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Influence of rare-earth substitution on the structural, magnetic, optical and dielectric properties of ZnO nanoparticles

Published online by Cambridge University Press:  05 February 2019

Ricardo Martínez*
Affiliation:
Department of Physics, University of Puerto Rico, Rio Piedras, San Juan, PR, 00931, USA
Claudia Zuluaga
Affiliation:
Department of Physics, University of Puerto Rico, Rio Piedras, San Juan, PR, 00931, USA
Sandra Dussan
Affiliation:
Department of Physical Sciences, University of Puerto Rico, Río Piedras, San Juan, PR, 00931-3323USA
Hannu Huhtinen
Affiliation:
Wihuri Physical Laboratory, Department of Physics and Astronomy, University of Turku, Turku FIN-20014, Finland
Wojciech Jadwisienczak
Affiliation:
School of Electrical Engineering and Computer Science, Ohio University, Stocker Center, Athens, 45701, USA
Ratnakar Palai
Affiliation:
Department of Physics, University of Puerto Rico, Rio Piedras, San Juan, PR, 00931, USA
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Abstract

We report on structural, magnetic, optical, and dielectric properties of rare earth (Er and Yb)-doped ZnO nanoparticles with Na-co-doping for charge compensation by sol-gel process. The effect of doping concentration on the structural and dielectric properties of ZnO has been studied under magnetic field and UV excitation. The magnetodielectric and photodielectric effects at room temperature of doped ZnO are discussed in the light of magnetic and optical properties of Er3+ and Yb3+ ions.

Type
Articles
Copyright
Copyright © Materials Research Society 2019 

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References

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