Nikita Orekhov

ORCID: 0000-0003-4951-382X
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About
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Research Areas
  • Graphene research and applications
  • Carbon Nanotubes in Composites
  • nanoparticles nucleation surface interactions
  • Fullerene Chemistry and Applications
  • Advanced Chemical Physics Studies
  • Graphite, nuclear technology, radiation studies
  • Ion-surface interactions and analysis
  • Molecular Sensors and Ion Detection
  • Diamond and Carbon-based Materials Research
  • Machine Learning in Materials Science
  • Crystallography and molecular interactions
  • Laser-Ablation Synthesis of Nanoparticles
  • Nanotechnology research and applications
  • Supramolecular Self-Assembly in Materials
  • Metal and Thin Film Mechanics
  • Catalytic Processes in Materials Science
  • Quantum Electrodynamics and Casimir Effect
  • Material Properties and Applications
  • Advanced Thermodynamics and Statistical Mechanics
  • Melamine detection and toxicity
  • Mechanical and Optical Resonators
  • Silicon and Solar Cell Technologies
  • Integrated Circuits and Semiconductor Failure Analysis
  • Polymer Nanocomposite Synthesis and Irradiation
  • Advanced Physical and Chemical Molecular Interactions

Moscow Institute of Physics and Technology
2014-2024

Skolkovo Institute of Science and Technology
2024

ITMO University
2024

Joint Institute for High Temperatures
2015-2023

Bauman Moscow State Technical University
2020-2023

Moscow Power Engineering Institute
2020-2021

Moscow Aviation Institute
2020-2021

Russian Academy of Sciences
2014-2015

A containerless chemical reaction observed in a levitating droplet cluster for the first time is used information processing.

10.1039/d4sc03066d article EN cc-by Chemical Science 2024-01-01

<title>Abstract</title> Nanophotonics relies on precise nanoscale structuring, yet conventional fabrication techniques remain complex and costly. Layered van der Waals (vdW) materials, with their intrinsic anisotropy high refractive indices, offer a promising route toward simplified nanostructuring tunable optical functionality. However, no vdW material has previously been shown to exhibit strong photorefractive effect—a key requirement for light-based modulation. Here we report giant...

10.21203/rs.3.rs-6463506/v1 preprint EN Research Square (Research Square) 2025-04-21

On the basis of computational and experimental approaches, we provide molecular-level insights into melamine cyanurate (M-CA) self-assembly in aqueous solution identify corresponding mechanisms aggregation. Our analysis implies that small M-CA molecular complexes are stabilized predominantly via aromatic π–π-stacking rather than by formation hydrogen bonds. We demonstrate variation [M]/[CA] component concentration ratio results a smooth change structure critical nuclei from more disordered...

10.1021/acs.cgd.0c01285 article EN Crystal Growth & Design 2021-03-08

Supramolecular organic systems can be used as a host for the encapsulation of small molecules. Here, we chose melamine barbiturate robust system capable supramolecular assembly and Rhodamine 6G dye entrapment guest molecule. The was investigated by UV-visible spectroscopy, SEM optical fluorescent microscopy while insight into crystal structure obtained single powder XRD. For investigation system’s properties on molecular level, DFT Classical Molecular Dynamics methods were utilized....

10.3390/sym13071119 article EN Symmetry 2021-06-23

The experimental data on graphite melting temperature remain poorly determined despite the long history of investigations. results cover wide span from 3800 to 5000 K that is an essentially larger uncertainty than errors individual experiments. In this work, we deploy molecular dynamics method and expand our previous study kinetics comparing different carbon interatomic potentials. Here consider front propagation rate, aspects defect formation single graphene layer decay. obtained allow us...

10.1088/1742-6596/653/1/012090 article EN Journal of Physics Conference Series 2015-11-11

In this paper, we present our first results in the study of details nucleation homogeneous carbon gas phase using computer calculations with molecular dynamics methods. Direct and controlled molecular-dynamics approaches are used two reactive potentials (ReaxFF AIREBO) compared. The have shown that process AIREBO model is going more actively than ReaxFF one.

10.1088/1742-6596/774/1/012033 article EN Journal of Physics Conference Series 2016-11-01

Development of adaptive self-regulating materials and chemical–biological systems—self-healing, self-regulating, etc.—is an advanced modern trend. The very sensitive pH-controlled functionality supramolecular assemblies is a useful tool for chemical biochemical implementations. However, the assembly process can be tuned by various factors that used both better control further functionalization such as active species, e.g., drugs dyes, encapsulation. Here, effect dye, sodium fluorescein...

10.1021/acsomega.1c01124 article EN cc-by-nc-nd ACS Omega 2021-06-25

Vacuum fluctuations are a fundamental and irremovable property of quantized electromagnetic field. These the cause Casimir effect---mutual attraction two electrically neutral metallic plates in vacuum absence any other interactions. For most geometries materials, effect is strictly attractive, leading to only stable equilibrium configuration with merged plates. Recent observation showed, however, that this unavoidable vacuum-induced can be mitigated by presence electrostatic repulsion...

10.1103/physrevb.109.195411 article EN Physical review. B./Physical review. B 2024-05-03

10.1134/s1028335815030052 article EN Doklady Physics 2015-03-01

Transition of molecular hydrogen to atomic ionized state with increase temperature and pressure poses still unresolved problems for experimental methods theory. Here we analyze the dynamics this transition show its nonequilibrium non-adiabatic character overlooked in both interpreting data theoretical models. The mechanism explains strong isotopic effect [Zaghoo, Husband, Silvera, Phys. Rev. B 98, 104102 (2018)] large latent heat [Houtput, Tempere, 100, 134106 (2019)] reported recently. We...

10.1103/physrevb.101.100101 article EN Physical review. B./Physical review. B 2020-03-18

In this work, we considered the formation of supramolecular assemblies melamine-thiobarbiturate and melamine-barbiturate-thiobarbiturate. It is known that thiobarbituric acid can form many tautomers, as well different motifs due to change C2=O C2=S hydrogen bonds. We formed crystal. The resulting crystals were studied with scanning electron microscopy (SEM), optical fluorescence microscopy, single crystal powder (PXRD) X-ray diffraction analyses, solid state nuclear magnetic resonance (ss...

10.3390/cryst13091302 article EN cc-by Crystals 2023-08-25
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