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    Article

    MXenes with ordered triatomic-layer borate polyanion terminations

    Surface terminations profoundly influence the intrinsic properties of MXenes, but existing terminations are limited to monoatomic layers or simple groups, showing disordered arrangements and inferior stability...

    Dongqi Li, Wenhao Zheng, Sai Manoj Gali, Kamil Sobczak, Michal Horák in Nature Materials (2024)

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    Article

    Characteristics of glucose oxidase immobilized on carbon-encapsulated iron nanoparticles decorated with polyethyleneimine

    This study aimed to conjugate glucose oxidase (GOX) with carbon-encapsulated iron nanoparticles (Fe@C) which were functionalized with carboxylic groups and decorated with branched polyethyleneimine (PEI), in o...

    Magdalena Bamburowicz-Klimkowska, Artur Kasprzak, Michal Bystrzejewski in Polymer Bulletin (2023)

  3. Article

    Open Access

    Vanadium oxide nanorods as an electrode material for solid state supercapacitor

    The electrochemical properties of metal oxides are very attractive and fascinating in general, making them a potential candidate for supercapacitor application. Vanadium oxide is of particular interest because...

    Amrita Jain, Sai Rashmi Manippady, Rui Tang, Hirotomo Nishihara in Scientific Reports (2022)

  4. Article

    Open Access

    Topological surface currents accessed through reversible hydrogenation of the three-dimensional bulk

    Hydrogen, the smallest and most abundant element in nature, can be efficiently incorporated within a solid and drastically modify its electronic and structural state. In most semiconductors interstitial hydrog...

    Haiming Deng, Lukas Zhao, Kyungwha Park, Jiaqiang Yan in Nature Communications (2022)

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    Article

    High-temperature quantum anomalous Hall regime in a MnBi2Te4/Bi2Te3 superlattice

    The quantum anomalous Hall effect1,2 is a fundamental transport response of a topological insulator in zero magnetic field. Its physical origin is a result of an intrinsically inverted electronic band structure a...

    Haiming Deng, Zhiyi Chen, Agnieszka Wołoś, Marcin Konczykowski in Nature Physics (2021)

  6. Article

    Open Access

    Long-distance coupling and energy transfer between exciton states in magnetically controlled microcavities

    Coupling of quantum emitters in a semiconductor relies, generally, on short-range dipole-dipole or electronic exchange type interactions. Consistently, energy transfer between exciton states, that is, electron...

    Maciej Ściesiek, Krzysztof Sawicki, Wojciech Pacuski in Communications Materials (2020)

  7. Article

    Open Access

    Triple threshold lasing from a photonic trap in a Te/Se-based optical microcavity

    Lasing relies on light amplification in the active medium of an optical resonator. There are three lasing regimes in the emission from a quantum well coupled to a semiconductor microcavity. Polariton lasing in...

    Krzysztof Sawicki, Jean-Guy Rousset, Rafał Rudniewski in Communications Physics (2019)

  8. Article

    Open Access

    The new nano-enabled phase map of ZrO2-Al2O3

    Rapid development of nanotechnology often requires verification of existing phase diagrams, which were suitable for bulk materials. This work presents a new phase map (phase diagram) for Al2O3-ZrO2 crystalline po...

    Iwona Koltsov, Giora Kimmel, Svitlana Stelmakh, Kamil Sobczak in Scientific Reports (2019)

  9. Article

    Open Access

    Determination of Parameters Useful for the Control of the Average Size of Pd Nanoparticles for C–Pd Composite

    Carbon–palladium composites have been investigated by the method of transmission electron microscopy. The composites have been obtained by two different processes: physical vapor deposition (PVD) and chemical ...

    Kamil Sobczak in International Journal of Thermophysics (2015)

  10. Article

    Open Access

    Magnetic Fe doped ZnO nanofibers obtained by electrospinning

    We demonstrate structural and room temperature magnetic properties of Fe doped ZnO nanofibers (NFs) obtained by electrospinning followed by calcination. The observed NFs, formed from crystalographically orient...

    Anna Baranowska-Korczyc, Anna Reszka in Journal of Sol-Gel Science and Technology (2012)

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    Article

    The growth kinetics of colloidal ZnO nanoparticles in alcohols

    We have studied the synthesis of ZnO nanostructures over a wide range of parameters to determine the kinetics of the nanocrystals growth. The initial rapid nucleation and growth is kinetically controlled, the ...

    Bożena Sikora, Krzysztof Fronc in Journal of Sol-Gel Science and Technology (2012)