观测光流体微腔中的液态金属相变

Zixiang Fu, Zhenlin Zhao, Ruiji Dong, Junqiang Guo, Yan-Lei Zhang, Shusen Xie, Xianzeng Zhang, Qijing Lu
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引用次数: 0

摘要

镓(Ga)因其卓越的物理特性,在柔性电子、化学和生物医学领域展现出非凡的潜力。镓的相变和过冷特性使其出现了许多有价值的应用。在本文中,我们利用这一基础,利用同时支持高品质因数光学和光机械模式的光流体微腔来研究镓的相变过程和过冷特性。我们的研究全面揭示了镓在完全相变过程中的动态行为,例如测量了固态向液态转变和液态向固态转变之间的滞后环,揭示了非互惠共振波长偏移,并确定了镓在熔化过程中的独特蜕变态。经精确测量,固态镓和液态镓的线性热膨胀系数分别为 0.41 × 10-5 K-1 和 -0.75 × 10-5 K-1。我们的研究为新制造的液态金属合金提供了一个全面、多功能的监测平台,为了解其相变行为提供了多维度的视角。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Observation of the liquid metal phase transition in optofluidic microcavities
Gallium (Ga) exhibits remarkable potential in flexible electronics, chemistry, and biomedicine due to its exceptional physical properties. The phase transition and supercooling characteristics of Ga have led to the emergence of numerous valuable applications. In this paper, we capitalize on this foundation by utilizing optofluidic microcavities supporting both high quality factor optical and optomechanical modes to investigate the phase transformation process and supercooling properties of Ga. Our study provides comprehensive insights into the dynamic behavior of Ga during the complete phase transition, such as measuring a hysteresis loop between the solid-to-liquid and liquid-to-solid transitions, revealing nonreciprocal resonance wavelength shift, and identifying a unique metastability state of Ga during melting. The linear thermal expansion coefficients of Ga were precisely measured to be 0.41 × 10−5 K−1 and −0.75 × 10−5 K−1 for solid and liquid Ga, respectively. Our research provides a comprehensive and versatile monitoring platform for newly fabricated liquid metal alloys, offering multidimensional insights into their phase transition behavior.
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