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Dr. Ahmed Mohamed Amin :: Publications: |
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| Title: | Non-ferroelectric phase transitions in potassium hydrogen sulphate [mercallite, KHSO 4]
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| Authors: | MM Abdel-Kader, A El-Shawarby, WM Housny, ZH El-Tanahy, F El-Kabban |
| Year: | 1994 |
| Keywords: | Not Available |
| Journal: | Not Available |
| Volume: | Not Available |
| Issue: | Not Available |
| Pages: | Not Available |
| Publisher: | Not Available |
| Local/International: | International |
| Paper Link: | Not Available |
| Full paper | Not Available |
| Supplementary materials | Not Available |
| Abstract: |
Abstract Accurate measurements of some electrical properties combined with the differential thermal analysis (DTA) were made from room temperature up to 200 C for single crystals of KHSO 4 (KHS). The data reveal the existence of two (non-ferroelectric) phase transitions around 100 C and 175 C. The first structural phase transition may involve only minor change in atomic positions and therefore it is not easy to detect. The existence of this phase is confirmed by the X-ray diffraction pattern. |
