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University of Glasgow Breakthrough! Breakthrough could enable diamond transistors for high-power applications
2025-02-26 10:11:36
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Researchers at the University of Glasgow have made a milestone in developing a new generation of diamond transistors that will break through technical limitations and move closer to practical applications in high-power industries.
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Researchers at the University of Glasgow have made a milestone in developing a new generation of diamond transistors that will break through technical limitations and move closer to practical applications in high-power industries.
The research team has discovered a new method to make transistors out of diamond, which can be turned off by default and improve device safety. Diamond can withstand voltages much higher than silicon due to its wide bandgap properties, making it suitable for high-power applications. The transistor can be used in high-voltage, high-efficiency fields such as power grids and electric vehicles.
Professor David Moran's team at the University of Glasgow collaborated with universities in Australia and the United States, and the research results were published in Advanced Electronic Materials. Professor Moran pointed out that power electronic devices require high-power switches, but diamond transistors often lose sight of one thing while focusing on the other. His team successfully designed a diamond transistor that performs well in both shutdown and power supply functions, making significant progress.
The research team at the University of Glasgow used surface chemistry technology to improve the performance of diamond, first coating it with hydrogen atoms and then with aluminum oxide. The new diamond transistor requires 6 volts to turn on, has a large current, and doubles the efficiency of charge movement. When turned off, the resistance is extremely high, there is almost no current leakage, and the safety performance is improved. Professor Moran said that this result is encouraging, and diamond transistors have great potential and low cost, but there are still challenges to overcome, hoping to promote future applications.
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