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Electronic Structure Studies of Detwinned BaFe$_2$As$_2$ by Photoemission
Electronic Structure Studies Photoemission
2010/11/18
We performed angle resolved photoelectron spectroscopy (ARPES) studies on mechanically de-
twinned BaFe2As2. We observe clear band dispersions and the shapes and characters of the Fermi
surfaces are...
Hysteresis of Electronic Transport in Graphene Transistors
graphene transistor conductance hysteresis charge transfer capacitive gating water dipole
2010/11/17
Graphene field effect transistors commonly comprise graphene flakes lying on SiO2 surfaces. The
gate-voltage dependent conductance shows hysteresis depending on the gate sweeping rate/range. It is sh...
Ab Initio Local Density Approximation Description of the Electronic Properties of Zinc Blende Cadmium Sulfide (zb-CdS)
Electronic Properties Zinc Blende Cadmium Sulfide (zb-CdS)
2010/11/18
Self-consistent ab- initio electronic energy band structure of zinc blende CdS are reported
within the local density functional (LDF) formalism. Our first principle, non-relativistic and
ground stat...
Local Density Approximation Description of Electronic Properties of Wurtzite Cadmium Sulfide (w-CdS)
w-CdS Ab-initio LDA-LCAO-BZW DFT Band gap Ground state
2010/11/22
We present calculated, electronic and related properties of wurtzite cadmium sulfide (w-CdS). Our ab-initio, non-relativistic calculations employed a local density functional approximation (LDA) poten...
Electronic structure of pristine and K-doped solid picene: Non-rigid-band change and its implication for electron-intramolecular-vibration interaction
Electronic structure of pristine K-doped solid picene: Non-rigid-band change electron-intramolecular-vibration interaction
2010/11/19
We use photoemission spectroscopy to study electronic structures of pristine and K-doped
solid picene. The valence band spectrum of pristine picene consists of three main features
with no state at t...
First-principles study of structural, electronic and elastic properties of Nb4AlC3
MAX phases Ab initio Structural properties Electronic properties Elastic properties Pressure effect
2010/6/30
Using First-principles calculations, we have studied the structural, electronic and elastic properties of Nb4AlC3, a new compound belonging to the MAX phases. Geometrical optimization of the unit cell...
“Market making” behaviour in an electronic order book and its impact on the bid-ask spread
Market making behaviour electronic order book bid-ask spread
2010/4/27
It has been suggested that marked point processes might be good candidates for the modeling of financial high-frequency data. A special class of point processes, Hawkes processes, has been the subject...
Graphene to graphite: electronic changes within DFT calculations
Graphene Bilayer graphene Multilayer graphene Graphite Density functional theory
2010/7/8
Calculations based on the first-principles pseudopotential plane-wave method and density-functional theory are performed to investigate the electronic properties of graphene, bilayer graphene, multila...
Electronic and structural properties of two mirrored boron-nitride nanocones with 240o disclination
electronic structure nanomaterials nanocones boron and nitrogen
2010/7/5
We studied, through first-principles calculations based on the density functional theory, the charge distribution, the density of states and the tip rearrangement of two mirrored boron nitride nanocon...
First-principles calculations of structural, electronic and optical properties of Zinc-blende Six Ge1-x C alloys
Alloys Lattice parameter Bulk modulus Electronic structure Band-gap Gap bowing Optical properties
2010/4/8
We present first-principles calculations of the structural, electronic and optical properties of zinc-blende Six Ge1-x C alloys by application of the full potential linearized augmented plane wave (FP...
Ab Initio Study of Half-Metallic Feature and Electronic Structure of A2FeMoO6 (A=Ba,Ca) Magnetic System
Electronic structure Half metallic Complex Perovskite
2010/9/29
We report several ab initio calculations performed over the A2FeMoO6 (A=Ba, Ca) double perovskite. Results show that it is an insulator for the spin up orientation and conductor for the other one. We ...
Phase Evolution of the Electronic Transmission Through a Kondo Correlated Quantum Dot
Quantum dots Scattering phase Kondo effect X-boson
2010/9/25
We study the scattering phase shift of the Kondo assisted transmission through a quantum dot (QD), considering a model that includes an additional non resonant channel transmission. To compute the pha...
Electronic States in n-Type GaAs Delta-Doped Quantum Wells Under Hydrostatic Pressure
GaAs Delta-doping Hydrostatic pressure
2010/9/25
The calculation of the electronic energy levels of n-type d-doped quantum wells in a GaAs matrix is presented. The effects of hydrostatic pressure on the band structure are taken into account speciall...
Electronic Structure of the n-Type Doped AgInO2 and CuAlO2 Delafossites: Similarities and Differences
Electronic Structure the n-Type Doped AgInO2 and CuAlO2 Delafossites Similarities and Differences
2010/10/21
We performed the first-principles band-structure calculations for a pure and a Cd-doped AgInO2 delafossite compound. The results are carefully analyzed and compared with the results obtained for a pur...
CH3CN on Si(001): Adsorption Geometries and Electronic Structure
CH3CN Adsorption Geometries Electronic Structure
2010/10/22
In this work we employ the state of the art pseudopotential method, within a generalized gradient approximation to the density functional theory, to investigate the adsorption process of acetonitrile ...