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Using polarized reflective light, PNNL scientists discovered a novel new compound—Cd3Ge2As4. This breakthrough was made while conducting experimental work to develop new semiconductors. The new material potentially has applications in infrared optics and electronics. The specimen was imaged in cross-polarized reflected light. The different colors are due to birefringence in the crystal caused by light traveling at different speeds along different crystallographic axes. The image was captured by scientist Brad Johnson. The team of researchers on this project includes Brian Riley, Joe Ryan, John McCloy, Jarrod Crum, and SK Sundaram.

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Document Title: Cd3Ge2As4 Compound
Category: Materials Science
Media Type: Photos
Date of Image/Photo: 10/29/2010
Background: Submitted during the 2010 Science as Art contest.
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/DRAE-8N9QFG

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