1. (1) R. Schirhagl, K. Chang, M. Loretz, and C. L. Degen : “Nitrogen-vacancy centers in diamond: nanoscale sensors for physics and biology”, Annu. Rev. Phys. Chem., Vol. 65, pp. 83-105 (2014)
2. (2) L. P. McGuinness, Y. Yan, A. Stacey, D. A. Simpson, L. T. Hall, D. Maclaurin, S. Prawer, P. Mulvaney, J. Wrachtrup, F. Caruso, R. E. Scholten, and L. C. Hollenberg : “Quantum measurement and orientation tracking of fluorescent nanodiamonds inside living cells”, Nat Nanotechnol, Vol. 6, No. 6, pp. 358-363 (2011)
3. (3) M. V. Dutt, L. Childress, L. Jiang, E. Togan, J. Maze, F. Jelezko, A. S. Zibrov, P. R. Hemmer, and M. D. Lukin : “Quantum register based on individual electronic and nuclear spin qubits in diamond”, Science, Vol. 316, No. 5829, pp. 1312-1316 (2007)
4. (4) E. R. MacQuarrie, T. A. Gosavi, N. R. Jungwirth, S. A. Bhave, and G. D. Fuchs : “Mechanical spin control of nitrogen-vacancy centers in diamond”, Phys. Rev. Lett., Vol. 111, No. 22, p. 227602 (2013)
5. (5) B. J. Maertz, A. P. Wijnheijmer, G. D. Fuchs, M. E. Nowakowski, and D. D. Awschalom : “Vector magnetic field microscopy using nitrogen vacancy centers in diamond”, Appl. Phys. Lett., Vol. 96, No. 9, p. 092504 (2010)