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Issue: August 2022

Volume 7 | Issue 8

Impact factor: 8.15

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Paper Title: X-ray powder diffraction study on bulk Cupric Oxide (CuO) below room temperature
Authors Name: Jay Prakash Patel
Unique Id: IJSDR2202002
Published In: Volume 7 Issue 2, February-2022
Abstract: Abstract: The differential scanning calorimetry (DSC) and x-ray powder diffraction (XRD) measurements were carried out on CuO powder samples below room temperature. The DSC measurement unambiguously confirms two magnetic transitions at TN2 ~ 230 K and TN1 ~ 213 K. I reconfirms C2/c space group for CuO at room temperature by the Rietveld analysis of x-ray powder diffraction (XRD) data. The structural analysis proves Cc space group for CuO below TN2 ~ 230 K. The Cc space group is non- centrosymmetric. The magnetic transition below TN2 ~ 230 K breaks inversion symmetry of CuO and induced polarization of ~ 10-1 µC/cm2. The ferroelectric phase again transforms into paraelectric phase below magnetic TN1 ~ 213 K. The x-ray diffraction data collected below 213 K is refined well by C2/c space group. The plot of structural parameters with temperature show clear evidence for ferroelectric transition at TC ~ 230 K.
Keywords: Crystal structure, Ferroelectricity, Magnetism
Cite Article: "X-ray powder diffraction study on bulk Cupric Oxide (CuO) below room temperature ", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.7, Issue 2, page no.18 - 23, February-2022, Available :http://www.ijsdr.org/papers/IJSDR2202002.pdf
Downloads: 000102287
Publication Details: Published Paper ID: IJSDR2202002
Registration ID:193942
Published In: Volume 7 Issue 2, February-2022
DOI (Digital Object Identifier):
Page No: 18 - 23
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631

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