Natl Sci Open
Volume 2, Number 3, 2023
Special Topic: Glasses—Materials and Physics
|Number of page(s)||9|
|Published online||27 April 2023|
Compression induced crystal-to-glass transition in soft colloidal solids
1 Beijing National Laboratory for Condensed Matter Physics and Key Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
2 University of Chinese Academy of Sciences, Beijing 100049, China
3 Cygnus Biosciences Co., Ltd., Beijing 100176, China
4 Beijing Tide Pharmaceutical Co., Ltd., Beijing 100176, China
5 Songshan Lake Materials Laboratory, Dongguan 523808, China
Revised: 21 December 2022
Accepted: 3 January 2023
Using colloidal particles with different thermosensitivities, we observe the transition from a crystalline solid to a disordered glass by tuning the size mismatch of the constituent particles in quasi-two-dimensional configurations. The transition is clearly identifiable by the correlation functions of the orientational order parameters and its susceptibilities. Different from typical order-to-disorder transitions such as melting, where the underlying mechanism involves the diffusion of defects, the disordered phase in the crystal-to-glass transition grows via a nucleation process. The disordered clusters grow in size as the particle mismatch increases, and eventually percolate the whole system, which signifies the qualitative change from an ordered crystal to a disordered glass.
Key words: crystal-to-glass transtion / percolation / colloidal solids
© The Author(s) 2023. Published by Science Press and EDP Sciences
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