Electronics Research News

Vertical GaN transistors have 1kV blocking voltages

GaN-based transistors with blocking voltages over 1kV have been developed by researchers in Japan. Low resistance resulting in reduced power consumption and heating have attracted researchers to study GaN systems for nanoelectronics. Previous work has focused on laterally oriented GaN and AlGaN transistors, which readily provide a high mobility…

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Photon processor tests quantum computing theory

Researchers from the University of Bristol and Nippon Telegraph and Telephone (NTT) have built a programmable optical chip that can process photons for quantum computer research. “A whole field of research has essentially been put onto a single optical chip that is easily controlled. Now anybody can run their own…

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Southampton proves universal atom cooling technique

University of Southampton researchers have used ‘matter waves’ to cool molecules that cannot be handled by conventional laser methods. It is the first demonstration based on a technique proposed in 2000 by Martin Weitz and Ted Hänsch. Ultra-cold atoms are used in physics research, atomic clocks, and potentially…

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MIT refreshes fusion reactors with modern superconductors

Rare-earth barium copper oxide (REBCO) superconducting tapes could mean earlier practical fusion reactors, according to MIT. The key is stronger magnetic fields, which shrink the size of tokamak [chamber] required, and subsequently simplify all that follows. It “just ripples through the whole design. It changes the whole thing,” said…

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Cambridge robot evolves little robots

Evolution by natural selection has been observed in robots, according to a team lead by the University of Cambridge. In the experiment, a constructor robot assembles simple robots (called ‘locomotion agents’), test them against movement-based criteria, build another another generation based on results, then test these, and so on…

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Moon bound spacecraft could use GPS satellites for navigation

It seems spacecraft on their way to the moon could use signals from GPS satellites on the distant side of Earth to navigate. Jacon Aron reports. At the next space station, turn left. Efforts to repurpose GPS and other navigation satellites to help spacecraft reach the moon are under way…

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Electricity meter sticks on circuit breakers

Berkeley Lab researchers have developed a peel-and-stick electricity meter which allows individual circuits in the home and industry to be accurately monitored. It is an alternative to current transformers and live voltage connections that can be installed without mains voltage working expertise as the sensors are simply stuck…

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Molecular diode with 200:1 conduction ratio

Columbia University and Berkeley Labs have created a molecular diode with a forward/reverse current ratio in excess of 200 at fixed voltage. The molecule, designed at Columbia, is an oxidised thiophene derivative, with molecular resonance in nearly perfect alignment with the Fermi electron energy levels of the gold electrodes…

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