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- Surface_phonon abstract "In solid state physics, a surface phonon is the quantum of a lattice vibration mode associated with a solid surface. Similar to the ordinary lattice vibrations in a bulk solid (whose quanta are simply called phonons), the nature of surface vibrations depends on details of periodicity and symmetry of a crystal structure. Surface vibrations are however distinct from the bulk vibrations, as they arise from the abrupt termination of a crystal structure at the surface of a solid. Knowledge of surface phonon dispersion gives important information related to the amount of surface relaxation, the existence and distance between an adsorbate and the surface, and information regarding presence, quantity, and type of defects existing on the surface.In modern semiconductor research, surface vibrations are of interest as they can couple with electrons and thereby affect the electrical and optical properties of semiconductor devices. They are most relevant for devices where the electronic active area is near a surface, as is the case in two-dimensional electron systems and in quantum dots. As a specific example, the decreasing size of CdSe quantum dots was found to result in increasing frequency of the surface vibration resonance, which can couple with electrons and affect their properties.Two methods are used for modeling surface phonons. One is the "slab method", which approaches the problem using lattice dynamics for a solid with parallel surfaces, and the other is based on Green’s functions. Which of these approaches is employed is based upon what type of information is required from the computation. For broad surface phonon phenomena, the conventional lattice dynamics method can be used; for the study of lattice defects, resonances, or phonon state density, the Green’s function method yields more useful results.".
- Surface_phonon thumbnail Lattice_wave.svg?width=300.
- Surface_phonon wikiPageID "14558397".
- Surface_phonon wikiPageLength "11998".
- Surface_phonon wikiPageOutDegree "25".
- Surface_phonon wikiPageRevisionID "682227253".
- Surface_phonon wikiPageWikiLink 2DEG.
- Surface_phonon wikiPageWikiLink Adsorbate.
- Surface_phonon wikiPageWikiLink Adsorption.
- Surface_phonon wikiPageWikiLink Brillouin_zone.
- Surface_phonon wikiPageWikiLink Cadmium_selenide.
- Surface_phonon wikiPageWikiLink Category:Bosons.
- Surface_phonon wikiPageWikiLink Category:Condensed_matter_physics.
- Surface_phonon wikiPageWikiLink CdSe.
- Surface_phonon wikiPageWikiLink Crystal_structure.
- Surface_phonon wikiPageWikiLink Cubic_crystal_system.
- Surface_phonon wikiPageWikiLink Electron.
- Surface_phonon wikiPageWikiLink Electron_energy_loss_spectroscopy.
- Surface_phonon wikiPageWikiLink Face_centered_cubic.
- Surface_phonon wikiPageWikiLink Greens_function.
- Surface_phonon wikiPageWikiLink Green’s_function.
- Surface_phonon wikiPageWikiLink Helium_atom_scattering.
- Surface_phonon wikiPageWikiLink Hookes_law.
- Surface_phonon wikiPageWikiLink LiF.
- Surface_phonon wikiPageWikiLink Lithium_fluoride.
- Surface_phonon wikiPageWikiLink Perturbation_theory.
- Surface_phonon wikiPageWikiLink Phonon.
- Surface_phonon wikiPageWikiLink Quantum.
- Surface_phonon wikiPageWikiLink Quantum_dot.
- Surface_phonon wikiPageWikiLink Solid-state_physics.
- Surface_phonon wikiPageWikiLink Solid_state_physics.
- Surface_phonon wikiPageWikiLink Symmetry.
- Surface_phonon wikiPageWikiLink Two-dimensional_electron_system.
- Surface_phonon wikiPageWikiLink Wave_vector.
- Surface_phonon wikiPageWikiLink File:Lattice_wave.svg.
- Surface_phonon wikiPageWikiLinkText "Surface phonon".
- Surface_phonon wikiPageWikiLinkText "surface phonon".
- Surface_phonon hasPhotoCollection Surface_phonon.
- Surface_phonon wikiPageUsesTemplate Template:Reflist.
- Surface_phonon subject Category:Bosons.
- Surface_phonon subject Category:Condensed_matter_physics.
- Surface_phonon hypernym Quantum.
- Surface_phonon type Boson.
- Surface_phonon type Particle.
- Surface_phonon type Physic.
- Surface_phonon comment "In solid state physics, a surface phonon is the quantum of a lattice vibration mode associated with a solid surface. Similar to the ordinary lattice vibrations in a bulk solid (whose quanta are simply called phonons), the nature of surface vibrations depends on details of periodicity and symmetry of a crystal structure. Surface vibrations are however distinct from the bulk vibrations, as they arise from the abrupt termination of a crystal structure at the surface of a solid.".
- Surface_phonon label "Surface phonon".
- Surface_phonon sameAs m.03d7wry.
- Surface_phonon sameAs Q7646004.
- Surface_phonon sameAs Q7646004.
- Surface_phonon wasDerivedFrom Surface_phonon?oldid=682227253.
- Surface_phonon depiction Lattice_wave.svg.
- Surface_phonon isPrimaryTopicOf Surface_phonon.