By removing a 12C atom from the tetrahedral configuration of the diamond, replace it by a 13C atom, and repeating this in a linear direction, it is possible to have a linear chain of nuclear spins one half and to build a solid state quantum computer. One qubit rotation and controlled-not (CNOT) quantum gates are obtained immediately from this configuration, and CNOT quantum gate is used to determined the design parameters of this quantum computer.
@article{arxiv.1310.0750,
title = {Diamond as a solid state quantum computer with a linear chain of nuclear spins system},
author = {G. V. López},
journal= {arXiv preprint arXiv:1310.0750},
year = {2015}
}