Semiconductor Physics, Quantum Electronics & Optoelectronics, 24 (3), P. 288-294 (2021).

The model of potential barrier appearing in a hydrolayer localized in a two-layer porous nanostructure
Yu.Yu. Bacherikov1,*, O.B. Okhrimenko1, V.Yu. Goroneskul1, V.V. Ponomarenko1, A.V. Gilchuk2, S.K. Tytov2, A.I. Lyubchyk3

1V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine,
41, prospect Nauky, 03680 Kyiv, Ukraine;
2National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”
37, prospect Peremohy, 03506 Kyiv, Ukraine
3Lusófona University, IDEGI, Campo Grande, 376 1749-024 Lisboa, Portugal

Abstract. A model has been proposed to describe the potential barrier that appears during interaction of two compacted layers consisting of hydrophilic oxide nanoparticles of different sizes in each layer upon saturation of this structure with adsorbed water. The dependence of the space charge density of the compacted powder material on the density of particles in it has been theoretically calculated. The distribution of the potential over the thickness of contact between two layers consisting of nanoparticles with different sizes has been obtained.

Keywords: potential barrier, two-layer porous structure, hydrated layer, nanoparticles.

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