Fermi surfaces

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• Fermi surface — In condensed matter physics, the Fermi surface is an abstract boundary useful for predicting the thermal, electrical, magnetic, and optical properties of metals, semimetals, and doped semiconductors. The shape of the Fermi surface is derived from …   Wikipedia

• Fermi energy — The Fermi energy is a concept in quantum mechanics usually referring to the energy of the highest occupied quantum state in a system of fermions at absolute zero temperature. This article requires a basic knowledge of quantum mechanics.Note that… …   Wikipedia

• Fermi surface — ▪ physics       in solid state physics, abstract interface that defines the allowable energies of electrons (electron) in a solid. Named for Enrico Fermi (Fermi, Enrico), who along with P.A.M. Dirac (Dirac, P.A.M.) developed the statistical… …   Universalium

• Spin density wave — (SDW) and charge density wave (CDW) are names for two similar low energy ordered states of solids. Both these states occur at low temperature in anisotropic, low dimensional materials or in metals that have high densities of states at the Fermi… …   Wikipedia

• Noble metals — The noble metals including mercury and rhenium together with the non noble metal copper ordered according their position in the periodic table of the elements Noble metals are metals that are resistant to corrosion and oxidation in moist air,… …   Wikipedia

• Surface states — are electronic states found at the surface of materials and are part of condensed matter physics. They are formed due to the sharp transition from solid material that ends with a surface and are found only at the atom layers closest to the… …   Wikipedia

• Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …   Wikipedia

• electricity — /i lek tris i tee, ee lek /, n. 1. See electric charge. 2. See electric current. 3. the science dealing with electric charges and currents. 4. a state or feeling of excitement, anticipation, tension, etc. [1640 50; ELECTRIC + ITY] * * *… …   Universalium

• PHOTOGRAPHIE — La perception de l’apparence du monde matériel par notre organe visuel a comme support la lumière visible ou les autres radiations électromagnétiques, rendues visibles par l’intermédiaire de phénomènes auxiliaires. L’emploi direct de l’ensemble… …   Encyclopédie Universelle

• Scanning tunneling microscope — Image of reconstruction on a clean Gold(100) surface …   Wikipedia

• Metal-induced gap states — In bulk semiconductor band structure calculations, it is assumed that the crystal lattice (which features a periodic potential due to the atomic structure) of the material is infinite. When the finite size of a crystal is taken into account, the… …   Wikipedia