Arya J S

4 Questions 3 Answers 0 Followers

Questions related from Arya J S

What can be the major reason for dissimilarity in SAED (bright spots, crystalline) and XRD (no sharp peaks) patterns?

My sample shows bright spots and thereby crystalline nature as per the SAED (Selected Area Electron Diffraction) Pattern. However, it is not showing any sharp peaks in the XRD pattern to comment...

20 July 2021 5,622 3 View

Is it possible to get amorphous nature from the SAED pattern ( diffused rings) and lattice fringes from the TEM image for the same sample?

For my sample, diffused rings are observed in SAED pattern which is due to the amorphous nature of the sample. In XRD also, amorphous nature is reflected by the presence of broad peaks. But, in...

11 June 2019 7,501 8 View

Excimer emission of pyrene will depend upon excitation wavelength?

As the excitation wavelength changes, excimer emission wavelength of pyrene will change or not?

03 December 2018 7,127 1 View

What is the actual meaning of negative and positive dielectric constants ?

How the dielectric constant affects the polarizability of a material

30 December 2017 6,896 4 View