Fox supported by the whole technology team working to develop the next THz transistor generation," according to Bernd Tillack, who is leading the technology department at IHP in Frankfurt (Oder), Germany. This could help enable applications of Si-based technologies in areas in which compound semiconductor technologies are dominant today. "The record low temperature results show the potential for further increasing the transistor speed toward terahertz (THz) at room temperature. Wier, performed the exacting work of analyzing, testing and evaluating the novel transistor. Chakraborty, Adilson Cordoso and Brian R. Cressler and his Georgia Tech team, including graduate students Partha S. IHP, a research center funded by the German government, designed and fabricated the device, a heterojunction bipolar transistor (HBT) made from a nanoscale SiGe alloy embedded within a silicon transistor. In particular, it could be used in its present form for demanding electronics applications in outer space, where temperatures can be extremely low. Meanwhile, Cressler added, the tested transistor itself could be practical as is for certain cold-temperature applications. "Moreover, I believe that these results also indicate that the goal of breaking the so called 'terahertz barrier' – meaning, achieving terahertz speeds in a robust and manufacturable silicon-germanium transistor – is within reach." "The transistor we tested was a conservative design, and the results indicate that there is significant potential to achieve similar speeds at room temperature – which would enable potentially world changing progress in high data rate wireless and wired communications, as well as signal processing, imaging, sensing and radar applications," said Cressler, who hold the Schlumberger Chair in electronics in the Georgia Tech School of Electrical and Computer Engineering. Information about the research was published in February 2014, by IEEE Electron Device Letters. Cressler, who led the research for Georgia Tech. Although these operating speeds were achieved at extremely cold temperatures, the research suggests that record speeds at room temperature aren't far off, said professor John D.
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