phonon mode

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• PHONON — Les phonons, ou vibrations collectives d’un ensemble d’atomes en interactions, représentent un des aspects les plus importants de la physique des solides. Ils interviennent dans des propriétés aussi diverses que la propagation d’ondes sonores, la …   Encyclopédie Universelle

• Phonon — For KDE Software Compilation 4 s multimedia framework, see Phonon (KDE). Normal modes of vibration progression through a crystal. The amplitude of the motion has been exaggerated for ease of viewing; in an actual crystal, it is typically much… …   Wikipedia

• Surface phonon — Phonons are collective lattice vibration modes, and surface phonons are those particular modes associated with surfaces; they are an artifact of periodicity, symmetry, and the termination of bulk crystal structure associated with the surface… …   Wikipedia

• Phonon — Pour les articles homonymes, voir Phonon (homonymie). Modes normaux de vibration progressifs de différentes fréquences ν dans un cristal. En mécanique classique, l énergie emmagasinée dans chac …   Wikipédia en Français

• Raie zéro-phonon et bande satellite phonon — Figure 1. Représentation schématique du profil d une excitation électronique. La partie étroite à la fréquence ωˈ est la raie zéro phonon, la partie plus large est la bande satellite phonon. Les positions relatives des deux composantes lors d une …   Wikipédia en Français

• Zero-phonon line and phonon sideband — The zero phonon line and the phonon sideband jointly constitute the line shape of individual light absorbing and emitting molecules (chromophores) embedded into a transparent solid matrix. When the host matrix contains many chromophores, each… …   Wikipedia

• Selective chemistry of SWNT — Single walled nano tubes (SWNT) Structure and Reactivity Reactivity of the fullerene molecules with respect to addition chemistries is strongly dependent on the curvature of the carbon framework. Their outer surface (exohedral) reactivity… …   Wikipedia

• Carrier scattering — Defect types include atom vacancies, adatoms, steps, and kinks which occur most frequently at surfaces due to finite material size causing crystal discontinuity. What all types of defects have in common, whether they be surface or bulk, is that… …   Wikipedia

• Heat current — A heat current is a kinetic exchange rate between molecules, relative to the material in which the kinesis occurs. A specific pattern of collisions among molecules, similar to a river bed effect on the direction of water traveling therein.Heat… …   Wikipedia

• Raman spectroscopy — Energy level diagram showing the states involved in Raman signal. The line thickness is roughly proportional to the signal strength from the different transitions. Raman spectroscopy (   …   Wikipedia

• Nanotube nanomotor — A device generating linear or rotational motion using carbon nanotube(s) as the primary component, is termed a nanotube nanomotor. Nature already has some of the most efficient and powerful kinds of nanomotors. Some of these natural biological… …   Wikipedia