Contact: Matt Shipman
North Carolina State University
Caption: Researchers have found that the gallium arsenide and bismuth telluride are actually separated by a thin layer of a hitherto unsuspected third material -- gallium telluride. The materials are held together by the weak forces of van der Waals bonds.
Credit: James LeBeau, North Carolina State University
Usage Restrictions: Image credit must be given.
Related news release: Researchers solve riddle of what has been holding 2 unlikely materials together