Khursheed Parrey

4 Questions 7 Answers 0 Followers

Questions related from Khursheed Parrey

Could we determine the Exciton binding energies from the knowledge of dielectric constant??

Utilizing the knowledge of experimentally measured permitivity of the Organic Inorganic tri-halide perovskites, could we find out the Exciton Binding Energy and effective exciton reduced mass?...

05 July 2019 1,217 5 View

Does low Energy gap semiconductors show some dielectric properties??

Generally Substances with a forbidden band widths Wg < 2eV are considered to be semiconductors while those substances for which Wg > 3eV belong to dielectrics. Now, the question goes like if...

08 April 2019 3,925 4 View

Does X-ray diffraction measurement characterize the point or the plane any particular sample??

While performing X-Ray diffraction measurement, which of the following is true (1) the diffraction from only a point structure on the sample is characterized (2) diffraction from an area is...

18 October 2018 1,849 3 View

How long a material continues to be in one particular phase after transformation from one phase to the other with temperature??

If any compound is in one phase at room temperature and then attains some other phase at elevated temperature (say 350 ℃), then does that material continue to be in that second phase or will it...

18 October 2018 2,206 1 View