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|Title:||Photo induced current in (Pb0.97La0.03) (Zr 0.52Ti0.48)O3 thin films of different thicknesses|
|Keywords:||Ferroelectric thin films|
|Citation:||Qin, M., Yao, K., Liang, Y.C. (2007). Photo induced current in (Pb0.97La0.03) (Zr 0.52Ti0.48)O3 thin films of different thicknesses. Integrated Ferroelectrics 88 (1) : 58-67. ScholarBank@NUS Repository. https://doi.org/10.1080/10584580601098647|
|Abstract:||Photovoltaic effect in ferroelectric materials exhibits potential for applications of sensors and remote controls in micro-electro-mechanical systems, and a systematic evaluation on the photovoltaic behavior in ferroelectric materials becomes important. However, as a critical parameter that determines the photovoltaic output in ferroelectric thin films, the film thickness effect on photocurrent output has not been investigated for thin film samples. In this work, a theoretical model has been developed to describe the thickness-dependent photocurrent in (Pb0.97La0.03)(Zr0.52Ti 0.48)O3(PLZT) thin films with a sandwich electrode structure. This model indicates that photocurrent increases exponentially with the decrease in film thickness. Therefore, a significantly enhanced photocurrent can be expected in thinner PLZT films. The predicted thickness dependence of the short circuit photocurrent was also supported by our experimental results.|
|Source Title:||Integrated Ferroelectrics|
|Appears in Collections:||Staff Publications|
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