Magnetic and electrical properties of CuFe2O4/BaTiO3 bilayer thin films

Title
Magnetic and electrical properties of CuFe2O4/BaTiO3 bilayer thin films
Author(s)
이희영윤동진황성옥구창영이재열류정호[류정호]
Keywords
MULTIFERROIC PROPERTIES; DIELECTRIC-PROPERTIES; COMPOSITES
Issue Date
201304
Publisher
KOREAN PHYSICAL SOC
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.62, no.7, pp.1060 - 1064
Abstract
The magnetic and the electrical properties of CuFe2O4/BaTiO3 thin films grown on highly-textured Pt(111)/TiO2/SiO2/Si(100) substrates were studied. Sintered BaTiO3 and CuFe2O4 pellets prepared by the conventional mixed oxide process were used as targets during deposition by using the ion-beam sputtering and the pulsed laser deposition techniques. The film structure is of a bilayer type, where the BaTiO3 layer lies underneath the CuFe2O4 layer. The CuFe2O4/BaTiO3 film stack was then annealed at a temperature between 700 and 750 A degrees C, followed by either FC (fast-cooling) or SC (slow-cooling) treatment. The ferroelectric and the electrical properties were measured using a ferroelectric test system, a digital multimeter, and an impedance analyzer. The Magnetic hysteresis (M-H) behavior at room temperature was measured using a vibration sample magnetometer (VSM), and the maximum saturation magnetization (M (s) ) and coercivity (H (c) ) values were 700 emu/cm(3) and 325 Oe, respectively.
URI
http://hdl.handle.net/YU.REPOSITORY/26072http://dx.doi.org/10.3938/jkps.62.1060
ISSN
0374-4884
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공과대학 > 신소재공학부 > Articles
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