FIRST-PRINCIPLES AND EXPERIMENTAL STUDY ON THE ELECTRONIC AND OPTICAL PROPERTIES OF Eu DOPED ZnO STRUCTURE

LI Honglin; ZHANG Zhong; LU Yingbo; HUANG Jinzhao; LIU Ruxi

doi:10.3724/SP.J.1037.2012.00667

Acta Metall Sin >

2013 , Vol. 29 >Issue 4: 506 - 512

DOI: https://doi.org/10.3724/SP.J.1037.2012.00667

FIRST-PRINCIPLES AND EXPERIMENTAL STUDY ON THE ELECTRONIC AND OPTICAL PROPERTIES OF Eu DOPED ZnO STRUCTURE

LI Honglin ,
ZHANG Zhong ,
LU Yingbo ,
HUANG Jinzhao ,
LIU Ruxi

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1) School of Physics and Technology, University of Jinan, Jinan 250022
2) School of Space Science and Physics, Shandong University at Weihai, Weihai 264209

Received date: 2012-11-07

Revised date: 2013-02-27

Online published: 2013-04-11

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Abstract

Pure and Eu doped ZnO were calculated by first-principles full potential linearized augmented plane wave ultra-soft pseudo-potential method to investigate band structures, density of states (DOS) and optical properties of the structures. The results show that the conduction bands generate conductive carriers introduced by impurity atom of Eu. The electrical conductivity of the system is improved and the Fermi levels shift upward into the conduction band and show n-type conductivity. The absorption coefficient of Eu doped ZnO are higher than that of pure ZnO in low energy region. In the experiment part, pure and Eu doped ZnO powder were prepared through sintering method and the corresponding properties of the samples were investigated by XRD, SEM and photoluminescence (PL) spectra, which show that the lattice constants of ZnO become larger and crystallization turn worse after doping.

Key words： ZnO; Eu; doping; first-principles

Cite this article

LI Honglin , ZHANG Zhong , LU Yingbo , HUANG Jinzhao , LIU Ruxi . FIRST-PRINCIPLES AND EXPERIMENTAL STUDY ON THE ELECTRONIC AND OPTICAL PROPERTIES OF Eu DOPED ZnO STRUCTURE[J]. Acta Metall Sin, 2013 , 29(4) : 506 -512 . DOI: 10.3724/SP.J.1037.2012.00667

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