29 Result(s)
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Article
The Effects of Negative Differential Resistance, Bipolar Spin-Filtering, and Spin-Rectifying on Step-Like Zigzag Graphene Nanoribbons Heterojunctions with Single or Double Edge-Saturated Hydrogen
In this study, we investigated the spin-resolved transport aspects of step-like zigzag graphene ribbons (ZGNRs) with single or double edge-saturated hydrogen using a method that combined the density functional...
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Article
Negative differential resistance effect in similar right triangle graphene devices
In this work, nanojunctions consisting of two combined similar right triangle graphenes (SRTGs) bonded covalently with zigzag-edged graphene nanoribbon electrodes are designed, and their electron transport pro...
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Article
Open AccessDeciphering buried air phases on natural and bioinspired superhydrophobic surfaces using synchrotron radiation-based X-ray phase-contrast imaging
Superhydrophobicity is an important phenomenon in nature that inspires the design of numerous biomimetic functional materials. A superhydrophobic surface is expected to have a three-phase solid–liquid-vapor in...
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Article
Tuning electronic transport of zigzag graphene nanoribbons by ordered B or N atom do**
Calculations of electronic structures and transport properties of zigzag graphene nanoribbons (ZGNRs) by ordered do** of a column of boron (B) or nitrogen (N) atoms were conducted using density functional th...
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Article
Vertex-Atom-Dependent Rectification in Triangular h-BNC/Triangular Graphene Heterojunctions
First-principles calculations have shown dramatically unexpected rectifying regularities in particular heterojunction configurations with triangular hexagonal boron-nitride-carbon (h-BNC) and triangular graphene ...
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Article
Nitrogen Do** Position-Dependent Rectification of Spin-Polarized Current and Realization of Multifunction in Zigzag Graphene Nanoribbons with Asymmetric Edge Hydrogenation
The magnetic and spin transport properties of asymmetric edge-hydrogenated zigzag graphene nanoribbons (ZGNRs) selectively doped with nitrogen atoms were investigated using spin-polarized density functional th...
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Article
Enhancement of the thermal properties of silver-diamond composites with chromium carbide coating
The present work reports the enhancement of the thermal properties in Ag/diamond matrix composites reinforced with chromium carbide coated diamond particles. The coated diamond particles were characterized by ...
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Article
Open AccessIn situ experimental mechanics of nanomaterials at the atomic scale
Sub-micron and nanostructured materials exhibit high strength, ultra-large elasticity and unusual plastic deformation behaviors. These properties are important for their applications as building blocks for the...
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Article
Ultrafast transient photoinduced absorption in Ge core and Ge/GeO2 core/shell nanoparticles: effect of interface passivation
Transient photoinduced absorption in Ge core and Ge/GeO2 core/shell nanoparticles (NPs) has been studied in visible spectral range. Two distinctive relaxation processes were observed: the fast relaxation with lif...
