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Micromachines
Special Issues
Applications of Liquid Metals for Micromachines and Microsystems
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Applications of Liquid Metals for Micromachines and Microsystems

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "E：Engineering and Technology".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1015

Special Issue Editor

Prof. Dr. Lin Gui

E-Mail Website
Guest Editor
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100864, China
Interests: microfluidic; lab-on-chip devices; electrophoresis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Liquid metal is a very unique material in that it has both metallic and fluid properties. Compared with traditional metals, liquid metal has no fixed shape by itself and can be easily injected into microchannels or micro spaces of any shape to complete a variety of functions. Due to its unique amorphous property, liquid metal can be easily used to fabricate very complicated and fine micro-metallic structures, such as microsensors, micropumps, microvalves, actuators, printed electronics, microelectronic and microfluidic components, etc. Gallium-based alloy and bismuth-based alloy are two typical liquid metals that have been extensively studied recently due to their relatively low melting point, stable chemical properties and biocompatiblility. Accordingly, this Special Issue seeks to collect research papers and review articles that focus on novel research or applications of liquid metal in micromachines and microsystems.

Prof. Dr. Lin Gui
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • liquid metal
  • interconnects
  • electrodes
  • microstructures
  • microelectronics
  • microsensors
  • actuators
  • printed electronics
  • microfluidics

Published Papers (1 paper)

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Research

15 pages, 6145 KiB  
Article
A Novel Flexible Liquid Metal Microheater with a Textured Structure
by Yuqing Li, Huimin Zhang, Zi Ye, Mingyang Liu, Wei Liu, Zhenming Li and Lin Gui
Micromachines 2024, 15(1), 75; https://doi.org/10.3390/mi15010075 - 29 Dec 2023
Cited by 1 | Viewed by 816
Abstract
In this paper, we propose a novel liquid metal microheater utilizing a textured structure. This microheater effectively solves the problem of the liquid metal in the PDMS flow channel fracturing at a certain temperature and significantly increases the maximum operating temperature that can [...] Read more.
In this paper, we propose a novel liquid metal microheater utilizing a textured structure. This microheater effectively solves the problem of the liquid metal in the PDMS flow channel fracturing at a certain temperature and significantly increases the maximum operating temperature that can be achieved by the current liquid metal microheater. Experimental results demonstrate that this new structured microheater can achieve a maximum operating temperature exceeding 300 °C. To explain the performance improvement and the reasons behind liquid metal fracture, corresponding experiments were conducted, and explanations were provided based on the experimental results. Subsequently, we verified the mechanical flexibility of the microheater and found that it exhibits excellent tensile and bending resistance. Finally, utilizing its good mechanical flexibility, the microheater was successfully attached to the side wall of a cup, resulting in the boiling of water. Full article
(This article belongs to the Special Issue Applications of Liquid Metals for Micromachines and Microsystems)
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