Structural features of the A2TiSi2O8 (A-Ba and Pb) compounds

Structural features of the A2TiSi2O8 (A-Ba and Pb) compounds

X-ray diffraction studies of synthesized Ba2TiSi2O8 have shown that this compound has a fresnoite structure and is characterized by a polar phase P 4bm at room temperature. The synthesis of Pb2TiSi2O8 in the fresnoite phase under the selected synthesis conditions has led to the formation of a perovs...

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Veröffentlicht in:Journal of advanced dielectrics 2020-10, Vol.10 (5), p.2050022-2050022-5
Hauptverfasser: Weber, Svetlana, Lebedinskaya, Alla, Rudsky, Daniil, Kabirov, Yuri, Rudskaya, Anzhela, Kupriyanov, Michael
Format: Artikel
Sprache:eng
Schlagworte:
a2tisi2o8 minerals
ferroics
fresnoite
Lead titanates
Perovskites
Room temperature
structure
Synthesis
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Zusammenfassung:X-ray diffraction studies of synthesized Ba2TiSi2O8 have shown that this compound has a fresnoite structure and is characterized by a polar phase P 4bm at room temperature. The synthesis of Pb2TiSi2O8 in the fresnoite phase under the selected synthesis conditions has led to the formation of a perovskite tetragonal phase P 4mm corresponding to PbTiO3.
ISSN:2010-135X
2010-1368
DOI:10.1142/S2010135X20500228