39 Result(s)
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Article
Extension of the Launder, Reece and Rodi model on compressible homogeneous shear flow
This article describes the second order closure progress that was made to calculate compressible homogeneous shear flow with significant compressibility. Several DNS results show that compressibility has an im...
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Article
Effect of sputtered Cu film’s diffusion barrier on the growth and field emission properties of carbon nanotubes by chemical vapor deposition
Growth of carbon nanotube (CNT) films with good field emission properties on glass is very important for low cost field emission display (FED) applications. In addition to Ni, Co and Fe, Cu can be a good catal...
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Article
Solvothermal synthesis of CdS nanowires using L-cysteine as sulfur source and their characterization
An effective solvothermal reaction route has been developed for large-scale synthesis of CdS nanowires. L-cysteine was used as both sulfur source and cap** reagent. The nanowires obtained were characterized ...
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Article
Large-scale synthesis and photoluminescence properties of SiC networks
By using a novel and low-cost microwave method, three-dimensional SiC networks have been synthesized in large-scale. The composition and structural features of the product were characterized by X-ray diffracti...
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Article
Properties of ZnO thin films deposited by DC reactive magnetron sputtering under different plasma power
ZnO thin films were prepared by DC reactive magnetron sputtering under various values of the plasma power at room temperature. The samples were characterized with X-ray diffraction (XRD), optical transmittance...
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Article
Superconductivity in one-atomic-layer metal films grown on Si(111)
There are many two-dimensional superconductors, but only now have monolayers of metallic atoms shown superconductivity. Grown on silicon substrates, epitaxial films of lead and indium represent the thinnest su...
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Article
Microstructure evolution of a [011] orientation single crystal nickel-base superalloy during tensile creep
Microstructure of [011] oriented single crystal nickel-base superalloy consists of the cubical γ′ phase embedded coherently in the γ matrix, and arranged regularly along 〈100〉 orientations. After tensile creep, t...
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Article
Oxidation Resistance and Magnetic Properties of SmCo7−x Si x Permanent Magnetic Alloys
The crystal structure, oxidation resistance, and magnetic properties of SmCo7−x Si x (x=0, 0.4, 0.6, and 0.9) permanent magnetic alloys were investigated...
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Article
Phase separation and magnetic order in K-doped iron selenide superconductor
The discovery that potassium-doped iron selenide undergoes phase separation into a defect-free superconducting phase and an iron-vacancy-ordered insulating phase resolves many questions about the unusual behav...
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Article
Topological insulator nanostructures: Materials synthesis, Raman spectroscopy, and transport properties
Nanostructured topological insulator materials such as ultrathin films, nanoplates, nanowires, and nanoribbons are attracting much attention for fundamental research as well as potential applications in low-en...
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Article
Electrical conductivity measurement on DKDP Crystals with different deuterated degrees
Ten DKDP single crystals with deuterated degrees ranging from 0 to 90 % were grown by a rapid growth method. The electrical conductivities of these crystals were measured along a and c directions at room temperat...
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Article
Fully gapped topological surface states in Bi2Se3 films induced by a d-wave high-temperature superconductor
By growing a topological insulator on top of a high-temperature superconducting substrate it is possible to induce superconductivity in the surface states of the topological insulator. Moreover, the pairing sy...
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Article
Nonlinear Elastic Properties of Superconducting Antiperovskites MNNi3 (M =Zn, Cd, Mg, Al, Ga, and In) from First Principles
We present theoretical studies for the third-order elastic constants (TOECs) of superconducting antiperovskites MNNi 3 (M = Zn, Cd, Mg, Al, Ga, and In) using the density functional theory (DFT) and homogeneous de...
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Article
Structure and optical properties of Cd-substituted ZnO (Zn1−x Cd x O) thin films synthesized by the dc reactive magnetron sputtering
The ternary Zn1−x Cd x O (x = 0, 0.2) thin films with wurtzite structure and highly (002)-preferred orientations were deposited on glass substrates by the...
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Article
Effect of Pressure on Elastic Constants, Generalized Stacking Fault Energy, and Dislocation Properties in Antiperovskite-Type Ni-Rich Nitrides ZnNNi3 and CdNNi3
The elastic properties and generalized stacking fault energy curves of antiperovskite-type Ni-rich nitrides MNNi3 (M = Zn, Cd) under different pressure have been obtained from the first-principles calculations. B...
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Article
Shear behaviors of single crystal nickel at different temperatures: molecular dynamics simulations
Shear behaviors of a single crystal nickel along the [ \( \overline{1} 10 \) ...
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Article
High Pressure Effects on the Properties of 〈110〉 {001} Dislocation in Superconducting ZnCNi3 and MgCNi3 Determined from First Principles Calculations Combined with an Improved Peierls-Nabarro Equation
We have employed an improved Peierls-Nabarro (P-N) equation considering the discreteness effect of crystals to study the properties of 1/2 〈110〉 dislocation in the (001) plane in cubic anti-perovskites type su...
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Article
V 2 NiSe: a First-Principles Study
The Heusler alloy system is a rich source of functional materials. We studied the ternary alloy V2NiSe by first-principles calculations to explore for a new functional alloy. We performed geometry optimization fo...
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Article
Bifurcation and chaotic threshold of Duffing system with jump discontinuities
Like for the smooth system, it is important to determine a criteria for bifurcation of the non-smooth system with jump discontinuities. Previously, the criteria have been constructed in some non-smooth systems...
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Article
Molecular dynamics simulations on tensile behaviors of single-crystal bcc Fe nanowire: effects of strain rates and thermal environment
Molecular dynamics simulations were applied to investigate tensile behaviors of single-crystal Fe nanowire in 〈001〉 direction under different strain rates. Results show that the nanowire deforms by twinning wi...
