Abstract:
:We investigated in this paper a novel bilayer composite obtained by sol-gel and spin coating of the ferroelectric 0.92Na0.5Bi0.5TiO3-0.08BaTiO3 (abbreviated as BNT-BT0.08) and ferromagnetic CoFe2O4 phases, for miniature low-frequency magnetic sensors and piezoelectric sensors. This heterostructure, deposited on Si-Pt substrate (Si-Pt/CoFe2O4/BNT-BT0.08), was characterized using selected method such as: X-ray diffraction, dielectric spectroscopy, piezoelectric force microscopy, SQUID magnetometry, atomic force microscopy/magnetic force microscopy, and advanced methods of transmission electron microscopy. CoFe2O4/BNT-BT0.08 ferromagnetic-piezoelectric thin films show good magnetization, dielectric constant and piezoelectric response. The results of analyses and measurements reveal that this heterostructure can have applications in high-performance magnetoelectric devices at room temperature.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Cernea M,Vasile BS,Surdu VA,Trusca R,Bartha C,Craciun F,Galassi Cdoi
10.1038/s41598-018-36232-3subject
Has Abstractpub_date
2018-12-14 00:00:00pages
17883issue
1issn
2045-2322pii
10.1038/s41598-018-36232-3journal_volume
8pub_type
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