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A team of materials science researchers led by Shui-Qing “Fisher” Yu of the University of Arkansas has demonstrated use of an electrically injected laser made with germanium tin. The materials in the design are low cost and could improve microprocessing speeds for applications using the diode laser as a semiconducting material for circuits on electronic devices. The laser operated effectively in pulsed conditions up to 100 K, or −279 °F.
According to the researchers, germanium tin can be easily integrated into electronic circuits, such as those found in computer chips and sensors. In addition to low cost and light weight, the material could support electronic components that consume relatively low levels of…READ MORE