 3 View
I am working with 13 atom Icosahedral Ag cluster. The prime attraction force among these 13 atoms that keep them together is metal-metal bond, but is there any van der waals force also involved in...
08 December 2013 1,489 5 View
Nanoclusters can be of different shapes. Which shapes have been verified as the stable shape of Sodium nano-clusters in between 10-100 atoms? About the Ag-Na or, Au-Na alloys, which shapes are...
13 November 2013 4,434 0 View
With a nano-colloid maker device, I want to explode a sodium wire in an Argon environment. The supply voltage might be around 25KV for few microseconds. Might there be any risk of hazard?
05 November 2013 6,566 1 View
Calculations show that even if I make the vacuum chamber as low pressure as 10^-8 atm, still there is lots of oxygen. Can anyone suggest any chemical/any other process to make the inside of a...
30 October 2013 1,431 21 View
