Origin of a needle-like granular structure for ultrananocrystalline diamond films grown in a N2/CH4 plasma

KJ Sankaran, J Kurian, HC Chen… - Journal of Physics D …, 2012 - iopscience.iop.org
Microstructural evolution as a function of substrate temperature (TS) for conducting
ultrananocrystalline diamond (UNCD) films is systematically studied. Variation of the sp 2 …

In situ detection of dopamine using nitrogen incorporated diamond nanowire electrode

J Shalini, KJ Sankaran, CL Dong, CY Lee, NH Tai… - Nanoscale, 2013 - pubs.rsc.org
Significant difference was observed for the simultaneous detection of dopamine (DA),
ascorbic acid (AA), and uric acid (UA) mixture using nitrogen incorporated diamond …

Effect of argon addition on CH4-H2 microwave plasma: Self-consistent simulation and nanodiamond coating deposition

Z Yang, Z Guo, K An, Y Liu, Y Wang, J Wei, J Liu… - Surface and Coatings …, 2024 - Elsevier
High-quality nanodiamond coatings have immense potential in cutting tools, electronic
devices, and biomedicine. Introducing Ar is a crucial method of enhancing the quality of …

Hybrid diamond/graphite films as electrodes for anodic strip** voltammetry of trace Ag+ and Cu2+

Y Guo, N Huang, B Yang, C Wang, H Zhuang… - Sensors and Actuators B …, 2016 - Elsevier
Hybrid diamond/graphite nanostructures were synthesized in CH 4/H 2 mixture gas using
microwave plasma enhanced chemical vapor deposition (MPCVD) at a power of 10 kW. The …

Origin of conductive nanocrystalline diamond nanoneedles for optoelectronic applications

KJ Sankaran, CJ Yeh, PY Hsieh… - … Applied Materials & …, 2019 - ACS Publications
Microstructural evolution of nanocrystalline diamond (NCD) nanoneedles owing to the
addition of methane and nitrogen in the reactant gases is systematically addressed. It has …

Advances in n-Type Chemical Vapor Deposition Diamond Growth: Morphology and Dopant Control

R Rouzbahani, KJ Sankaran… - Accounts of Materials …, 2024 - ACS Publications
Conspectus Diamond, a wide bandgap semiconductor, has captivated researchers for
decades due to its exceptional properties. While p-type do** has dominated the field, the …

Direct observation and mechanism for enhanced electron emission in hydrogen plasma-treated diamond nanowire films

K Panda, KJ Sankaran, BK Panigrahi… - ACS Applied Materials …, 2014 - ACS Publications
The effect of hydrogen plasma treatment on the electrical conductivity and electron field
emission (EFE) properties for diamond nanowire (DNW) films were systematically …

The valuable role of renucleation rate in ultrananocrystalline diamond growth

DC Barbosa, P Hammer, VJ Trava-Airoldi… - Diamond and Related …, 2012 - Elsevier
This is a comprehensive study of the ultrananocrystalline diamond renucleation rate. The
films deposited in a hot-filament chemical vapor deposition system (HFCVD) used an argon …

Superlubrication properties of ultra-nanocrystalline diamond film sliding against a zirconia ball

R Rani, N Kumar, AT Kozakov, KA Googlev… - RSC …, 2015 - pubs.rsc.org
The friction and wear behavior of ultra-nanocrystalline diamond (UNCD) films are sensitive
to the phase composition, mainly graphite and amorphous carbon (aC), occupying the grain …

Carbon nano-flake ball with a sandwich-structure composite of diamond core covered by graphite using single-step microwave plasma chemical vapor deposition

PH Tsai, HY Tsai - Carbon, 2018 - Elsevier
A three-dimensional nanostructure of carbon material similar to a desert rose stone, named
the carbon nano-flake ball, was fabricated by a single-step microwave plasma chemical …