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MICRO-RAMAN SPECTROSCOPY OF A VICKERS INDENT ON SOFT PZT

机译:在柔软的pzt上缩进的维克微拉曼光谱

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Raman scattering has proven valuable in eliciting phase transitions in lead zirconate titanate ceramics. However, its use as a quantitative tool for spatially characterizing local strains and texture has yet to be fully optimized. This paper demonstrates that domain switching and microstrain surrounding a Vickers indent are manifested as changes in mode-specific intensities and Raman shifts. The intensity of the 265 cm~(-1) and 600 cm~(-1) modes increase inside the indent as a result of an increase in orientations of the corresponding bonds that are parallel to the indented surface.
机译:拉曼散射已经证明在引用锆钛酸铅陶瓷中引出的诱导相转变有价值。然而,它作为用于空间表征局部菌株和纹理的定量工具的用途尚未得到完全优化。本文展示了维克斯缩进的域切换和微纹状被表现为模式特定强度和拉曼偏移的变化。由于与凹进表面平行的相应键的取向的增加,265cm〜(-1)和600cm〜(-1)模式的强度增加缩进。

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