Morphologies and photoluminescence properties of porous n-InP

Suchikova, Yana; Богданов, Ігор Тимофійович; Onishchenko, S.; Vambol, Sergij; Vambol, Viola; Kondratenko, Olexandr

doi:10.1109/nap.2017.8190154

2017 IEEE 7th International Conference Nanomaterials: Application &Amp; Properties (NAP) 2017

DOI: 10.1109/nap.2017.8190154

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Morphologies and photoluminescence properties of porous n-InP

Yana Suchikova

Ігор Тимофійович Богданов

S. Onishchenko

et al.

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Cited by 2 publications

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“…The dynamics of geochemical peculiarities of migration of heavy metals under the influence of the pyrogenic factor has been studied in our previous works , where we proved that after a fire, acidity of soil increases. No doubt, first of all, this is related to increase in the amount of ash and remains of combustion products which have alkaline reaction (Suchikova Y., et al, 2017). Also, an important role in migration or accumulation of elements belongs to the condition of flammable materials, particularlymoisture of forest litter.…”

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Dynamics of migration property of some heavy metals in soils in Kharkiv region under the influence of the pyrogenic factor

Buts¹,

Asotskyi²,

Kraynyuk³

et al. 2019

Journ. Geol., Geogr., and Geoec..

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In soils after fires trace metals sharply change their migration ability and can form poorly-soluble hydroxides which are hazardous chemical formations, the nature of which has not been fully explored until now. In addition, in interstitial water, there is a probability of the formation by metals of hydroxocomplexes with different amounts of hydroxide ions. We studied the range of dynamics of migration capacity of sedimentation of hydroxides and the region of predominance of soluble hydroxocomplexes by developing logarithmic concentration diagrams (LCD). We developed logarithmic concentration diagrams, the equation of formation of prevailing forms, using which it is possible to clearly determine the regions of maximum sedimentation (accumulation) of hydroxides and hydroxocomplexes of heavy metals after the influence of the pyrogenic factor. The obtained calculations of the results of the predictive modeling of the dynamics of migration capacity and postpyrogenic migration geochemical processes in ecogeosystems have been organized and systematized. The determined patterns can be useful for the analysis of possible geochemical migration (accumulation) of heavy metals in ecological systems in the study of technogenic and ecological situation after fires. Based on the calculations made, mathematical models of heavy metals` behaviour are developed, which are useful for drawing up a forecast estimation of the dynamics of their geochemical migration and accumulation in ecological systems as a result of the influence of the technogenic loading of the pyrogenic factor. The conditions of concentration and migration of compounds of heavy metals were determined, and the equation for calculating the concentration of mobile forms of trace metal compounds has been developed. The developed map of the activity of geochemical migration of heavy metals under the influence of the technogenic loading of pyrogenic factor will make it possible to elaborate the migratory capacity of trace metals and provide a forecast of their behaviour in ecological systems after fires. This will allow preventive measures to be taken to ensure environmental safety and prevent adverse effects on human health and the condition of the components of the environment. The creation of similar cartographic material may be extrapolated to other regions of Ukraine, affected by technogenic loading of pyrogenic factor. The development of logarithmic concentration diagrams allows us to predict the capacity of compounds of lead, nickel, chromium,and copper for migration or accumulation of heavy metals due to changes in the acidity of soils under the influence of the pyrogenic factor. Having used the map of the soils of the Kharkiv region, we analyzed and provided a forecast of the migration ability of lead compounds in cases of fire in different types and subtypes of different environmental conditions.

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mentioning

confidence: 99%

Dynamics of migration property of some heavy metals in soils in Kharkiv region under the influence of the pyrogenic factor

Buts¹,

Asotskyi²,

Kraynyuk³

et al. 2019

Journ. Geol., Geogr., and Geoec..

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Galvanic Formation of the Triple Composition Coatings with Improved Functional Properties

Hapon,

Tregubov,

Slepuzhnikov

et al. 2023

MSF

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The article deals with the pulse electrolysis energy parameters effect on the current efficiency, phase composition and morphology of the cobalt with refractory metals – tungsten and molybdenum galvanic alloys surface. Synthesized coatings corrosion resistance and synthesized coatings catalytic activity testing results in various acidity media are presented. The obtained experimental data for the various composition alloy Co-Mo-W are compared with respective indicators for individual metals. The synergy effect presence due to the alloying elements mutual influence is experimentally established.

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Morphologies and photoluminescence properties of porous n-InP

Cited by 2 publications

References 23 publications

Dynamics of migration property of some heavy metals in soils in Kharkiv region under the influence of the pyrogenic factor

Dynamics of migration property of some heavy metals in soils in Kharkiv region under the influence of the pyrogenic factor

Galvanic Formation of the Triple Composition Coatings with Improved Functional Properties

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