Characterization of Nontoxic Liquid-Metal Alloy Galinstan for Applications in Microdevices

  title={Characterization of Nontoxic Liquid-Metal Alloy Galinstan for Applications in Microdevices},
  author={Tingyi Leo Liu and Prosenjit Sen and Chang-Jin Cj Kim},
  journal={Journal of Microelectromechanical Systems},
We have obtained interfacial properties of Galinstan, a nontoxic liquid-metal alloy, to help replace mercury in miniature devices. To prevent formation of an oxide skin that severely hinders the fluidic behavior of small Galinstan droplets and leads to inaccurate property data, we performed our experiments in a nitrogen-filled glove box. It was found that only if never exposed to oxygen levels above 1 part per million (ppm) would Galinstan droplets behave like a liquid. Two key properties were… CONTINUE READING
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