Self-organization of copper nanosystems under Volmer–Weber conditions during quasi-equilibrium condensation

Perekrestov, V. I.; Kosminska, Yu. O.; Kornyushchenko, A. S.; Latyshev, Vitalii

doi:10.1016/j.physb.2012.11.036

Cited by 23 publications

(12 citation statements)

References 43 publications

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“…Some peculiarities of the self-organization of lowdimensional systems during the condensation of weakly supersaturated vapors have been considered in our previous works [11][12][13][14]. Particular interest is related to characteristic features of the formation of Zn nanosystems directly on the outer surface of AOA membranes under conditions of ultimately weak supersaturation of deposited vapors.…”

Section: Doi: 101134/s1063785017020201mentioning

confidence: 99%

“…In this case, the conductivity of a substrate is not important and the effective formation of nanosystems in the porous membrane template is favored by creating a directional vapor flow inward into the pores and maintaining vapor supersaturation at the substrate surface higher than that over the outer membrane surface. This approach allows nanosystems to be formed on arbitrary substrates.Some peculiarities of the self-organization of lowdimensional systems during the condensation of weakly supersaturated vapors have been considered in our previous works [11][12][13][14]. Particular interest is related to characteristic features of the formation of Zn nanosystems directly on the outer surface of AOA membranes under conditions of ultimately weak supersaturation of deposited vapors.…”

mentioning

confidence: 99%

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Zinc-nanosystem-structure formation using anodic-oxidized aluminum membranes

et al. 2017

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Abstract-We propose a new method for the formation of zinc nanosystems by condensation of a weakly supersaturated Zn vapor in pores of the anodic-oxidized aluminum membrane (AOA)-silicon substrate system. For this purpose, a weak Zn vapor flow is created by magnetron sputtering of Zn target in a high-purity inert gas atmosphere and maintaining a temperature of the porous AOA membrane outer surface higher than that of the substrate. This drives a directional Zn vapor flow inward membrane parallel to the pore generatrix and favors effective penetration of Zn vapor into the membrane. DOI: 10.1134/S1063785017020201Ordered arrays of metal and semiconductor nanoislands have drawn much research interest due to the good prospects of their use in electronics, optoelectronics, sensors, thin displays, and high-density data-storage media [1,2]. Various metal nanosystems are usually obtained with the aid of nanotemplates of porous anodic-oxidized aluminum (AOA) membranes [3][4][5], electron-beam nanolithography [6][7][8], and self-assembly processes [9,10]. It should be noted that the template approach employing AOA membranes is usually realized by means of electrolytic deposition [4,5]. A necessary condition for implementing this method is a sufficiently high electric conductivity of substrates, which imposes certain limitations on the spectrum of acceptable substrate materials.In contrast to using electrolytic deposition for the formation of ordered Zn nanoisland arrays, we propose a more universal method of substance condensation near thermodynamic equilibrium onto the anodic-oxidized aluminum membrane (AOA)-substrate system. In this case, the conductivity of a substrate is not important and the effective formation of nanosystems in the porous membrane template is favored by creating a directional vapor flow inward into the pores and maintaining vapor supersaturation at the substrate surface higher than that over the outer membrane surface. This approach allows nanosystems to be formed on arbitrary substrates.Some peculiarities of the self-organization of lowdimensional systems during the condensation of weakly supersaturated vapors have been considered in our previous works [11][12][13][14]. Particular interest is related to characteristic features of the formation of Zn nanosystems directly on the outer surface of AOA membranes under conditions of ultimately weak supersaturation of deposited vapors. The choice of zinc is explained by the fact that, in combination with a quite simple oxidation method, this approach can be used for obtaining ZnO nanosystems with a broad spectrum of potential applications.In this context, the main aim of this work was to study the mechanisms of structure formation in Zn nanosystems on the surface of a Si substrate and the outer surface of AOA membranes during the condensation of weakly supersaturated Zn vapors onto the membrane-substrate (AOA-Si) system under conditions of a lower temperature of the substrate surface as compared to that of the outer membrane surface.The condensation of a s...

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Section: Doi: 101134/s1063785017020201mentioning

confidence: 99%

mentioning

confidence: 99%

Zinc-nanosystem-structure formation using anodic-oxidized aluminum membranes

et al. 2017

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“…В цьому випадку передача надлишкової енергії від частинок плазми до адатомів, додатковий розігрів ростової поверхні плаз-мою, а також надлишкова енергія осаджуваних атомів в значній мірі підвищують ймовірність повторного ревипаровування адато-мів. Раніше ми зазначали [15][16][17][18][19][20][21][22][23][24][25][26][27][28][29], що врахувати дію плазми на по-верхню росту можна шляхом зниження Е d до ефективного значен-ня. При цьому конденсація зворотних парових потоків має свої від-мітні особливості, які визначаються відсутністю автономного на-грівача підложжя 6 та дією на ростову поверхню більш енергетич-них йонів плазми.…”

Section: методика експериментуunclassified

Effect of Decrease in a Threshold of Percolation in Ultrathin Films of Silver at Quasi-Equilibrium Condensation and Action of Plasma on a Growth Surface

Kosminska¹,

Perekrestov²,

Загайко³

2016

Metallofiz. Noveishie Tekhnol.

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Вивчено закономірності структуроутворення надтонких плівок срібла на відколах KCl, а також на відколах KCl, покритих шаром полімеру PC403 або ma-N405. Виявлено ефект, еквівалентний зниженню порогу перколя-ції. Він є наслідком використання методики осадження, при якій на по-верхню підложжя безпосередньо діє низькотемпературна плазма та пари конденсуються за умов, близьких до термодинамічної рівноваги. На осно-ві досліджень за допомогою просвітлювальної електронної мікроскопії й електронної дифракції встановлено, що зародження плівки срібла відбу-вається у вигляді формування надтонкого аморфного шару, а при пода-льшому нарощуванні плівки стається поступовий перехід у полікристалі-чний стан або зародження та ріст незв'язаних один з одним об'ємних кри-сталів.Ключові слова: плівка срібла, перколяція, нуклеація, аморфна фаза, ма-гнетронне розпорошення, плазма.Изучены закономерности структурообразования сверхтонких плёнок се-ребра на сколах KCl, а также сколах KCl, покрытых полимером PC403 или ma-N405. Обнаружен эффект, эквивалентный снижению порога пер-коляции. Он является следствием использования методики осаждения, при которой на поверхность подложки непосредственно воздействует

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“…5(b) and (c), the dense and well-bonded coatings are obtained with the increase in oxygen flow. According to the Volmer-Weber mode, 27 stable nucleus can capture atoms both diffused from the surface of substrate and sputtered from the target, leading to the increment of the grain size. Numerous growing grains make isolated α-Al 2 O 3 island grow into continuous coatings.…”

Section: Oxidationmentioning

confidence: 99%

Optimization of Deposition Parameters for α-Al2O3 Coatings by Double Glow Plasma Technique

Lin¹,

Shen

Chen

et al. 2015

Kem. Ind.

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The parameters to prepare α-Al 2 O 3 coatings by double glow plasma technique were optimized to obtain dense and thick α-Al 2 O 3 coatings on 316 L stainless steel at low temperature of 580 °C. The parallel distance between the source electrode and the substrate, working pressure, source electrode voltage, and workpiece electrode voltage were designed by L9 Orthogonal array design. The thickness, microstructure, chemical composition and phase components of the sputter-deposited Al/α-Al 2 O 3 coatings were analysed by means of 3-D non-contact surface profiler analysis, scanning electron microscopy equipped with energy dispersive X-ray spectrometry and glancing-angle X-ray diffraction, respectively. The results indicated that the parallel distance between the source electrode and the substrate played a dominant role in determining the thickness of the films. The coatings prepared at the optimum parameters exhibited a very dense, uniform, and compact microstructure without any cracks and defects. It was found that iron aluminide formed at the interface between the coatings and the substrates. The thickness of the coatings reached about 11.6 μm at the deposition rate of ~64.4 nm min -1. The oxidized coatings with the lowest porosity about 0.13 % had relative content of α-Al 2 O 3 as high as 66.5 % when oxygen flow was 2 sccm.

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Self-organization of copper nanosystems under Volmer–Weber conditions during quasi-equilibrium condensation

Cited by 23 publications

References 43 publications

Zinc-nanosystem-structure formation using anodic-oxidized aluminum membranes

Zinc-nanosystem-structure formation using anodic-oxidized aluminum membranes

Effect of Decrease in a Threshold of Percolation in Ultrathin Films of Silver at Quasi-Equilibrium Condensation and Action of Plasma on a Growth Surface

Optimization of Deposition Parameters for α-Al2O3 Coatings by Double Glow Plasma Technique

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