SPbPU Journal - Physics and Mathematics
St. Petersburg Polytechnic University Journal: Physics and Mathematics Peter the Great St. Petersburg Polytechnic University
Since 2008
ISSN 2304-9782
ISSN 2618-8686
ISSN 2405-7223
en Английский
Version for the visually impaired
Author Alexey V. Romashkin
Submit Your Paper
Latest issues
Alexey V. Romashkin
Alexey V. Romashkin

On the mechanism of CNT network NH3 sensitivity: modeling and experimental study of the density effect

Physical electronics
Struchkov N.S. Kozlovskaya E.A. Tsarik K.A. Lashkov A.V. Levin D.D. Romashkin A.V.
  • Year: 2022
  • Volume: 15
  • Issue: 3.3
  • 17
  • 5211
  • Pages: 151-156

Improved polymer residuals removing after the graphene transfer to enhance sensors performance

Structure growth, surface, and interfaces
Barsukov L.A. Nekrasov N.P. Romashkin A.V. Bobrinetskiy I.I. Levin D.D. Nevolin V.K.
  • Year: 2023
  • Volume: 16
  • Issue: 1.3
  • 58
  • 4505
  • Pages: 44-49

Mechanisms of residual polymer removal in solvent mixtures after the graphene transfer and effects on channel conductivity gate control

Physical materials technology
Nekrasov N.P. Romashkin A.V. Barsukov L.A. Nikitin K.G. Levin D.D. Bobrinetskiy I.I. Nevolin V.K.
  • Year: 2023
  • Volume: 16
  • Issue: 3.2
  • 21
  • 3902
  • Pages: 217-222

Change in the carbon nanotube thin layer refractive index after water and ammonia molecules adsorption

Condensed matter physics
Romashkin A.V. Rozanov R.Yu. Lashkov A.V. Vishnevskiy A.S. Mitrofanova A.E. Levin D.D. Svetikov V.V.
  • Year: 2024
  • Volume: 17
  • Issue: 3.1
  • 44
  • 2847
  • Pages: 68-74

Low-temperature treatment of Al/Ti nanolayers to form solid solution in order to improve the ohmic contacts process formation

Physical materials technology
Nikitin K.G. Barsukov L.A. Romashkin A.V. Trifonov A.Yu. Mozhchil R.N. Protasova S.G.
  • Year: 2024
  • Volume: 17
  • Issue: 3.1
  • 27
  • 2744
  • Pages: 271-277

Comparison of the refractive index changes of nanolayers of amidated and carboxylated carbon nanotubes after adsorption of water and ammonia molecules

Condensed matter physics
Romashkin A.V. Rozanov R.Yu. Vishnevskiy A.S. Mitrofanova A.E. Stebelkov A.N. Nepomilueva V.V. Levin D.D. Svetikov V.V. Nevolin V.K.
  • Year: 2025
  • Volume: 18
  • Issue: 3.1
  • 4
  • 85
  • Pages: 12-18