Abstract
(111) synthetic HPTP diamond plates are irradiated by H +2 50 keV ions in the range of the fluences of 1−13 × 1016 sm−2 and annealed in vacuum at 1 mPa (VPHT, 500–1600°C) or at high HPHT parameters (4.0–7.5 GPa, 1200–1550°C). It is shown by measuring the layer conductivity and Raman light scattering that after VPHT annealing, a buried layer of glassy carbon 10–100 nm thick with low resistance (∼1 kOhm/□) is formed, followed by HPHT with high resistance (∼1 MOhm/□) and hopping transport along defects.
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Original Russian Text © V.P. Popov, L.N. Safronov, O.V. Naumova, V.A. Volodin, I.N. Kupriyanov, Yu.N. Pal’yanov, 2012, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2012, Vol. 76, No. 5, pp. 647–652.
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Popov, V.P., Safronov, L.N., Naumova, O.V. et al. Formation of conductive layers inside diamond by hydrogen ion implantation and subsequent thermal treatment at low or high pressures. Bull. Russ. Acad. Sci. Phys. 76, 577–581 (2012). https://doi.org/10.3103/S1062873812050206
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DOI: https://doi.org/10.3103/S1062873812050206