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Titles listThe characterrization of high temperature solution-grown single crystals of Pb(Fe1/2Nb1/2)O3
Titles listThe characterrization of high temperature solution-grown single crystals of Pb(Fe1/2Nb1/2)O3
Scientific Article
unige:30827 
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The characterrization of high temperature solution-grown single crystals of Pb(Fe1/2Nb1/2)O3 |
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| Authors | ||
| Published in | Ferroelectrics. 1981, vol. 37, no. 1, p. 547-550 | |
| Abstract | Polarization microscope studies on single crystal samples of Pb(Fe1/2Nb1/2)O3 (PFN) have been made. Thin platelets (<60 μ) show large, homogeneous ferroelectrics domains, and optical characterization shows that PFN is trigonal at room temperature and optically negative. Birefringence measurements between 4.2 and 400 K reveal that the transition to the cubic structure takes place at 383 K, in accordance with earlier work, but they also locate a previously undetected structural modification at 354 K, accompanied simultaneously by a reorientation of the index ellipsoid; both transitions manifest themselves by endothermic reactions on heating in DTA experiments. The new phase is very likely monoclinic. | |
| Keywords | Ferroelectric domain (in lead iron niobium oxide single crystals) — Birefringence (of lead iron niobium oxide single crystals, structure transition in relation to) | |
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| Full text |
Article (Published version) (274 Kb) - Free access Other version: http://www.tandfonline.com/doi/abs/10.1080/00150198108223482 |
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| Structures | ||
| Project | FNS: 1980 | |
| Citation (ISO format) | BRUNSKILL, Ian Hedley, SCHMID, Hans, TISSOT, Paul. The characterrization of high temperature solution-grown single crystals of Pb(Fe1/2Nb1/2)O3. In: Ferroelectrics, 1981, vol. 37, n° 1, p. 547-550. https://archive-ouverte.unige.ch/unige:30827 |
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