Low Temperature Thermal Conductivity of Heavily Boron-Doped Synthetic Diamond: Influence of Boron-Related Structure Defects


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Abstract

Thermal conductivity of single-crystal boron-doped diamonds (BDD) with ∼2 × 1019 cm−3 (∼120 ppm) and 5 × 1019 cm−3 (∼300 ppm) boron content was studied by a steady-state method in a temperature range of 20–400 K. The obtained data were analyzed within Callaway model framework. The values of dislocation density obtained from best fit of experimental data and from density of etch pits measuring were compared. Their discrepancy suggests presence of some other boron-related defects in crystal lattice.

About the authors

D. Prikhodko

Technological Institute for Superhard and Novel Carbon Materials; Moscow Institute of Physics and Technology

Author for correspondence.
Email: dmprikhodko@gmail.com
Russian Federation, ul. Tsentralnaya 7a, Troitsk, Moscow, 108840; per. Institutskiy 9, Dolgoprudny, Moscow Region, 141700

S. Tarelkin

Technological Institute for Superhard and Novel Carbon Materials; National University of Science and Technology MISiS

Email: dmprikhodko@gmail.com
Russian Federation, ul. Tsentralnaya 7a, Troitsk, Moscow, 108840; pr. Leninskiy 2, Moscow, 119049

V. Bormashov

Technological Institute for Superhard and Novel Carbon Materials; Moscow Institute of Physics and Technology; The All-Russian Research Institute for Optical and Physical Measurements (VNIIOFI)

Email: dmprikhodko@gmail.com
Russian Federation, ul. Tsentralnaya 7a, Troitsk, Moscow, 108840; per. Institutskiy 9, Dolgoprudny, Moscow Region, 141700; ul. Ozernaya 46, Moskow, 119361

A. Golovanov

Technological Institute for Superhard and Novel Carbon Materials; Moscow Institute of Physics and Technology

Email: dmprikhodko@gmail.com
Russian Federation, ul. Tsentralnaya 7a, Troitsk, Moscow, 108840; per. Institutskiy 9, Dolgoprudny, Moscow Region, 141700

M. Kuznetsov

Technological Institute for Superhard and Novel Carbon Materials

Email: dmprikhodko@gmail.com
Russian Federation, ul. Tsentralnaya 7a, Troitsk, Moscow, 108840

D. Teteruk

Technological Institute for Superhard and Novel Carbon Materials

Email: dmprikhodko@gmail.com
Russian Federation, ul. Tsentralnaya 7a, Troitsk, Moscow, 108840

N. Kornilov

Technological Institute for Superhard and Novel Carbon Materials

Email: dmprikhodko@gmail.com
Russian Federation, ul. Tsentralnaya 7a, Troitsk, Moscow, 108840

A. Volkov

Technological Institute for Superhard and Novel Carbon Materials

Email: dmprikhodko@gmail.com
Russian Federation, ul. Tsentralnaya 7a, Troitsk, Moscow, 108840

A. Buga

Technological Institute for Superhard and Novel Carbon Materials; Moscow Institute of Physics and Technology

Email: dmprikhodko@gmail.com
Russian Federation, ul. Tsentralnaya 7a, Troitsk, Moscow, 108840; per. Institutskiy 9, Dolgoprudny, Moscow Region, 141700

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