Nikolai V Abrosimov

Electron spin coherence exceeding seconds in high-purity silicon.

Shinichi Tojo, Kohei M Itoh, Helge Riemann, 2011, Nature materials.

Conditional control of donor nuclear spins in silicon using stark shifts.

Matias Urdampilleta, Helge Riemann, Hans-Joachim Pohl, 2014, Physical review letters.