fid hole - traduction vers russe
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fid hole - traduction vers russe

CONCEPTUAL AND MATHEMATICAL OPPOSITE OF AN ELECTRON
Electron holes; Hole (quasiparticle); Electron-hole; Hole conduction; Hole theory of electrons; Hole (semiconductor); Hole (electricity)
  • A children's puzzle which illustrates the mobility of holes in an atomic lattice. The tiles are analogous to electrons, while the missing tile ''(lower right corner)'' is analogous to a hole.  Just as the position of the missing tile can be moved to different locations by moving the tiles, a hole in a crystal lattice can move to different positions in the lattice by the motion of the surrounding electrons.
  • effective mass]]. The "filled band" is the semiconductor's [[valence band]]; it curves downward indicating negative effective mass.

fid hole      
шлагтовая дыра
hole conduction         

общая лексика

дырочная электропроводность

дырочная проводимость

FID         
TOOL USED IN MARINE ROPEWORK
Swedish fid
Fax ID
идентификатор факса

Définition

Fid
·noun A block of wood used in mounting and dismounting heavy guns.
II. Fid ·noun A wooden or metal bar or pin, used to support or steady anything.
III. Fid ·noun A pin of hard wood, tapering to a point, used to open the strands of a rope in splicing.
IV. Fid ·noun A square bar of wood or iron, used to support the topmast, being passed through a hole or mortise at its heel, and resting on the trestle trees.

Wikipédia

Electron hole

In physics, chemistry, and electronic engineering, an electron hole (often simply called a hole) is a quasiparticle denoting the lack of an electron at a position where one could exist in an atom or atomic lattice. Since in a normal atom or crystal lattice the negative charge of the electrons is balanced by the positive charge of the atomic nuclei, the absence of an electron leaves a net positive charge at the hole's location.

Holes in a metal or semiconductor crystal lattice can move through the lattice as electrons can, and act similarly to positively-charged particles. They play an important role in the operation of semiconductor devices such as transistors, diodes and integrated circuits. If an electron is excited into a higher state it leaves a hole in its old state. This meaning is used in Auger electron spectroscopy (and other x-ray techniques), in computational chemistry, and to explain the low electron-electron scattering-rate in crystals (metals and semiconductors). Although they act like elementary particles, holes are rather quasiparticles; they are different from the positron, which is the antiparticle of the electron. (See also Dirac sea.)

In crystals, electronic band structure calculations lead to an effective mass for the electrons that is typically negative at the top of a band. The negative mass is an unintuitive concept, and in these situations, a more familiar picture is found by considering a positive charge with a positive mass.

Traduction de &#39fid hole&#39 en Russe