What Holds These 2 Materials Together? (IMAGE)

North Carolina State University

What Holds These 2 Materials Together?

Caption

For years, researchers have developed thin films of bismuth telluride on top of gallium arsenide. But while they knew it could be done, it was not clear how -- because the atomic structures of those unlikely pair of materials do not appear to be compatible. They now know that the two materials are separated by a layer of gallium telluride -- visible here as a row of bright dates at the interface of the materials.

Credit

James LeBeau, North Carolina State University

Usage Restrictions

Image credit must be given.

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.