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INTERNATIONAL JOURNAL OF SCIENTIFIC DEVELOPMENT AND RESEARCH International Peer Reviewed & Refereed Journals, Open Access Journal ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016 open access , Peer-reviewed, and Refereed Journals, 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: | 000337212 |
| 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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