Tunable and weakly negative permittivity in carbon/silicon nitride composites with different carbonizing temperatures

C Cheng, R Fan, Z Wang, Q Shao, X Guo, P Xie, Y Yin… - Carbon, 2017 - Elsevier
Despite the exotic electromagnetic properties have been demonstrated in metamaterials to
date, how to effectively adjust negative electromagnetic parameters remains a challenge …

Feasibility of using diamond-like carbon films in total joint replacements: a review

A Roy, A Bennett, L Pruitt - Journal of Materials Science: Materials in …, 2024 - Springer
Diamond-like Carbon (DLC) has been used as a coating material of choice for a variety of
technological applications owing to its favorable bio-tribo-thermo-mechanical …

A review of plasma-assisted deposition methods for amorphous carbon thin and ultrathin films with a focus on the cathodic vacuum arc technique

A Roy, S Wang, K Komvopoulos - Journal of Materials Research, 2023 - Springer
Amorphous carbon (aC) films have garnered significant attention over the past few decades,
principally due to their remarkable thermophysical properties, strong adherence to various …

“It's team work”: Multilayered wear-resistant and lubricating overcoats derived from the synergy of ultrathin carbon surface and interface chemistry

R Kumar, P Bharti, C Dhand, RJ Yeo, M Zhang… - Applied Surface …, 2023 - Elsevier
High friction and wear remain the major concerns in moving mechanical assemblies
(MMAs), leading to an excessive amount of wasted energy and premature system failure …

Atomic Cross-Talk at the Interface: Enhanced Lubricity and Wear and Corrosion Resistance in Sub 2 nm Hybrid Overcoats via Strengthened Interface Chemistry

R Kumar, P Bharti, K Sasikumar, C Dhand, R Kumar… - Nano Letters, 2022 - ACS Publications
Friction, wear, and corrosion remain the major causes of premature failure of diverse
systems including hard-disk drives (HDDs). To enhance the areal density of HDDs beyond 1 …

Slippery and wear-resistant surfaces enabled by interface engineered graphene

N Dwivedi, T Patra, JB Lee, RJ Yeo, S Srinivasan… - Nano …, 2019 - ACS Publications
Friction and wear remain the primary cause of mechanical energy dissipation and system
failure. Recent studies reveal graphene as a powerful solid lubricant to combat friction and …

Boosting contact sliding and wear protection via atomic intermixing and tailoring of nanoscale interfaces

N Dwivedi, RJ Yeo, C Dhand, J Risan, R Nay… - Science …, 2019 - science.org
Friction and wear cause energy wastage and system failure. Usually, thicker overcoats serve
to combat such tribological concerns, but in many contact sliding systems, their large …

Ultrathin amorphous carbon films synthesized by filtered cathodic vacuum arc used as protective overcoats of heat-assisted magnetic recording heads

J Matlak, K Komvopoulos - Scientific Reports, 2018 - nature.com
Despite numerous investigations of amorphous carbon (aC) films, a comprehensive study of
the feasibility and optimization of sub-5-nm-thick aC films deposited onto the write pole of …

Evidence for Chemicals Intermingling at Silicon/Titanium Oxide (TiOx) Interface and Existence of Multiple Bonding States in Monolithic TiOx

N Dwivedi, RJ Yeo, HR Tan, R Stangl… - Advanced Functional …, 2018 - Wiley Online Library
Metal oxides (MOs) are used in photovoltaics and microelectronics as surface passivating
layers and gate dielectrics, respectively. The effectiveness of MOs predominantly depends …

Angstrom-Scale Transparent Overcoats: Interfacial Nitrogen-Driven Atomic Intermingling Promotes Lubricity and Surface Protection of Ultrathin Carbon

N Dwivedi, A Neogi, TK Patra, C Dhand, T Dutta… - Nano Letters, 2021 - ACS Publications
Lubricity, a phenomenon which enables the ease of motion of objects, and wear resistance,
which minimizes material damage or degradation, are important fundamental characteristics …