Advanced dynamical study of soft-matter mesoscopic systems

粘弹性是理解软物质动力学的一个重要概念。基于原子力显微镜(AFM)的极限空间分辨率，发展了获得聚合物或液体溶剂化等纳米级软物质体系频率分辨粘弹性的新方法。提出了一种利用AFM力传感器多个谐振模式的频域方法和抑制力传感器谐振的时间域方法。

Viscoelasticity is a crucial idea for understanding dynamics of soft matters. Novel methods for obtaining frequency-resolved viscoelasticity of nanometer-scale soft-matter systems like polymers or liquid solvation were developed based on atomic force microscopy(AFM) having an ultimate spatial resolution. A frequency-domain method utilizing multiple resonance modes of the AFM force sensor and a time-domain method in which resonances of the force sensor are suppressed were developed.