Infrared and magnetic characterization of the multiferroic Bi2FeCrO6 thin films in a broad temperature range

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dc.creatorKamba, S.
dc.creatorNuzhnyy, D.
dc.creatorNechache, R.
dc.creatorZaveta, K.
dc.creatorNiznansky, D.
dc.creatorSantava, E.
dc.creatorHarnagea, C.
dc.creatorPignolet, A.
dc.date2007-12-21
dc.date.accessioned2026-07-07T12:24:06Z
dc.date.available2026-07-07T12:24:06Z
dc.descriptionInfrared reflectance spectra of an epitaxial Bi2FeCrO6 thin film prepared by pulsed laser deposition on LaAlO3 substrate were recorded between 10 and 900 K. No evidence for a phase transition to the paraelectric phase was observed, but some phonon anomalies were revealed near 600 K. Most of the polar modes exhibit only a gradual softening, which results in a continuous increase of the static permittivity on heating. It indicates that the ferroelectric phase transition should occur somewhere above 900 K. Magnetic measurements performed up to 1000 K, revealed a possible magnetic phase transition between 600 and 800 K, but the exact critical temperature cannot be determined due to a strong diamagnetic signal from the substrate. Nevertheless, our experimental data show that the B-site ordered Bi2FeCrO6 is one of the rare high-temperature multiferroics.
dc.descriptionsubm. to PRB
dc.identifierhttps://arxiv.org/abs/0712.3645
dc.identifierhttp://arxiv.org/abs/0712.3645
dc.identifierPhys. Rev. B 77, 104111 (2008)
dc.identifierdoi:10.1103/PhysRevB.77.104111
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214218
dc.subjectMaterials Science
dc.titleInfrared and magnetic characterization of the multiferroic Bi2FeCrO6 thin films in a broad temperature range
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