Structural polymorphism in multiferroic BiMnO3 at high pressures and 
temperatures

Kozlenko, D.P.; Dang, N.T.; Jabarov, S.H.; Belik, A.A.; Kichanov, S.E.; Lukin, E.V.; Lathe, Christian; Dubrovinsky, L.S.; Kazimirov, V.Yu.; Smirnov, M.B.; Savenko, B.N.; Mammadov, A.I.; Takayama-Muromachi, E.; Khiem, L.H.

doi:10.1016/j.jallcom.2013.10.020

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Structural polymorphism in multiferroic BiMnO3 at high pressures and temperatures

Urheber*innen

Kozlenko, D.P.
External Organizations;

Dang, N.T.
External Organizations;

Jabarov, S.H.
External Organizations;

Belik, A.A.
External Organizations;

Kichanov, S.E.
External Organizations;

Lukin, E.V.
External Organizations;

/persons/resource/lathe

Lathe, Christian
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Dubrovinsky, L.S.
External Organizations;

Kazimirov, V.Yu.
External Organizations;

Smirnov, M.B.
External Organizations;

Savenko, B.N.
External Organizations;

Mammadov, A.I.
External Organizations;

Takayama-Muromachi, E.
External Organizations;

Khiem, L.H.
External Organizations;

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Zitation

Kozlenko, D., Dang, N., Jabarov, S., Belik, A., Kichanov, S., Lukin, E., Lathe, C., Dubrovinsky, L., Kazimirov, V., Smirnov, M., Savenko, B., Mammadov, A., Takayama-Muromachi, E., Khiem, L. (2014): Structural polymorphism in multiferroic BiMnO3 at high pressures and temperatures. - Journal of Alloys and Compounds, 585, 741-747.
https://doi.org/10.1016/j.jallcom.2013.10.020

Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_321313

Zusammenfassung

Structural phase transitions in BiMnO3 were studied by means of energy-dispersive X-ray diffraction in the pressure 0–4 GPa and temperature 300–900 K ranges, and also by means of angle-dispersive X-ray diffraction and Raman spectroscopy at high pressures up to 50 GPa and ambient temperature. The P–T phase diagram of BiMnO3 was constructed. A suppression of the transition temperatures between monoclinic C2/c and orthorhombic Pnma phases was observed under pressure. The temperature and pressure dependencies of lattice parameters were obtained. A new orthorhombic Imma phase was observed at P > 20 GPa. The lattice dynamics calculations were performed for the analysis of the Raman spectra of BiMnO3.