What Soviet-born Dutch-British physicist wrote a paper that described devices that contained just one, two, or three atomic layers?
Andre Geim Andre Konstantin Geim, FRS, HonFRSC, HonFInstP (born 21 October 1958) is a Soviet-born Dutch-British physicist working in the School of Physics and Astronomy at the University of Manchester.
Rydberg formula The Rydberg formula is used in atomic physics to describe the wavelengths of spectral lines of many chemical elements. It was formulated by the Swedish physicist Johannes Rydberg, and presented on 5 November 1888.