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光诱导力显微镜（PiFM）与传统红外光谱的相关性对比
光诱导力显微镜（PiFM）光谱能够复现块体样本的传统红外光谱检测结果，图示聚醚砜（PES）案例即印证了该特性。PiFM光谱中偶尔出现的波数峰值与信号强度轻微偏移，源于其对局部分子群体的极端敏感性。该技术的核心优势在于能捕捉微量材料在受限空间中的行为特征——这类环境与宏观尺度样本存在显著差异。
PiFM and FTIR of PES (Polyethersulfone)
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