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We use real-time spectroscopic polarimetric observations of growth and a chemical model derived therefrom, to develop a method of growing dense, two-dimensional zinc oxide epitaxially on sapphire by metalorganic chemical vapor deposition.…

材料科学 · 物理学 2009-10-13 E. J. Adles , D. E. Aspnes

We present the results of experiments on synthesis of ZnO nanoclusters by reactive pulsed laser deposition (PLD). The nanoclusters were formed and crystallized in the gas phase and deposited on SiO2 substrates. The nanostructured films were…

材料科学 · 物理学 2007-05-23 Igor Ozerov , Dimitri Nelson , Alexander V. Bulgakov , Wladimir Marine , Marc Sentis

NiO/ZnO-based thin films, including single-layer and heterostructure configurations, were synthesized to investigate the influence of stacking order on their electrochemical performance for supercapacitor applications. To improve the…

Entropy stabilization has garnered significant attention as a new approach to designing novel materials. Much of the work in this area has focused on bulk ceramic processing, leaving entropy-stabilized thin films relatively underexplored.…

材料科学 · 物理学 2020-06-29 Valerie Jacobson , Dave Diercks , Bobby To , Andriy Zakutayev , Geoff Brennecka

By employing a mixed SnO$_2$+Sn source, we demonstrate suboxide molecular beam epitaxy growth of phase-pure single crystalline metastable SnO(001) thin films at a growth rate of ~1.0nm/min without the need for additional oxygen. These films…

To contemplate an alternative approach for the minimization of diffusion at high temperature depositions, present findings impart viability of room-temperature deposited reactively sputtered ScN thin film samples. The adopted room…

ZnO bulk crystals can be grown by several methods. 1) From the gas phase, usually by chemical vapor transport. Such CVT crystals may have high chemical purity, as the growth is performed without contact to foreign material. The…

材料科学 · 物理学 2019-06-05 Detlef Klimm , Detlev Schulz , Steffen Ganschow , Zbigniew Galazka , Reinhard Uecker

We fabricate and compare nanocomposite thin-film ZnO chemoresistive acetone sensors with gold or palladium nanoparticles on the surface, at low operating temperatures. The sensors are fabricated by pulsed laser deposition and operate in the…

材料科学 · 物理学 2017-04-17 M. Alexiadou , M. Kandyla , G. Mousdis , M. Kompitsas

Zinc oxide is a wide-bandgap semiconductor which is considered a potential candidate for fabricating next-generation transparent spintronic devices. However, before this can be practically achieved, a thorough, scientific understanding of…

材料科学 · 物理学 2015-06-22 M. C. Prestgard , G. Siegel , R. Roundy , M. Raikh , A. Tiwari

We report on the synthesis of high-quality Co-doped ZnO thin films using the pulsed laser deposition technique on (0001)-Al$_2$O$_3$ substrates performed in an oxidizing atmosphere, using Zn and Co metallic targets. We firstly optimized the…

材料科学 · 物理学 2009-11-10 W. Prellier , A. Fouchet , B. Mercey , Ch. Simon , B. Raveau

Al-doped ZnO thin films were deposited using reactive high power impulse magnetron sputtering at substrate temperatures between room temperature and 600 $\bullet$ C. Two sample series with different oxygen partial pressures were studied.…

材料科学 · 物理学 2025-03-03 Martin Mickan , Ulf Helmersson , David Horwat

Pb(Zr0.52Ti0.48)O3 (PZT) thin films were in situ deposited by pulsed laser deposition (PLD) on Pt/Ti/SiO2/Si substrates using a template layer derived by sol-gel method. A 0.1-$\mu$m-thick PZT layer with (111) or (100)-preferred orientation…

其他计算机科学 · 计算机科学 2007-11-29 Jing Li , L. Dedeng , Suntao Wu

The electrochemical deposition of ZnO hierarchical nanostructures directly from PHEMA hydrogel coated electrodes has been successfully demonstrated. A variety of hierarchical ZnO nanostructures, including porous nanoflakes, nanosheets and…

材料科学 · 物理学 2013-02-20 Shuxi Dai , Yinyong Li , Zuliang Du , Kenneth R. Carter

We report the synthesis and characterization of Nd_{0.5}Sr_{0.5}MnO_{3} thin films grown by the Pulsed Laser Deposition technique on 100 -oriented LaAlO_{3} substrates. X-ray diffraction (XRD) studies show that the films are 101 -oriented,…

材料科学 · 物理学 2009-10-31 W. Prellier , Amlan Biswas , M. Rajeswari , T. Venkatesan , R. L. Greene

During the growth of metal thin films on dielectric substrates at a given deposition temperature T, the film's morphology is conditioned by the magnitude and asymmetry of up- and downhill diffusion. Any severe change of this mechanism leads…

介观与纳米尺度物理 · 物理学 2013-04-17 Henning Galinski , Thomas Ryll , Philipp Reibisch , Lukas Schlagenhauf , Iwan Schenker , Ludwig J. Gauckler

In this paper, we report the growth of NaxCoO2 thin films by pulsed-laser deposition (PLD). It is shown that the concentration of sodium is very sensitive to the substrate temperature and the target-substrate distance due to the evaporation…

材料科学 · 物理学 2007-05-23 X. P. Zhang , Y. S. Xiao , H. Zhou , B. T. Xie , C. X. Yang , Y. G. Zhao

DC flash sintering of both pure and 0.5 mol. % Bi2O3-doped ZnO at a relatively high activating field of 300 V/cm has been investigated. It is demonstrated that even high-purity ZnO single crystals can "flash" at 870C. In comparison, flash…

材料科学 · 物理学 2015-03-31 Yuanyao Zhang , Jae-Il Jung , Jian Luo

This paper reports on the deposition and photoluminescence of amorphous and crystalline thin films of zinc gallium oxide with Ga:Zn atomic ratio varied between 0.3 and 5.7. The films are prepared by reactive direct current magnetron…

The micro-properties (structure and composition), and macro-properties (electrical and optical properties) of zinc oxide (ZnO) thin films deposited on glass substrates using a filtere vacuum arc deposition (FVAD) system were investigated as…

材料科学 · 物理学 2009-11-11 T. David , S. Goldsmith , R. L. Boxman

The dielectric properties of NiO thin films grown by pulsed laser deposition have been studied as a function of strain at temperature from 10 to 300 K. Above 150 K, the contribution of space-charge polarization to the dielectric…

材料科学 · 物理学 2019-06-04 Alireza Kashir , Hyeon-Woo Jeong , Gil-ho Lee , Pavlo Mikheenko , Yoon Hee Jeong