English to Russian Tech/Engineering Physics blue LED

Researchers realised that gallium nitride with a smattering of indium had the perfect quantum properties to emit blue light. But no one was able to make a semiconductor sandwich with a gallium nitride filling. That's because the crystal structure of the gallium nitride needs to match that of the surrounding layers to prevent defects from forming that wreck the light-emitting properties.

In 1986, Akasaki and Amano succeeded in finding* a match*. Their trick was to add an extra layer to the sandwich.


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