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Femtosecond Infrared Laser Annealing of Ferroelectric PZT Films on a Metal Substrate: Confocal and Near-field Optical Studies

机译:飞秒红外激光在金属基底上铁电PZT薄膜的退火:共焦和近场光学研究

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摘要

Ti-sapphire femtosecond laser was utilized to crystallize Pb(Zr_(0.54)Ti_(0.46))O_3 (PZT) film on platinized silicon substrate. Second harmonic generation was used to in-situ monitor of the annealing process and to confirm a non-centrosymmetric perovskite ferroelectric phase of the irradiated area. The images of the film surface after laser exposure were obtained by confocal optical microscopy.
机译:利用钛-蓝宝石飞秒激光在镀铂硅基板上结晶Pb(Zr_(0.54)Ti_(0.46))O_3(PZT)膜。二次谐波的产生被用于原位监测退火过程并确定辐照区域的非中心对称钙钛矿铁电相。通过共焦光学显微镜获得激光曝光后的膜表面图像。

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