Chandra, Amreesh ; Pandey, Dhananjai ; Tyagi, A. K. ; Mukherjee, G. D. ; Vijayakumar, V. (2007) Phase transition in disordered ferroelectric ceramic Pb0.70Ca0.30TiO3 under pressure Applied Physics Letters, 90 (14). 142903_1-142903_3. ISSN 0003-6951
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Official URL: http://apl.aip.org/resource/1/applab/v90/i14/p1429...
Related URL: http://dx.doi.org/10.1063/1.2719021
Abstract
Pressure dependent synchrotron x-ray diffraction studies on Pb0.70Ca0.30TiO3 (PCT30) ferroelectric ceramic reveal a crossover in the nature of phase transition from first order nature observed at ambient pressures to second order at high pressures. It is shown that Ca2+ doping affects the transition temperature but does not change the transition pressure of PbTiO3 significantly. The values of bulk modulus and its pressure derivative are also given in this letter.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| ID Code: | 27263 |
| Deposited On: | 10 Dec 2010 12:52 |
| Last Modified: | 05 Mar 2011 09:36 |
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