SYNTHESIS AND CHARACTERIZATION OF Zn1-x-yCdxLiyOδ SOLID SOLUTION

Authors

  • M. Kamruzzaman Department of Physics, Bangladesh University of Engineering and Technology, Dhaka-1000, Bangladesh
  • M. A. S. Karal Department of Physics, Bangladesh University of Engineering and Technology, Dhaka-1000, Bangladesh
  • M. K. R. Khan Department of Physics, University of Rajshahi, Rajshahi-6205, Bangladesh
  • M. M. Rahman Department of Physics, University of Rajshahi, Rajshahi-6205, Bangladesh
  • M. Shahjahan Department of Physics, University of Rajshahi, Rajshahi-6205, Bangladesh
  • M. G. M. Chowdhury Department of Physics, University of Rajshahi, Rajshahi-6205, Bangladesh

Abstract

Zn1-x-yCdxLiyOδ (x=0.30; y=0.05, 0.10, 0.15, 0.20 and δ= 0.975, 0.95, 0.925, 0.90) samples have been prepared by conventional solid state reaction method and studied their electrical, magnetic and structural properties. The dc electrical resistivity measurement shows that all samples are highly resistive (~106 ohm-cm) upto a transition temperature (Tt), above which resistivity falls drastically that reveals the samples are semiconducting in nature and Tt decreases with increase of Li. The activation energies vary from (0.74-0.51) eV depending on doping concentrations, i.e. the activation energy is lower for higher concentration of Li in the solution. Magnetic mass susceptibility measurement shows negative sign that indicate the samples are diamagnetic. From XRD analysis, there exist two phases one is hexagonal ZnO and another is cubic CdO which suggests the formation of superlattice structure of the system. Crystallite size at planes (100), (002), (101), (102), (110), (103), (200), (112) and (111), (200), (220) for ZnO and CdO ranges from 20 to 50 nm and for Li ranges from 27 to 40 nm.

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Published

30-06-2020

How to Cite

[1]
M. Kamruzzaman, M. A. S. Karal, M. K. R. Khan, M. M. Rahman, M. Shahjahan, and M. G. M. Chowdhury, “SYNTHESIS AND CHARACTERIZATION OF Zn1-x-yCdxLiyOδ SOLID SOLUTION”, The Nucleus, vol. 46, no. 1-2, pp. 37–42, Jun. 2020.

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