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161
Geometries and Electronic States of Divacancy Defect in Finite-Size Hexagonal Graphene Flakes
Published 2017-01-01“…The geometries and electronic properties of divacancies with two kinds of structures were investigated by the first-principles (U) B3LYP/STO-3G and self-consistent-charge density-functional tight-binding (SCC-DFTB) method. …”
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162
A DFT survey of CH4 storage and separation from CH4 /X (X = H2, CO2, N2, CF4, he, ne, and Ar) gas mixtures on Ti/Sc decorated B40 fullerene
Published 2025-03-01“…In the current study, first-principles calculations are used to determine the stability of B40 fullerene decorated with Sc or Ti atoms and its applications in storing and separating CH4 from gas mixtures. …”
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163
Electronic Structure and Optical Properties of GaAs1-xBix Alloy
Published 2014-01-01“…A first-principles study has been performed to investigate the structural and electronic properties of the GaAs1-xBix system. …”
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164
From de Sitter to de Sitter: Decaying Vacuum Models as a Possible Solution to the Main Cosmological Problems
Published 2018-01-01“…It is also argued that even the cosmological constant problem becomes less severe provided that the characteristic scales of the two limiting de Sitter manifolds are predicted from first principles.…”
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165
Superconductivity in ordered Li–Al–B compounds
Published 2025-01-01“…Abstract Using first principles calculations, we show that $$\hbox {Li}_x\hbox {Al}_y\hbox {B}_{2(x+y)}$$ materials have strong electron-phonon coupling, with many having a superconducting critical temperature ( $$T_c$$ ) that exceeds that of the more familiar $$\hbox {MgB}_2$$ at ambient pressure. …”
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166
Machine learning configuration-dependent friction tensors in Langevin heatbaths
Published 2025-01-01“…We demonstrate the capabilities of the model approach by fitting a model of configuration-dependent tensorial electronic friction calculated from first principles that arises during reactive molecular dynamics at metal surfaces.…”
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167
Kondo spectral functions at low-temperatures: A dynamical-exchange-correlation-field perspective
Published 2025-01-01“…Consequently, it can significantly reduce the complexity of the many-body problem faced by first-principles approaches to strongly correlated materials.…”
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168
R-matrices and Miura operators in 5d Chern-Simons theory
Published 2025-01-01“…We derive Miura operators for $W$- and $Y$-algebras from first principles as the expectation value of the intersection between a topological line defect and a holomorphic surface defect in 5-dimensional non-commutative $\mathfrak{gl}(1)$ Chern-Simons theory. …”
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169
Formation, Energetics, and Electronic Properties of Graphene Monolayer and Bilayer Doped with Heteroatoms
Published 2015-01-01“…We here review the recent work of boron and nitrogen doping effects into graphene monolayer as well as bilayer on the basis of the first-principles electronic structure calculations in the framework of the density-functional theory. …”
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170
The Synthetic Effects of Iron with Sulfur and Fluorine on Photoabsorption and Photocatalytic Performance in Codoped
Published 2012-01-01“…The structural and electronic properties of iron-fluorine (Fe-F) and iron-sulfur (Fe-S) codoped anatase TiO2 are investigated by first-principles based on density functional theory. Our results show that the formation energy of codoped system is lower than that of single-element doping, which indicates the synergic effect of codoping on the stability of the structure. …”
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171
Revisiting the Zinc-Blende/Wurtzite Heterocrystalline Structure in CdS
Published 2014-01-01“…The band offset at CdS zinc-blende (ZB)/wurtzite (WZ) heterocrystalline interface was revisited using the first principles calculations with the local density approximation (LDA), generalized gradient approximation (GGA), and Heyd-Scuseria-Ernzerhof (HSE06) hybrid functional. …”
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172
Magnetic Properties of Well-Aligned ZnO Nanorod Arrays Grown by a Simple Hydrothermal Reaction
Published 2014-01-01“…The PL results suggested that the possible defect in the as-prepared ZnO nanorod arrays might be VZn, Oi, or OZn. The first-principles calculations reveal that the room temperature ferromagnetism may result from the VZn defects present in the ZnO nanorod and the hybridization of the Zn 3d states with O 2p states is responsible for the half-metallic ferromagnetism in ZnO nanorod.…”
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173
Hydrothermal Synthesis of Pt-, Fe-, and Zn-doped SnO2 Nanospheres and Carbon Monoxide Sensing Properties
Published 2013-01-01“…In addition, a theoretical study based on the first principles calculation was conducted. All results demonstrate the potential of Pt dopant for improving the gas sensing properties of SnO2-based sensors to carbon monoxide.…”
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174
Electron and light hyperbolicity correlation in α-CaGe_{2}
Published 2025-01-01“…The transition of electron hyperbolicity from type-I to type-II, induced by varying the chemical potential of electrons, also triggers a similar transition in light hyperbolicity. Through first-principles calculations, α-CaGe_{2} is identified as a promising material for achieving this transition. …”
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175
Analytical Prediction of Hole Diameter in Thin Plates Due to Hypervelocity Impact of Spherical Projectiles
Published 1997-01-01“…A first-principles-based model is presented for calculating the hole diameter resulting from the normal hypervelocity impact of a spherical aluminum projectile on a thin aluminum plate. …”
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176
Nonlinear excitation of energetic particle driven geodesic acoustic mode by resonance overlap with Alfvén instability in ASDEX Upgrade
Published 2025-01-01“…In the present work, a first-principles simulation using the MEGA code investigated the mode properties in both the linear growth and nonlinear saturated phases. …”
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177
Analogous Atomic and Electronic Properties between VN and VNCB Defects in Hexagonal Boron Nitride
Published 2022-01-01“…We investigate defect properties in hexagonal boron nitride (hBN) which is attracting much attention as a single photon emitter. Using first-principles calculations, we find that nitrogen-vacancy defect VN has a lower energy structure in C1h symmetry in 1− charge state than the previously known D3h symmetry structure. …”
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178
Debris Cloud Material Characterization for Hypervelocity Impacts of Single- and Multimaterial Projectiles on Thin Target Plates
Published 1995-01-01“…This article presents a first-principles based method to calculate: the amount of material in a debris cloud created by a perforating hypervelocity impact that is solid, molten, and vaporous; the debris cloud leading edge, trailing edge, center-of-mass, and expansion velocities; and the angular spread of the debris cloud material. …”
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179
Elastic Properties and the Band Gap of AlNxP1-x Semiconductor Alloy: A Comparative Study of Various Ab Initio Approaches
Published 2016-01-01“…Structural and elastic properties of AlNxP1-x, a novel semiconductor alloy, are studied from the first principles in both zinc-blende and wurtzite structures. …”
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180
Half-Metallic Ferromagnetism in Chalcopyrite (AlGaMn)P2 Alloys
Published 2015-01-01“…We studied the electronic and magnetic properties of (Al1−yMny)GaP2 (Ga-rich) and Al(Ga1−yMny)P2 (Al-rich) with y = 0.03125, 0.0625, 0.09375, and 0.125 by using the first-principles calculations. The ferromagnetic Mn-doped AlGaP2 chalcopyrite is the most energetically favorable one. …”
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