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Material Processing With Liquid Gallium
The Queensland Micro and Nanotechnology Facility of Griffith University (Brisbane, AU) and industry partner SPTS Technologies, a Newport, UK, supplier of advanced wafer processing solutions for semiconductor and related markets, have ... The result of more than 10 years of research in low-temperature SiC deposition on silicon, the SiC is expected to provide a cost-effective buffer material that will enable fabrication of gallium nitride LEDs and power devices on& ...
material processing with liquid gallium
"The liquid metal is the key aspect of our process," Maldonado said. "Many solid metals can also deliver electrons that transform silicon tetrachloride into disordered silicon, but only metals like gallium can additionally serve as& ...
It comes from silicon dioxide, aka sand, which is one of the cheapest and most abundant materials on Earth, but converting sand into high grade silicon is a high cost, energy intensive process with a pretty significant carbon footprint. ... The method basically consists of covering a liquid gallium electrode (gallium is a soft whitish metal that has a melting point around room temperature) with a layer of a solution based on silicon tetrachloride (a colorless, flammable liquid).
But we`ve found that a liquid metal alloy of gallium and indium reacts to the oxygen in the air at room temperature to form a `skin` that allows the liquid metal structures to retain their shapes," says Dr. Michael Dickey, an assistant ... Video of the process is available below: ... More information: The paper, "3-D Printing of Free Standing Liquid Metal Microstructures," is published online in Advanced Materials. onlinelibrary.wiley.com/doi/10.1002/adma.201301400/abstract.
The Queensland Micro and Nanotechnology Facility of Griffith University (Brisbane, AU) and industry partner SPTS Technologies, a Newport, UK, supplier of advanced wafer processing solutions for semiconductor and related markets, have ... The result of more than 10 years of research in low-temperature SiC deposition on silicon, the SiC is expected to provide a cost-effective buffer material that will enable fabrication of gallium nitride LEDs and power devices on& ...
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