Nirmalya Sankar Das

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Questions related from Nirmalya Sankar Das

Is there any particular definition of "Seminar" provided by UGC or national funding agencies in India?if so, is there any reference ?

What is a seminar? What is its definition in India? Is there any documented reference about the definition of seminar?

04 April 2016 555 1 View

Field emission of mixed nanostructures(NPs and nanorods of same material) showing different trend at high and low field ?

I am observing the field emission property of an oxide sample. The sample has both nanoparticles and nanorods of same material. The samples having maximum nanorods and minimum NPs showing best...

11 November 2014 8,758 3 View

Does FWHM value vary due to instrument/measurement error?

Does FWHM value (or Crystallite size) vary significantly if the instrument error/measurement errors are neglected? Is it appropriate to use Gaussian or Lorentzian function in XRD peak to evaluate...

09 September 2014 7,499 8 View

Why does the relative intensity of RAMAN peaks (1LO,3LO) changes after attachment to different nanostructure?

I have synthesized 2 sulfide nanoparticle samples in same run. One sample is NPs on a bare substrate, 2nd sample is the same NPs on a different nanostructure. The relative peak intensity between...

07 July 2014 9,395 3 View

Is there any reliable method other than BET measurement to determine the porosity of nanostructures?

For example if my thin film sample is made of nanostructures and those structures are porous, how to calculate the porosity? Is BET measurement a must?

06 June 2014 6,690 3 View