Author(s): A. J. Sigillito, R. M. Jock, A. M. Tyryshkin, J. W. Beeman, E. E. Haller, K. M. Itoh, and S. A. Lyon
Measurements of the donor electron spin in germanium show coherence times that are long enough for the electrons to be used as qubits.

[Phys. Rev. Lett. 115, 247601] Published Mon Dec 07, 2015