Magnetic and multiferroic properties of dilute Fe-doped BaTiO3 crystals

Staruch, M, ElBidweihy, H, Cain, MG ORCID: 0000-0002-8413-3104, Thompson, P ORCID: 0000-0002-9697-6141, Lucas, CA ORCID: 0000-0001-5743-3868 and Finkel, P
(2020) Magnetic and multiferroic properties of dilute Fe-doped BaTiO3 crystals. APL Materials, 8 (3). 031109-.

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Combining and coupling both magnetic and electric properties in one single phase multiferroic material has attracted high interest recently to enable a broad range of novel devices and applications. To evaluate one potential route toward new multiferroics, we have studied 0.5% Fe-doped BaTiO3 single crystals and measured the ferroelectric, magnetic, and multiferroic properties. X-ray absorption spectroscopy shows the presence of Fe3+, and magnetic measurements confirmed that this has a significant impact on the magnetic properties. Doping of iron introduces paramagnetism from lone iron atoms as well as what appears to be a weak ferromagnetism. Multiferroicity and magnetoelectric (ME) coupling were observed in the polarization-electric field hysteresis loops with an applied magnetic field, yet there was no direct evidence that ME coupling persists when the sample was in the defect dipole-aligned state.

Item Type: Article
Depositing User: Symplectic Admin
Date Deposited: 23 Mar 2020 12:12
Last Modified: 14 Mar 2024 21:39
DOI: 10.1063/5.0002863
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