Top PDF Phonon band structure and electron-phonon interactions in metallic nanowires
Phonon band structure and electron-phonon interactions in metallic nanowires
... 63.20.-e,71.15.Mb,73.21.Hb,73.22.-f Metallic nanowires consisting of a single chain of evenly spaced atoms (monowires) have long been a theorist’s playground : they have inspired many model systems for ...
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Enhancement of the Electron–Phonon Scattering Induced by Intrinsic Surface Plasmon–Phonon Polaritons
... goal in physics, which is still attracting much ...light-matter interactions in the steady-state, without external ...cavity-type structure has been ...theoretically in the case of a ...
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Optical properties of metallic nanowires by valence electron energy loss spectroscopy
... nickel and gold nanowires studied in this work. Direct and reliable measurements of physical properties (such as optical properties) of single NW may not be straightforward because of specific ...
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Electron–phonon-driven three-dimensional metallicity in an insulating cuprate
... (34–36) and not lying in proximity to a structural transformation ...Moreover, in the specific case of cuprates, our data enrich the debate around the role and structure of the ...
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Phonon-limited electron mobility in Si, GaAs and GaP using plane waves and Bloch states
... waves and Bloch wavefunctions as implemented in Abinit [ 30 , 31 , 40 ] thus bypassing the transformation to localized or- ...SE and phonon-limited mo- bilities although a similar methodology ...
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Thermoelectric properties of elemental metals from first-principles electron-phonon coupling
... ingredients in thermoelectric properties, and it is often calculated based simply on the electronic band structure, within the frame of Boltzmann’s transport theory and the constant ...
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Electron and Acoustic Phonon Confinement in Ultrathin-Body Ge on Insulator
... CEMES-CNRS and Universite de Toulouse, 29 rue ...signal and the electron mo- bility as ultrathin-body Ge-on-insulator (UTB GeOI) thickness (T GeOI ) scaling below 13nm ...change in the Ge ...
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Carrier LO Phonon Interactions in InAs/GaAs Quantum Dots:<br />Electronic Polarons and Excitonic Polarons
... History and Motivation As early as the 1950s, the idea of using ultra-thin layers of certain materials for the study of size quantification ...epitaxy. In the early 1970s, the first low dimensional ...
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Electron-phonon coupling and charge-transfer excitations in organic systems from many-body perturbation theory
... flexibility in terms of available molecules and architec- tures, the rather low quantum efficiency (a few per- cent), as compared to standard silicon-based solar cells, and the problems of stability ...
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Strong Electron–Phonon Interaction in 2D Vertical Homovalent III–V Singularities
... structures in the InGaP layer (after CMP): the main In-poor phase (InGaP with 18% In) and the In-rich phase located around the 2D APB ...observed in the Raman spectrum to lattice ...
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Impact of Electron–Phonon Scattering on Optical Properties of CH3NH3PbI3 Hybrid Perovskite Material
... EPS and assume the e ffective mass approximation for both conduction and heavy-hole valence ...the band diagram of the device as well as the EPS strength and phonon density as input data ...
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Collective modes in excitonic insulators: Effects of electron-phonon coupling and signatures in the optical response
... excitations in the pure EI phase driven by the local Coulomb ...mode and reveal the different properties of the amplitude modes in the BCS and BEC regimes ...the band dispersion is ...
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Intralayer and interlayer electron-phonon interactions in twisted graphene heterostructures
... above and below the G band shown in ...a and T e , respectively. In order to explain the different resonance behaviour of the Raman peaks in TBGs, we first made ...
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Phonon density of states and anharmonicity of UO2
... For phonon energies below 25 meV, the convoluted PDOS simulations in ...TA and LA phonons at both 295 and 1200 ...simulations in this energy range are markedly lower than the spectral ...
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Spin States Protected from Intrinsic Electron–Phonon Coupling Reaching 100 ns Lifetime at Room Temperature in MoSe2
... conduction band states have drastically ...shown in Figs. 2(b) and (d) are obtained by summing all state occupations for a given band near either the K or K’ ...electrons and holes can ...
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Etude de l’effet des interactions électron-électron et électron-phonon sur le transport électronique dans un système ordonné à une dimension
... des interactions non linéaires sur les propriétés de transport, nous commençons par l’étude de ses effets sur une structure à double barrières et double ...
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Elastic constants and optical phonon frequencies of BX (X= P, Elastic constants and optical phonon frequencies of BX (X= P, Elastic constants and optical phonon frequencies of …
... Bouamama and coworkers [5] have used the density-functional perturbation theory (DFPT) in the framework first principles approach to investigate the high-pressure effects on the lattice dynamics and ...
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Phonon dispersion and low energy anomaly in CaC$_6$.
... Upton and co-workers incorrectly as- signed the flat band at ∼11 meV to the first transverse optical ...case in INS scattering data and only by using this experimental technique the avoided ...
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Phonon dispersion in 1-layer cuprate HgBa2CuO4+d
... acoustic in-plane modes are not stable. In order to remove this instability it is necessary to add a force constant, which makes the bond between the mercury atom and the apical oxygen O(2) less soft ...
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Phonon Transport Analysis of Thermal Conductivity in Particulate Nanocomposites
... dots and solid lines represent the experimental and theoretical results ...theories in solids are derived based on the Boltzmann transport ...both phonon and electron trans- ...
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