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Structure of ferroelectric Pb5Al3F19 at 160 K, polarization reversal and relationship to ferroelectric Pb5Cr3F19 at 295 K

✍ Scribed by Sarraute, S. ;Ravez, J. ;Von der Mühll, R. ;Bravic, G. ;Feigelson, R. S. ;Abrahams, S. C.


Book ID
114515153
Publisher
International Union of Crystallography
Year
1996
Tongue
English
Weight
630 KB
Volume
52
Category
Article
ISSN
0108-7681

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Crystal Structure of Ferroelastic Pb5Al2
✍ Georges Bravic; Régnault von der Mühll; Jean Ravez 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 275 KB

Five di4erent phases of Pb 5 Al 3 F 19 ([I] to [V]) occur on cooling. The ferroelastic one [III] was stabilized at room temperature by a low rate of Cr+Al substitution. The structure was determined by X-ray di4raction analysis on a single-domain crystal. The symmetry is triclinic, P1 , with cell par