简述了拉曼光谱技术的优越性以及共焦显微拉曼光谱技术的特点,针对材料学科的科研测试需求,叙述了近年来三级共焦显微拉曼光谱仪与一系列机械平台装置联用后,在偏振场、力电场、温度场等外场作用下PLZT铁电陶瓷材料的拉曼原位观测实例,通过图谱分析讨论了PLZT铁电陶瓷材料在外场作用下的微观结构变化及其疲劳损伤机理。
In this paper,the superiority of Raman spectroscopy and the characteristics of confocal micro Raman spectroscopy are briefly introduced.According to the demands of scientific research and test in the field of materials science,the in-situ observation application cases for PLZT ferroelectric ceramic materials under the external fields action of polarization field,force electric field and temperature field with the combined technology of mechanical devices for Trivista laser confocal micro Raman spectrometer in recent years are summarized,the micro structure′s changes and fatigue damage mechanisms of PLZT ferroelectric ceramic materials under external fields are analyzed and discussed by obtained Raman spectra.
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