30 Mar '16, 3pm

Gallium Oxide: Power Electronics’ Cool New Flavor - With improved heat conductivity, this semiconductor could l...

Gallium Oxide: Power Electronics’ Cool New Flavor - With improved heat conductivity, this semiconductor could l...

Source: Yole Développement, Lyon, France Semiconductors in Comparison: Flosfia’s gallium oxide devices exploit the material’s big bandgap and breakdown field while making up for its poor thermal conductivity. (Values are normalized to silicon’s [blue].) Ideally, the electronic components that route electricity through power supplies, inverters, and electric motors are cheap, efficient, and capable of handling high voltages. Judged in these terms, gallium oxide could be the best material yet, according to recent work by ­Flosfia , a startup in Kyoto. That’s because silicon—the incumbent material for making diodes and transistors for the power electronics market—is cheap but not very efficient. And although this weakness is addressed by devices made from silicon carbide and gallium nitride , both have had limited commercial success due to high prices. Flosfia’s diodes are al...

Full article: http://spectrum.ieee.org/semiconductors/materials/gallium...

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