ArticleAdvanced materials (Deerfield Beach, Fla.)2021
Liquid Crystal Structure of Supercooled Liquid Gallium and Eutectic Gallium-Indium.
Article in Advanced materials (Deerfield Beach, Fla.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 13 citations in OpenAlex.
- Nonlinear Optical Response in Layer-Stacked Gallenene with Ferroelectric Polarization.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- Precision-induced localized molten liquid metal stamps for damage-free transfer printing of ultrathin membranes and 3D objects.Nature communications · 2024Article
- An atomically smooth container: Can the native oxide promote supercooling of liquid gallium?iScience · 2023Article
- Liquid Crystal Structure of Supercooled Liquid Gallium and Eutectic Gallium-Indium.Advanced materials (Deerfield Beach, Fla.) · 2021Article
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Understanding the origin of structural ordering in supercooled liquid gallium (Ga) has been a great scientific quest in the past decades. Here, reflective polarized optical microscopy on Ga sandwiched between glasses treated with rubbed polymers reveals the onset of an anisotropic reflection at 120 °C that increases on cooling and persists down to room temperature or below. The polymer rubbing usually aligns the director of thermotropic liquid crystals (LCs) parallel to the rubbing direction. On the other hand, when Ga is sandwiched between substrates that align conventional LC molecules normal to the surface, the reflection is isotropic, but mechanical shear force induces anisotropic reflection that relaxes in seconds. Such alignment effects and shear-induced realignment are typical to conventional thermotropic LCs and indicate a LC structure of liquid Ga. Specifically, Ga textures obtained by atomic force and scanning electron microscopy reveal the existence of a lamellar structure corresponding to a smectic LC phase, while the nanometer-thin lamellar structure is transparent under transmission polarized optical microscopy. Such spatial molecular arrangements may be attributed to dimer molecular entities in the supercooled liquid Ga. The LC structure observation of electrically conductive liquid Ga can provide new opportunities in materials science and LC applications.
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