In our study, we used micro-glass tube resonance to measure changes in viscoelasticity during the phase transitions of liquid crystals, an intermediate state between solid and liquid. By heating and stretching glass tubes into a hollow state and inducing resonance, we detected inherent frequencies influenced by tube dimensions and sample properties. Using sucrose water and room-temperature liquid crystal (MBBA) as samples, we tracked changes in viscoelasticity with different temperatures. We observed a linear decrease in inherent frequency with increasing sucrose water concentration. Additionally, we detected viscoelastic changes in MBBA around its phase transition temperature.
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