Abstract
The behavior and influence of a preformed Al alloying layer deposited on a silicon substrate on the morphology and orientational growth of arrays of ZnO:Al nanocrystallites have been studied. The stages of the decomposition of the Al doping layer into droplets of the quasi-liquid phase under the action of temperature treatment at the initial stage of the growth process by the vapor–liquid–crystal mechanism are shown. A scheme of the stages of growth of ZnO nanocrystallites by the vapor–liquid–crystal mechanism on a Si substrate with a preliminarily deposited doping metal layer is presented.
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Funding
The work was carried out using the equipment of the Central Collective Center of the Federal Research Center Crystallography and Photonics of the Russian Academy of Sciences with the support of the Ministry of Science and Higher Education as part of carrying out work on a state order of the Federal Research Center for Crystallography and Photonics of the Russian Academy of Sciences in terms of research using scanning electron microscopy (grant 16-29-11763 ofi-m) for growing arrays of ZnO : Al nanocrystallites.
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Translated by N. Petrov
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Volchkov, I.S., Opolchentsev, A.M., Zadorozhnaya, L.A. et al. The Role of a Liquid Al Sublayer As a Catalyst for the Directional Growth of ZnO Nanocrystals. Tech. Phys. Lett. 45, 643–646 (2019). https://doi.org/10.1134/S1063785019070150
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DOI: https://doi.org/10.1134/S1063785019070150