The (1-x)Pb(Zn1/3Nb2/3)O3- x PbTiO3 nanograde film produced by improved LPE method

Youbao Wan; Yurong Wu; Jianxing Zhang; Peizhi Yang; Lingrong Xiao; Guoxiang Yuan; Hui Yan

doi:10.1117/12.835571

24 August 2009 The (1-x)Pb(Zn_1/3Nb_2/3)O_3-xPbTiO₃ nanograde film produced by improved LPE method

Youbao Wan, Yurong Wu, Jianxing Zhang, Peizhi Yang, Lingrong Xiao, Guoxiang Yuan, Hui Yan

Proceedings Volume 7381, International Symposium on Photoelectronic Detection and Imaging 2009: Material and Device Technology for Sensors; 738114 (2009) https://doi.org/10.1117/12.835571
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

(1-x)Pb(Zn_1/3Nb_2/3)O_3-xPbTiO₃ nano-grade films were produced by using both an normally liquid phase epitaxy and an improved vertically dipping liquid phase epitaxy system developed by ourselves. Utilizing a specially heating device, the improved liquid phase epitaxy system can offer a controllable time-lag before the melt adhered on the bottom of the substrate crystallized into film. In the time-lag moment, the force of the rolling substrate driven by the rolling seed role would throw out some melt adhered on the bottom of the substrate and reduce the quantity of the melt. And the surface of the film can be smoothed. By adjusting the quality of the melt left on the bottom of the substrate, nanograde thin films of (1-x)Pb(Zn_1/3Nb_2/3)O_3-xPbTiO₃ were grown up on the substrates of SrTiO₃ (001). The morphology of the both films produced by normal LPE method and our improved LPE method were investigated by OM. The results show that the films produced by using this improved LPE method have uniform morphology without powders adhered in it. The farther investigation of the morphology of the PZNT film produced by our improved LPE method was done by using AFM show that the grains of the films have column-shaped morphology with similar size. For the films produced by using normal LPE method, the farther investigation of their morphology were done by SEM method. The results show that there are square-shaped grains with different size for the grains of the film, and there are many stuff material in the space among the grains. The study of XRD reveals that the films produced by using both normal LPE method and improved method had good alignment on the SrTiO₃ (001) substrate.

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Youbao Wan, Yurong Wu, Jianxing Zhang, Peizhi Yang, Lingrong Xiao, Guoxiang Yuan, and Hui Yan "The (1-x)Pb(Zn_1/3Nb_2/3)O_3-xPbTiO₃ nanograde film produced by improved LPE method", Proc. SPIE 7381, International Symposium on Photoelectronic Detection and Imaging 2009: Material and Device Technology for Sensors, 738114 (24 August 2009); https://doi.org/10.1117/12.835571

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KEYWORDS

Liquid phase epitaxy

Crystals

Epitaxy

Chemical species

Perovskite

Scanning electron microscopy

Solid phase epitaxy

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