Photoluminescence and electrical properties of highly transparent (Bi,Eu)4Ti3O12 ferroelectric thin films on indium-tin-oxide-coated glass substrates

DOI PDF 被引用文献2件
  • Kaibin Ruan
    Sun Yat-Sen University State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, , Guangzhou 510275, People’s Republic of China
  • Xinman Chen
    Sun Yat-Sen University State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, , Guangzhou 510275, People’s Republic of China
  • Tong Liang
    Sun Yat-Sen University State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, , Guangzhou 510275, People’s Republic of China
  • Guangheng Wu
    Sun Yat-Sen University State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, , Guangzhou 510275, People’s Republic of China
  • Dinghua Bao
    Sun Yat-Sen University State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, , Guangzhou 510275, People’s Republic of China

書誌事項

公開日
2008-04-01
DOI
  • 10.1063/1.2903928
公開者
AIP Publishing

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説明

<jats:p>Highly transparent (Bi,Eu)4Ti3O12 (BEuT) ferroelectric thin films were prepared on indium-tin-oxide (ITO)-coated glass substrates by using chemical solution deposition technique, and the photoluminescence and electrical properties of the thin films were investigated in terms of annealing temperature and concentration of europium ions. The BEuT thin films had a polycrystalline bismuth-layered perovskite structure and exhibited excellent optical transmittance. Photoluminescence spectra of the thin films included two strong peaks which originated from two transitions of D05→F17 (594nm) and D05→F27 (617nm). The emission intensity of two peaks increases with increasing annealing temperature due to improved crystallinity of the thin films. An unusual composition quenching effect of photoluminescence was found in the rare earth doped bismuth titanate thin films. In addition, the BEuT thin films also showed ferroelectric properties comparable to those of BEuT thin films deposited on Pt∕Ti∕SiO2∕Si substrates. These results suggest that BEuT thin films can be considered as a promising multifunctional material which can find applications in transparent optoelectronic devices.</jats:p>

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