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Information Journal Paper

Title

An Efficient Co-Precipitation Synthesis of BaZr1-xCoxO3 Nanoparticles: Structural, Optical and Magnetic Properties

Pages

  414-428

Abstract

 In this study, BaZr1-xCoxO3 nanoparticles, x = 0. 00, 0. 04, 0. 06, 0. 08, 0. 10 and 0. 20, are synthesized through Co-Precipitation Method. Therefore, structural, optical and Magnetic Properties have been investigated. The cubic perovskite structure is confirmed by X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopic measurements. The average crystallite size and micro strain are calculated by Williamson-hall analysis and they have been found to increase by increasing Co 2+ content. More emphasis is given for the calculation of the optical parameters from UV– visible absorption spectra. The optical bandgap is found to be decreasing; on the other hand Urbach energy increases with the increase in Co 2+ content. The refractive index of the samples obeys the singleoscillator model and the dispersion parameters such as single oscillator energy, dispersion energy, and lattice dielectric constant are calculated and their variations with Co 2+ content are reported. The undoped BaZrO3 Nanoparticles exhibit unexpected superparamagnetic behavior and ferromagnetic hysteresis at room temperature for BaZr1-xCoxO3, x=0. 10 and 0. 20. With increasing in Co 2+ content, the concentration of oxygen vacancies increases and as a result the Magnetic Properties are improved. Thus, the most significant result of the present work is the modification of optical constants and the improvement of Magnetic Properties of BaZrO3 Nanoparticles by partial Co 2+ substitution.

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    • Cite

    APA: Copy

    EL-Said Bakee, D., Sakr, Abdel Hamed, Motaweh, H.A., & El Sokary, W.. (2019). An Efficient Co-Precipitation Synthesis of BaZr1-xCoxO3 Nanoparticles: Structural, Optical and Magnetic Properties. JOURNAL OF NANOSTRUCTURES, 9(3), 414-428. SID. https://sid.ir/paper/731378/en

    Vancouver: Copy

    EL-Said Bakee D., Sakr Abdel Hamed, Motaweh H.A., El Sokary W.. An Efficient Co-Precipitation Synthesis of BaZr1-xCoxO3 Nanoparticles: Structural, Optical and Magnetic Properties. JOURNAL OF NANOSTRUCTURES[Internet]. 2019;9(3):414-428. Available from: https://sid.ir/paper/731378/en

    IEEE: Copy

    D. EL-Said Bakee, Abdel Hamed Sakr, H.A. Motaweh, and W. El Sokary, “An Efficient Co-Precipitation Synthesis of BaZr1-xCoxO3 Nanoparticles: Structural, Optical and Magnetic Properties,” JOURNAL OF NANOSTRUCTURES, vol. 9, no. 3, pp. 414–428, 2019, [Online]. Available: https://sid.ir/paper/731378/en

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