Octahedral tilting in Pb-based relaxor ferroelectrics at high pressure

We have employed a combination of powder neutron diffraction and single‐crystal synchrotron X‐ray diffraction to characterize the pressure‐induced phase transitions that occur in the perovskite‐type relaxor ferroelectric PbSc0.5Ta0.5O3 (PST) and Pb0.78Ba0.22Sc0.5Ta0.5O3 (PST‐Ba). At ambient pressure...

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Veröffentlicht in:	Acta crystallographica. Section B, Structural science Structural science, 2010-06, Vol.66 (3), p.280-291
Hauptverfasser:	Maier, Bernd J., Angel, Ross J., Marshall, William G., Mihailova, Boriana, Paulmann, Carsten, Engel, Jens M., Gospodinov, Marin, Welsch, Anna-Maria, Petrova, Dimitrina, Bismayer, Ulrich
Format:	Artikel
Sprache:	eng
Schlagworte:	Cations Diffraction Ferroelectrics neutron powder diffraction octahedral tilting Order disorder Phase transformations Pressure Reflection relaxor ferroelectrics Relaxors Single crystals Symmetry synchrotron X-ray diffraction Tetrahedra X-rays
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