SERGEY SURODIN
Articles written in Bulletin of Materials Science
Volume 43 All articles Published: 20 August 2020 Article ID 0234
Gallium nitride nanocrystal formation in Si$_3$N$_4$ matrix by ion synthesis
MANOJ KUMAR RAJBHAR SARAVANAN RAJAMANI S K SINGH SERGEY SURODIN DMITRY NIKOLICHEV RUSLAN KRYUKOV DMITRY KOROLEV ALYONA NIKOLSKAYA ALEXEY BELOV ALEXEY NEZHDANOV ALEXEY MIKHAYLOV DAVID TETELBAUM MAHESH KUMAR
Synthesis of nanoparticles in insulators attracts tremendous attention due to their unique electrical and optical properties. Here, the gallium (Ga) and gallium nitride (GaN) nanoclusters have been synthesized in the silicon nitridematrix by sequential ion implantation (gallium and nitrogen ions) followed by either furnace annealing (FA) or rapid thermal annealing (RTA). The presence of Ga and GaN nanoclusters has been confirmed by Fourier-transform infrared,Raman and X-ray photoelectron spectroscopy. Thereafter, the effect of RTA and FA on the conduction of charge carriers has been studied for the fabricated devices. It is found from the current–voltage measurements that the carrier transport is controlled by the space charge limited current conduction mechanism, and the observed values of parameter $m$ (trap density and the distribution of localized state) for the FA and RTA devices are $\sim$2 and $\sim$4.1, respectively. This reveals that more defects are formed in the RTA device and that FA provides better performance than RTA from the viewpoint ofopto- and nano-electronic applications.
Volume 45, 2022
All articles
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Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
Chemical Sciences 2020
Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
Physical Sciences 2020
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