@article{CTT100792124, author = {J. Yoneda and K. Takeda and T. Otsuka and T. Nakajima and M. R. Delbecq and G. Allison and T. Honda and T. Kodera and S. Oda and Y. Hoshi and N. Usami and K. M. Itoh and S. Tarucha}, title = {A quantum-dot spin qubit with coherence limited by charge noise and fidelity higher than 99.9%}, journal = {Nature Nanotechnology}, year = 2017, }