Kaji, S. ; Oomi, G. ; Eto, T. ; Sampathkumaran, E. V. ; Sundaresan, A. (2006) Effect of pressure on the lattice properties in Eu0.58Sr0.42MnO3 perovskite Journal of Alloys and Compounds, 408-412 . pp. 219-222. ISSN 0925-8388
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.jallcom.2005.04.068
Abstract
The thermal expansion and lattice constants of Eu0.58Sr0.42MnO3 perovskite have been measured at high pressure. It is found that an anomalous expansion due to metal-insulator transition appeared on heating in the temperature dependence of the thermal expansion and its magnitude decreases with increasing pressure. The metal-insulator transition temperature, TM-I, increases with increasing pressure. The lattice constants, a, b, and c are found to decrease with increasing pressure but there is a large anisotropy in the lattice compression. The linear com are extracted to be 1.5, 1.9 and 0.8 × 10-3 GPa-1for a, b and c-axis, respectively.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Manganese Oxide; High Pressure; Thermal Expansion; Phase Transition; X-ray Diffraction |
| ID Code: | 92898 |
| Deposited On: | 06 Jun 2012 13:47 |
| Last Modified: | 06 Jun 2012 13:47 |
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