13 Questions 35 Answers 0 Followers
Questions related from R. Rajesh
Dear Researchers, I am trying to refine the BiFeO3 neutron diffraction data using GSAS-II, how i am unable to reduced the chi square. In XRD it crystallizes in R3c phase with reduced chi square of...
19 October 2023 6,518 4 View
Dear Professor, Currently, I am using GSAS II for Rietveld refinement analysis in Windows 8.1 OS. While I am working in ISODISTORT distortion modes, after the creation of file_child, the GM values...
26 July 2022 3,965 2 View
Respected researchers, I am attaching herewith an M_H curve. Here the sample may possess both FM and AFM/PM behaviours. In order to identify the contribution of both magnetic behaviours, I used...
21 September 2021 8,494 3 View
we measure the polarization response against the electric field at lower frequencies for BiFeO3 samples (10,20,50, 100 Hz). we get a linear response. we would like to stimulate the...
02 July 2020 8,604 0 View
Dear researchers, as I am new to DFT theory, I try to find the density of states and band structure using quantum espresso with Burai. However, I am unable to converge the band structure of...
02 July 2020 2,213 14 View
Can any one help me to calculate the electron density values using Dysnomia of pervoskite metal oxide (Eg: BiFeO3) if iam having output files such as *.cif, *.exp, etc.., Thanks in advance
25 March 2020 9,454 3 View
respected researchers, How to convert the Bohr magneton per formula unit in to Bohr magnetron per Fe3+ ion. for example if you take BiFeO3, From theortical calculation, if we take spin only...
02 July 2018 1,657 7 View
Respected researchers, how to prove the net magnetization is intrinsic from temperature dependent magnetization (2K - 380K) studies of divalent (Sr)doped bismuth ferrite when a field of 1000Oe is...
19 April 2017 1,817 3 View
Respected researcher, while examine the BiFeO3 X-ray pattern in Xpert Pro plus, my pattern well counterparts with R-3m phase (space group 166). for reitveld refinement, i am in need of CIF File in...
12 July 2016 6,623 11 View
Respected researchers, I am doing impedance studies in bulk samples. now I arrive impedance, admittance, electric modulus and relative permittivity from the datas measured. from Jonscher’s law ,...
25 November 2015 6,930 2 View
For example, if we take the FTIR result of BiFeO3 powder sample, I get peaks at 449.80cm-1 & 593.14cm-1 which conforms the presence of O - Fe - O bending mode and Fe - O stretching mode ( Ref:...
09 October 2014 5,244 10 View
From the data of wavenumber vs absorbance from FTIR, i find that there are some peaks. from that, the wavelength and angular frequency of the BiFeO3 are calculated , also mass of the Bi, Fe and O...
14 September 2014 7,823 1 View
I am using GSAS II and GSAS I for reitveld refinement. How can I print the hkl values in ouput curves (pdf format) after refinement in GSAS II since the output curve doesn't contain information...
11 September 2014 8,115 5 View