New technique makes it easier to etch semiconductors
Thursday, December 22, 2011 - 16:30
in Physics & Chemistry
Creating semiconductor structures for high-end optoelectronic devices just got easier, thanks to new research. Scientists developed a method to chemically etch patterned arrays in the semiconductor gallium arsenide, used in solar cells, lasers and other optoelectronic devices. Unlike other wet methods, metal-assisted chemical etching works in one direction, from the top down, without damaging the surface like dry etching does.