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https://doi.org/10.1016/j.jpcs.2008.12.008
| Title: | The phase transition in PrGa0.95Mg0.05O3 at elevated temperatures | Authors: | Liu, Z. Shen, Z.X. Ni, Z. Liu, L. Huang, X. Lü, Z. Sui, Y. Su, W. |
Keywords: | A. Ceramic C. Raman spectroscopy D. Electrical conductivity D. Phase transitions D. Thermal expansion |
Issue Date: | Mar-2009 | Citation: | Liu, Z., Shen, Z.X., Ni, Z., Liu, L., Huang, X., Lü, Z., Sui, Y., Su, W. (2009-03). The phase transition in PrGa0.95Mg0.05O3 at elevated temperatures. Journal of Physics and Chemistry of Solids 70 (3-4) : 533-535. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jpcs.2008.12.008 | Abstract: | PrGa0.95Mg0.05O3 was synthesized by a standard solid-state technique, having an orthorhombic structure determined from X-ray diffraction (XRD) data at room temperature. At high temperature, an inflection is found on the Ln σT vs. 1/T curve at about 550 °C. The inflection can also be observed on thermal expansion vs. temperature curve at about 530 °C. Furthermore, the number of Raman modes between 200 and 400 cm-1 decreases and the peak at about 190 cm-1 weakens at about 450 °C. The results indicate a structural transition from orthorhombic to tetrahedral or rhombohedral. © 2008 Elsevier Ltd. All rights reserved. | Source Title: | Journal of Physics and Chemistry of Solids | URI: | http://scholarbank.nus.edu.sg/handle/10635/98308 | ISSN: | 00223697 | DOI: | 10.1016/j.jpcs.2008.12.008 |
| Appears in Collections: | Staff Publications |
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