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  1. No Access

    Article

    Evolution of Triplet Paramagnetic Centers in Diamonds Obtained by Sintering of Detonation Nanodiamonds at High Pressure and Temperature

    The electron paramagnetic resonance (EPR) spectra of triplet centers in detonation nanodiamonds (DNDs) and diamond single crystals of submicrometer size, synthesized from those DNDs at high pressures and tempe...

    V. Yu. Osipov, A. I. Shames, N. N. Efimov, F. M. Shakhov… in Physics of the Solid State (2018)

  2. No Access

    Article

    Identification of paramagnetic nitrogen centers (P1) in diamond crystallites synthesized via the sintering of detonation nanodiamonds at high pressure and temperature

    Diamond single crystals synthesized from powder detonation nanodiamonds (DNDs) by means of treatment at high pressures (P ~ 7 GPa) and temperatures (T > 1300°C) have been studied by electron paramagnetic resonanc...

    V. Yu. Osipov, F. M. Shakhov, N. N. Efimov, V. V. Minin… in Physics of the Solid State (2017)

  3. No Access

    Article

    Growth of diamond microcrystals by the oriented attachment mechanism at high pressure and high temperature

    For the first time it has been experimentally shown that a powder of detonation nanodiamonds (DND) and a saturated acyclic hydrocarbon, mono- or dibasic alcohol, used as the reaction mixture after treatment at...

    S. V. Kidalov, F. M. Shakhov, A. V. Shvidchenko, A. N. Smirnov… in Technical Physics Letters (2017)

  4. No Access

    Article

    Changes in the mechanism of heat transfer in passing from microparticles to nanoparticles

    On the basis of experimental data on thermal conduction and sound velocity in composites obtained by sintering detonation nanodiamonds with the crystallite size of 4–5 nm and diamond micropowders with a grain ...

    F. M. Shakhov, A. P. Meilakhs, E. D. Eidelman in Technical Physics Letters (2016)

  5. No Access

    Article

    Effect of Hot Pressing Modes on the Structure and Properties of an ‘Aluminum – Carbon Nanofibers’ Composite Material

    The possibility of fabricating ‘aluminum – carbon nanofibers’ compact materials by hot pressing at a pressure of 5 GPa and a temperature of 480 – 980°C is studied. It is shown that aluminum carbide forms in th...

    A. I. Rudskoy, T. S. Koltsova, F. M. Shakhov… in Metal Science and Heat Treatment (2015)

  6. No Access

    Article

    Fabrication of a compacted aluminum-carbon nanofiber material by hot pressing

    The aluminum-carbon nanofiber compacted materials fabricated by hot pressing are studied. The carbon content and the compacting temperature are shown to affect the hardness of the aluminum-carbon nanofiber com...

    T. S. Kol’tsova, F. M. Shakhov, A. A. Voznyakovskii, A. I. Lyashkov… in Technical Physics (2014)

  7. No Access

    Article

    Defects in Nanodiamonds: Application of High-Frequency cw and Pulse EPR, ODMR

    Different aspects of applications of electron paramagnetic resonance (EPR) based techniques including high frequency (HF) electron spin echo (ESE), electron-nuclear double resonance (ENDOR) and optically dete...

    B. V. Yavkin, V. A. Soltamov, R. A. Babunts, A. N. Anisimov… in Applied Magnetic Resonance (2014)

  8. No Access

    Article

    Effect of fullerenes on the activation energy of the graphite-diamond phase transition

    The modification of graphite used in diamond synthesis with low concentrations of the fullerene C60-C70 extract (from 0.045 to 0.225 wt % of graphite mass) in the presence of a Ni-Mn metal catalyst at a pressure ...

    F. M. Shakhov, S. V. Kidalov in Physics of the Solid State (2014)

  9. No Access

    Article

    Room Temperature High-Field Spin Dynamics of NV Defects in Sintered Diamonds

    Sintered oriented nanodiamond arrays with the extremely high concentrations of the nitrogen-vacancy (NV) centers (up to 103 ppm) were investigated by the W-band (94 GHz) electron spin echo electron paramagnetic r...

    B. V. Yavkin, G. V. Mamin, S. B. Orlinskii, S. V. Kidalov… in Applied Magnetic Resonance (2013)

  10. No Access

    Article

    Filler-matrix thermal boundary resistance of diamond-copper composite with high thermal conductivity

    A composite material with a high thermal conductivity is obtained by capillary infiltration of copper into a bed of diamond particles of 400 μm size, the particles having been pre-coated with tungsten. The mea...

    A. M. Abyzov, S. V. Kidalov, F. M. Shakhov in Physics of the Solid State (2012)

  11. No Access

    Article

    Small-angle neutron scattering study of high-pressure sintered detonation nanodiamonds

    The structure of detonation diamonds sintered at a high pressure (7 GPa) and temperatures of 1200–1700°C has been investigated by small-angle neutron scattering. It is shown that sintering leads to an increase...

    S. V. Kidalov, F. M. Shakhov, V. T. Lebedev, D. N. Orlova… in Crystallography Reports (2011)

  12. No Access

    Article

    Synthesis and properties of superhard crystalline materials in boron-carbon-nitrogen system

    The possibility of creating single-crystalline materials in the boron-carbon-nitrogen system has been studied. The thermal conductivity of composites obtained by sintering a mixture of natural microcrystalline...

    S. V. Kidalov, F. M. Shakhov, V. M. Davidenko, V. A. Yashin in Technical Physics Letters (2011)

  13. No Access

    Article

    Thermal conductivity of the diamond-paraffin wax composite

    The thermal conductivity of diamond-paraffin wax composites prepared by infiltration of a hydrocarbon binder with the thermal conductivity λ m = 0.2 W m−1 K−1 into a dense bed o...

    A. M. Abyzov, S. V. Kidalov, F. M. Shakhov in Physics of the Solid State (2011)

  14. No Access

    Article

    Electron paramagnetic resonance detection of the giant concentration of nitrogen vacancy defects in sintered detonation nanodiamonds

    A giant concentration of nitrogen vacancy defects has been revealed by the electron paramagnetic resonance (EPR) method in a detonation nanodiamond sintered at high pressure and temperature. A high coherence o...

    A. A. Soltamova, I. V. Il’in, F. M. Shakhov, S. V. Kidalov, A. Ya. Vul’… in JETP Letters (2010)

  15. No Access

    Article

    Electron spin resonance detection and identification of nitrogen centers in nanodiamonds

    Individual nitrogen centers N0 and nitrogen pairs N 2 + have been detected and identified in natural diamond nanocrystals by means of the high-frequency electr...

    P. G. Baranov, I. V. Il’in, A. A. Soltamova, A. Ya. Vul’, S. V. Kidalov… in JETP Letters (2009)

  16. No Access

    Article

    Static synthesis of microdiamonds from a charge containing nanodiamonds

    The effect of detonation nanodiamonds (DNDs) [5] on the graphite-diamond phase transition at high pressures and temperatures has been experimentally studied. It is established that adding DNDs to a graphite-ba...

    S. V. Kidalov, F. M. Shakhov, V. M. Davidenko, V. A. Yashin… in Technical Physics Letters (2008)

  17. No Access

    Article

    Effect of carbon materials on the graphite-diamond phase transition at high pressures and temperatures

    Experimental data are used in an attempt to unravel the mechanism underlying the effect of modification of a graphite blend by fullerenes on the diamond synthesis at high pressures and temperatures in the pres...

    S. V. Kidalov, F. M. Shakhov, V. M. Davidenko, V. A. Yashin… in Physics of the Solid State (2008)

  18. No Access

    Article

    Mechanism of the Catalytic Effect of Fullerenes on the Graphite-Diamond Phase Transition at High Temperature and Pressure

    S. V. Kidalov, V. I. Sokolov, F. M. Shakhov, A. Ya. Vul' in Doklady Physical Chemistry (2005)