[HTML][HTML] Graphene Quantum Dot Solid Sheets: Strong blue-light-emitting & photocurrent-producing band-gap-opened nanostructures

G Bharathi, D Nataraj, S Premkumar, M Sowmiya… - Scientific reports, 2017 - nature.com
Graphene has been studied intensively in opto-electronics, and its transport properties are
well established. However, efforts to induce intrinsic optical properties are still in progress …

Tweaking the mechanical stability of Al1− xWxN ternary nitride alloys for hard coating applications, and study on their structural, photoluminescence and surface …

A Madhuri, S Jena, M Gupta, BP Swain - Journal of Alloys and Compounds, 2023 - Elsevier
This study focuses on the synthesis and achievement of ternary Al 1− x W x N nitride films as
hard coating materials. A dual-target DC reactive magnetron sputtering process was used to …

Investigation of interfacial and interdiffusion study of Ti2N MXene phase from TiN/Ti multilayers

S Jena, A Madhuri, M Gupta, BP Swain - Thin Solid Films, 2023 - Elsevier
Ti 2 N MXene phase was synthesized by interdiffusion of TiN/Ti multilayers by dc-magnetron
sputtering at 698 K. The Atomic force microscopy (AFM) reveals the root mean square (RMS) …

Electron–phonon interactions and superconductivity of β-Nb2N thin films

S Kalal, A Tayal, S Karmakar, R Joshi, R Rawat… - Applied Physics …, 2023 - pubs.aip.org
Niobium nitride (NbN) has attracted scientific interest due to its diverse physical properties
and a variety of structural phases. The structure and superconductivity of the cubic δ-NbN …

Rigid-band electronic structure of scandium nitride across the -type to -type carrier transition regime

S Nayak, M Baral, M Gupta, J Singh, M Garbrecht… - Physical Review B, 2019 - APS
Intentional doping and unintentional impurities in intrinsic semiconductors generate carriers
that enable device operations. Fundamental to the electronic activity of dopants and …

Study of phase formulation in CrN thin films and its response to a minuscule oxygen flow in reactive sputtering process

Y Tripathi, R Gupta, M Gupta, DM Phase, P Rajput - Thin Solid Films, 2019 - Elsevier
We studied CrN thin films grown by a reactive direct current magnetron sputtering process.
Starting with pure Cr, as nitrogen is added, initially N atoms occupy interstitial positions in …

Strain-Induced Valence Band Splitting Enabling Above-Bandgap Exciton Luminescence in Epitaxial Mg3N2 Thin Films

N Shukla, S Rudra, R Karanje… - Chemistry of …, 2024 - ACS Publications
Excitons are the lowest excited state of the electronic subsystem in semiconductors,
composed of a bound electron–hole pair interacting via screened coulomb potential …

Study of magnetic iron nitride thin films deposited by high power impulse magnetron sputtering

A Tayal, M Gupta, A Gupta, V Ganesan… - Surface and Coatings …, 2015 - Elsevier
In this work, we studied phase formation, structural and magnetic properties of iron-nitride
(Fe-N) thin films deposited using high power impulse magnetron sputtering (HiPIMS) and …

Origin of anomalous diffusion in iron mononitride thin films

A Tayal, M Gupta, A Gupta, P Rajput, J Stahn - Physical Review B, 2015 - APS
In this work we aim to resolve the counterintuitive diffusion behavior of Fe and N atoms in an
iron mononitride (FeN) thin film. It was observed that in spite of their larger size, Fe atoms …

Effect of interfacial interdiffusion on magnetism in epitaxial films on substrates

N Pandey, S Pütter, SM Amir, VR Reddy, DM Phase… - Physical review …, 2019 - APS
Epitaxial Fe 4 N thin films grown on LaAlO 3 (LAO) substrate using sputtering and molecular
beam epitaxy techniques have been studied in this work. Within the sputtering process, films …