On the electrical activity of sp2-bonded grain boundaries in nanocrystalline diamondF. Cleri, P. Keblinski, L. Colombo, D. Wolf and S. R. PhillpotEurophys. Lett., 46 5 (1999) 671-677DOI: https://doi.org/10.1209/epl/i1999-00318-5
