Cobalt-Doped ZnO Powders by a Simple Solid-State Method

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Cobalt-doped ZnO powders with various dopant concentrations were synthesized using a simple-solid method. ZnO and Co3O4 powders were employed as the precursors. The powders were annealed at 500 - 900 °C in air. The crystal structural and magnetic properties were studied by means of XRD and VSM, respectively. The XRD patterns show the hexagonal wurtzite structure of the powders. The magnetic measurements by H-M loops reveal the combination of paramagnetism and ferromagnetism as well as the influence of Co dopant to magnetic properties of Zn1-xCoxO.

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Key Engineering Materials (Volumes 675-676)

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486-489

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January 2016

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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[1] H. Huang, S. Chu, P. Kao, Y. Chen, M. Yang, Z. Tseng, Enhancement of hole-injection and power efficiency of organic light emitting devices using an ultra-thin ZnO buffer layer, J. Alloys Compd. 479 (2009) 520-524.

DOI: 10.1016/j.jallcom.2008.12.122

Google Scholar

[2] B. Kulyk, Z. Essaidi, V. Kapustianyk, B. Turko, V. Rudyk, M. Partyka, M. Addou, B. Sasraoui, Second and third-order nonlinear optical properties of nanostructured ZnO thin films deposited on a-BBO and LiNbO3, Opt. Commun. 281 (2008) 6107-6111.

DOI: 10.1016/j.optcom.2008.09.022

Google Scholar

[3] S. J. Pearton, C. R. Abernathy, M. E. Overberg, G. T. Thaler, D. P. Norton, N. Theodoropoulou, A. F. Hebard, Y. D. Park, F. Ren, J. Kim and L. A. Boatner, Wide band gap ferromagnetic semiconductors and oxides, J. Appl. Phys. 93 (2003) 1-21.

DOI: 10.1063/1.1517164

Google Scholar

[4] X. Xu, C. Cao, Structure and ferromagnetic properties of Co-doped ZnO powders, J. Magn. Magn. Mater. 321 (2009) 2216-2219.

DOI: 10.1016/j.jmmm.2009.01.017

Google Scholar

[5] C.N.R. Rao, F.L. Deepak, Absence of ferromagnetism in Mn- and Co-doped ZnO, J. Mater. Chem. 15 (2005) 573-578.

DOI: 10.1039/b412993h

Google Scholar

[6] S. A. Ansari, A. Nisar, B. Fatma, W. Khan, A.H. Naqvi, Investigation on structural, optical and dielectric properties of Co doped ZnO nanoparticles synthesized by gel-combustion route, Mat. Sci. Eng: B 177 (2012) 428-435.

DOI: 10.1016/j.mseb.2012.01.022

Google Scholar

[7] S. Benramache, H. B. Temam, A. Arif, A. Guettaf, O. Belahssen, Correlation between the structural and optical properties of Co doped ZnO thin films prepared at different film thickness, Optik. 125 (2014) 1816-1820.

DOI: 10.1016/j.ijleo.2013.09.024

Google Scholar

[8] Y. Caglar, Sol–gel derived nanostructure undoped and cobalt doped ZnO: Structural, optical and electrical studies, J. Alloys Compd. 560 (2013) 181-188.

DOI: 10.1016/j.jallcom.2013.01.080

Google Scholar

[9] N. Mohamed Basith, J. Judith Vijaya1, L. John Kennedy, M. Bououdina, S. Jenefar, V. Kaviyarasan, Co-Doped ZnO Nanoparticles: Structural, Morphological, Optical, Magnetic and Antibacterial Studies, J. Mater. Sci. Technol. 30(2014), 1108-1117.

DOI: 10.1016/j.jmst.2014.07.013

Google Scholar

[10] X. Xu, C. Cao, Structure and ferromagnetic properties of Co-doped ZnO powders, J. Magn. Magn. Mater. 321 (2009) 2216-2219.

DOI: 10.1016/j.jmmm.2009.01.017

Google Scholar

[11] F. Ahmed, S. Kumar, N. Arshi, M. S. Anwar, B. H. Koo, C. G. Lee, Doping effects of Co2+ ions on structural and magnetic properties of ZnO nanoparticles, Microelectron. Eng. 89 (2012) 129-132.

DOI: 10.1016/j.mee.2011.03.149

Google Scholar

[12] L.B. Arruda, D.M.G. Leite, M.O. Orlandi, W.A. Ortiz, P.N.L. Filho, Sonochemical Synthesis and Magnetism in Co-doped ZnO Nanoparticles, J. Supercond. Nov. Magn. 26 (2013) 2515-2519.

DOI: 10.1007/s10948-012-1417-4

Google Scholar