Study on the structure and ferroelectric properties of sol-gel-derived Pb(Mg1/3Nb2/3)O3-PbTiO3 thin films

Aiyun Liu; Xiangjian Meng; Jinglan Sun; Jun-Hao Chu

doi:10.1117/12.607553

8 December 2004 Study on the structure and ferroelectric properties of sol-gel-derived Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃ thin films

Aiyun Liu, Xiangjian Meng, Jinglan Sun, Jun-Hao Chu

Author Affiliations +

Proceedings Volume 5774, Fifth International Conference on Thin Film Physics and Applications; (2004) https://doi.org/10.1117/12.607553
Event: Fifth International Conference on Thin Film Physics and Applications, 2004, Shanghai, China

Abstract

92%Pb(Mg_1/3Nb_2/3)O₃-8%PbTiO₃ (PMNT) thin films on Pt/TiO₂/SiO₂/Si substrates with and without a LaNiO₃ (LNO) buffered layer have been prepared using a sol-gel method. Structures and electrical properties of these two films have been investigated and compared. Highly (111)-oriented PMNT thin films with some amounts of pyrochlore phase are obtained on bare Pt electrodes. On the contrary, (100)-oriented PMNT thin films with pure perovskite phase are formed on Pt electrodes with a LNO buffered layer. Electrical properties of the PMNT thin films are highly improved by using the buffered layer LNO. It is found that the remanent polarization (P_r) and the dielectric constant for the PMNT film with a LNO buffered layer are larger than that for the film without a LNO buffered layer.

Citation Download Citation

Aiyun Liu, Xiangjian Meng, Jinglan Sun, and Jun-Hao Chu "Study on the structure and ferroelectric properties of sol-gel-derived Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃ thin films", Proc. SPIE 5774, Fifth International Conference on Thin Film Physics and Applications, (8 December 2004); https://doi.org/10.1117/12.607553

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