SPbPU Journal - Physics and Mathematics
    St. Petersburg Polytechnic University Journal: Physics and MathematicsPeter the Great St. Petersburg Polytechnic University
    Since 2008
    ISSN 2304-9782
    ISSN 2618-8686
    ISSN 2405-7223
    enАнглийский
    Version for the visually impaired
    AuthorAlexey V. Romashkin
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    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
    • 22
    • 6550
    • 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
    • 67
    • 6048
    • 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
    • 24
    • 5424
    • 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
    • 47
    • 4204
    • 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
    • 31
    • 4239
    • 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
    • 18
    • 1571
    • Pages: 12-18