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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
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- 한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제22권 제3호
- 발행연도
- 2021.1
- 수록면
- 243 - 249 (7page)
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In this paper, optical and ferroelectric properties were investigated for gadolinium, Gd3+ (5 at.%) and chromium, Cr3+ (0?8at.%) co-doped of BiFeO3 . Chemical solution deposition (CSD) method was employed as compatible device fabrication technology to synthesize Gd and Cr co-doped multiferroic BiFeO3 (Bi0.95Gd0.05Fe1?xCrxO3 with x = 0?0.08). X-ray diffraction (XRD) analysis confirmed a well-defined crystalline phase with a tendency towards structural change from rhombohedral to orthorhombic symmetry. Crystallite size was found to reduce substantially from 34 to 13.5 nm with increasing the doping concentration of Cr3+ . The field emission scanning electron microscopy (FESEM) demonstrated a significant reduction in grain size of doped BiFeO3 compared to un-doped one following the trend obtained from XRD results. Ferroelectric nature of samples was obtained from polarization versus electric field measurements. Improved ferroelectric order was displayed in co-doped BiFeO3 with a maximum remnant polarization of 0.23 μ C?cm2 . Diffuse reflectance measurement by UV?Vis?NIR spectroscopy of Gd 3+ and Cr3+ co-doped BiFeO3 has shown a significant reduction in the optical band-gap energy (Eg) to 1.71 eV compared to 2.03 eV of pure BiFeO 3 counterpart.
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참고문헌 (37)
참고문헌 신청
M. M. Rhaman / 2020 / J. Mater. Sci. Mater. Electron 31:8727
M. A. Matin / 2019 / Effect of Preparation Routes on the Crystal Purity and Properties of BiFeO3 Nanoparticles / Transactions on Electrical and Electronic Materials 20(6):485~493
D. Ginley / 2008 / MRS Bull 33:355
I. Gur / 2005 / Science 310:462
B. O’Regan / 1991 / Nature 353:737
M. A. Matin / 2019 / Effect of Preparation Routes on the Crystal Purity and Properties of BiFeO3 Nanoparticles / Transactions on Electrical and Electronic Materials 20(6):485~493
D. Ginley / 2008 / MRS Bull 33:355
I. Gur / 2005 / Science 310:462
B. O’Regan / 1991 / Nature 353:737
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