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3 October 2022 Direct observation of the dynamic heterogeneity in soft matter by fluctuation microscope (Conference Presentation)
Jun Yamamoto
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Proceedings Volume PC12207, Liquid Crystals XXVI; PC1220701 (2022) https://doi.org/10.1117/12.2632880
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States
Abstract
Glass, gel, or soft matter material near the phase transition point has high symmetry and various physical quantities are spatially uniform. Such uniformity is isotropic and highly transparent and has practically important and useful physical properties. On the contrary, high symmetry makes observation by structural analysis equipment such as microscopes and X-rays ineffective and is a major obstacle to material design and synthesis based on physical property measurement. Therefore, we recently found a new principle of a fluctuation microscope for observing dynamic inhomogeneities in soft matter and completed a prototype. In gel, glass and mixed or complex systems containing different species of molecules, cooperative dynamic modes appear hierarchically based on local molecular motion, even if they are liquid state without static material structure. appear. This fluctuation microscope directly visualizes the dynamic spatial inhomogeneity of such fluctuations in modes of collective motions.
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Jun Yamamoto "Direct observation of the dynamic heterogeneity in soft matter by fluctuation microscope (Conference Presentation)", Proc. SPIE PC12207, Liquid Crystals XXVI, PC1220701 (3 October 2022); https://doi.org/10.1117/12.2632880
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KEYWORDS
Microscopes
Glasses
Liquid crystals
Liquids
Molecules
Prototyping
Spatial resolution
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