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Article
Open AccessUltra-fast charging in aluminum-ion batteries: electric double layers on active anode
With the rapid iteration of portable electronics and electric vehicles, develo** high-capacity batteries with ultra-fast charging capability has become a holy grail. Here we report rechargeable aluminum-ion ...
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Article
Electrical and material properties of hydrothermally grown single crystal (111) UO2
The semiconductor and optical properties of UO2 are investigated. The very long drift carrier lifetimes, obtained from current–voltage I(V) and capacitance–voltage C(V) measurements, along with the well-defined ...
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Article
Photoelectron Spectroscopy Characterization and Computational Modeling of Gadolinium Nitride Thin Films Synthesized by Chemical Vapor Deposition
Here we report our study of the electronic properties of [100]-textured gadolinium nitride (GdN) thin films synthesized using a chemical vapor deposition (CVD) method. The electronic properties of the films we...
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Article
Adsorption configurations of carbon monoxide on gold monolayer supported by graphene or monolayer hexagonal boron nitride: a first-principles study
Using density functional theory with a semiempirical van der Waals approach proposed by Grimme, the adsorption behavior of carbon monoxide on a gold monolayer supported by graphene or monolayer hexagonal boron...
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Article
Open AccessInterfacial Properties of Bilayer and Trilayer Graphene on Metal Substrates
One popular approach to prepare graphene is to grow them on transition metal substrates via chemical vapor deposition. By using the density functional theory with dispersion correction, we systematically inves...
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Article
Open AccessSub-10 nm Gate Length Graphene Transistors: Operating at Terahertz Frequencies with Current Saturation
Radio-frequency application of graphene transistors is attracting much recent attention due to the high carrier mobility of graphene. The measured intrinsic cut-off frequency (fT) of graphene transistor generally...
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Article
High performance silicene nanoribbon field effect transistors with current saturation
We investigate field effect transistors (FETs) based on semiconducting armchair-edged silicene nanoribbons (ASiNRs) by using ab initio quantum transport calculations. These FETs have high performance with an I ...
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Article
Erratum: Tunable and sizable band gap of single-layer graphene sandwiched between hexagonal boron nitride
Correction to: NPG Asia Materials (2012) 4, e6; doi:10.1038/am.2012.10; published online 17 February 2012 Since the publication of the above article, the authors have noticed inconsistency in the references to...
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Article
Open AccessTunable and sizable band gap of single-layer graphene sandwiched between hexagonal boron nitride
Opening a tunable and sizable band gap in single-layer graphene (SLG) without degrading its structural integrity and carrier mobility is a significant challenge. Using density functional theory calculations, w...
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Article
Tuning graphene nanoribbon field effect transistors via controlling do** level
By performing first-principles transport simulations, we demonstrate that n-type transfer curves can be obtained in armchair-edged graphene nanoribbon field effect transistors by the potassium atom and cobaltocen...
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Article
The Local Structure and I-V Characteristics of Chromium Doped Semiconducting Boron Carbide
The local spin configuration and band structure of chromium doped boron carbide calculated by density functional theory suggests local magnetic ordering. While the long range dopant position appears random in ...
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Article
Open AccessMagnetism in carbon nanoscrolls: Quasi-half-metals and half-metals in pristine hydrocarbons
A magnetic ground state is revealed for the first time in zigzag-edged carbon nanoscrolls (ZCNSs) from spinunrestricted density functional theory calculations. Unlike their flat counterpart—zigzag-edged carbon...
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Article
Nonvolatile Two-Terminal Molecular Memory
We propose a nonvolatile two-terminal memory with two resistance states based on the molecular tunnel junctions. This tunnel junction is composed of one or few monolayers of polar molecules sandwiched between ...
