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Questions related from Sachin Kumar
# crystallite is the part of the crystal which coherently diffracts the X-rays falling on them. # A ferroelectric domain is the part of the material in which all the polarization vectors are...
04 April 2019 7,729 9 View
I want to perform baseline correction for a raman data. Which kind of baseline correction is the best for Raman? I am using origin. Should I pick up the random baseline points and subtract it or...
12 December 2018 1,320 0 View
# Barium Titanate (BT) is tetragonal at room temperature. # XRD, Raman and numerous other studies show that BT becomes cubic when Zirconium or tin is substituted at titanium site minimum by 20%. #...
12 December 2018 621 3 View
What does it mean by the softening of a phonon mode? In the available literature i have interpreted two definitions - # 1. Softening of a mode means the phonon peak becomes smaller and broader. #...
11 November 2018 5,032 2 View
# Band gap of ZnO is 3.37eV which corresponds to an emission of 378nm. # Co-doped ZnO nano rods give an emission at 330nm. # This is not a confinement effect as the average diameter of the rods is...
05 May 2017 8,297 7 View
In fact, i want to know that before and after the permittivity peak(curie temp.) permittivity Vs time curve shows very low permittivity as compared to the peak value both before and after curie...
03 March 2017 9,405 2 View
I am preparing Ni doped BT by sol-gel method. i dissolved Ni nitrate and barium acetate in acetic acid. in case of small quantity of Nickel nitrate it is dissolving properly but in case of high...
03 March 2017 2,931 3 View
