Disorder-tuned conductivity in amorphous monolayer carbon

H Tian, Y Ma, Z Li, M Cheng, S Ning, E Han, M Xu… - Nature, 2023 - nature.com
Correlating atomic configurations—specifically, degree of disorder (DOD)—of an amorphous
solid with properties is a long-standing riddle in materials science and condensed matter …

Wafer-scale synthesis of two-dimensional ultrathin films

AK Singh, B Thakurta, A Giri, M Pal - Chemical Communications, 2024 - pubs.rsc.org
Two-dimensional (2D) materials, consisting of atomically thin layered crystals, have attracted
tremendous interest due to their outstanding intrinsic properties and diverse applications in …

[HTML][HTML] Electronic transport in copper–graphene composites

KN Subedi, K Nepal, C Ugwumadu… - Applied Physics …, 2023 - pubs.aip.org
We investigate electronic transport properties of copper–graphene (Cu–G) composites using
a density-functional theory (DFT) framework. Conduction in composites is studied by varying …

Ab initio structural dynamics of pure and nitrogen-containing amorphous carbon

BA Steele, S Bastea, IFW Kuo - Scientific Reports, 2023 - nature.com
Amorphous carbon (aC) has attracted considerable interest due to its desirable properties,
which are strongly dependent on its structure, density and impurities. Using ab initio …

Exploring the configurational space of amorphous graphene with machine-learned atomic energies

Z El-Machachi, M Wilson, VL Deringer - Chemical Science, 2022 - pubs.rsc.org
Two-dimensionally extended amorphous carbon (“amorphous graphene”) is a prototype
system for disorder in 2D, showing a rich and complex configurational space that is yet to be …

Revealing mechanistic insights into amorphous graphite formation from oxygenated polar heavy-end aromatic feedstock

MS Nahian, R Pritom, MM Islam - The Journal of Physical …, 2023 - ACS Publications
Carbon fibers exhibit a wide range of structures including crystalline, amorphous, and
partially crystalline arrangements. Research on disordered carbon has recently unveiled …

Neural network interatomic potential for laser-excited materials

P Plettenberg, B Bauerhenne, ME Garcia - Communications Materials, 2023 - nature.com
Data-driven interatomic potentials based on machine-learning approaches have been
increasingly used to perform large-scale, first-principles quality simulations of materials in …

Electronic conductivity in metal-graphene composites: the role of disordered carbon structures, defects, and impurities

K Nepal, C Ugwumadu, A Gautam… - Journal of Physics …, 2024 - iopscience.iop.org
This paper explores the transport properties of aluminum-carbon composite material via ab
initio methods. Interfacial and electronic dynamics of the aluminum-graphene interface …

3D Printing of Sustainable Coal Polymer Composites: Study of Processing, Mechanical Performance, and Atomistic Matrix–Filler Interaction

LE Veley, C Ugwumadu, JP Trembly… - ACS Applied Polymer …, 2023 - ACS Publications
Bituminous coal was utilized as a particulate filler in polymer-based composites to fabricate
standard 1.75 mm coal-plastic composite filaments for material extrusion 3D printing. The …

[HTML][HTML] The effects of crystal orientation and common coal impurities on electronic conductivity in copper–carbon composites

K Nepal, C Ugwumadu, F Kraft, Y Al-Majali… - Carbon, 2025 - Elsevier
The electronic conduction properties of copper–graphene composite materials including
common coal impurities are studied. Exploring the transport properties for three …