Phonon softening in nanostructured phonon–mediated superconductors

SL Prischepa, VN Kushnir - Journal of Physics: Condensed …, 2023 - iopscience.iop.org
Various aspects of phonon spectrum changes in nanostructured phonon-mediated
superconductors are considered. It is shown how, with the development of experimental …

Defect engineering of CVD graphene and real-time Raman study of NO2 adsorption toward enhanced sensing sensitivity

LTM Thy, NT Giang, N Hang, LT Nhiem - FlatChem, 2023 - Elsevier
In this study, an adsorption mechanism of NO 2 gas on monolayer graphene (MG) was
investigated by using real-time Raman mapping to record data during the NO 2 sensing …

Electrical conductivity and magnetoresistance in twisted graphene electrochemically decorated with Co particles

АК Fedotov, SL Prischepa, JA Fedotova… - Physica E: Low …, 2020 - Elsevier
Application of magnetic metal/graphene hybrid structures in magnetosensorics requires the
formation of high-quality low-ohmic (barrier-free) contacts and understanding of …

Superconducting critical temperature and softening of the phonon spectrum in ultrathin Nb and NbN/graphene hybrids

SL Prischepa, VN Kushnir, C Cirillo… - Superconductor …, 2021 - iopscience.iop.org
Superconductivity is studied in hybrids consisting of ultrathin superconducting film/few layer
graphene. Two different superconductors are used for this purpose, Nb and NbN. An …

Raman Spectroscopy Study of the Charge Carrier Concentration and Mechanical Stresses in Graphene Transferred Employing Different Frames

EA Dronina, MM Mikhalik, NG Kovalchuk… - Journal of Applied …, 2023 - Springer
The charge carrier concentration (n) and relative strain (ε) in graphene synthesized by
chemical vapor deposition and transferred to the surface of SiO2/Si substrate using two …

Doping and stress induced raman shifts in Pd-decorated CVD grown graphene

R Kumar - ECS Journal of Solid State Science and Technology, 2021 - iopscience.iop.org
In this article, we study the interactions of graphene and Pd by using Raman spectroscopy.
Graphene grown by chemical vapor deposition (CVD) method was decorated with Pd films …

Transition between canted antiferromagnetic and spin-polarized ferromagnetic quantum Hall states in graphene on a ferrimagnetic insulator

Y Li, M Amado, T Hyart, GP Mazur, V Risinggård… - Physical Review B, 2020 - APS
In the quantum Hall regime of graphene, antiferromagnetic and spin-polarized ferromagnetic
states at the zeroth Landau level compete, leading to a canted antiferromagnetic state …

Direct patterning of nitrogen-doped chemical vapor deposited graphene-based microstructures for charge carrier measurements employing femtosecond laser …

NG Kovalchuk, KA Niherysh… - Journal of Physics D …, 2019 - iopscience.iop.org
Chemical vapor deposited nitrogen-doped graphene, transferred onto a SiO 2/Si substrate,
was selectively patterned by femtosecond laser ablation for the formation of the topology …

Functionalisation of CVD graphene for gas sensing

AK Aladim - 2023 - theses.ncl.ac.uk
Due to several of its physical properties, graphene is well suited to use within gas sensing
devices. The extremely large surface-to-volume ratio and atomic thinness means any …

Optimizing Electronic Properties of Single-Layer Graphene for Device Applications by Noncovalent Chemical Doping

김화랑 - 2022 - s-space.snu.ac.kr
Since its first discovery as a flake-form from mechanical exfoliation of highly-oriented
pyrolytic graphite (HOPG) using tape in 2004, numerous studies have shown that graphene …