germanium doped with zinc

См. также в других словарях:

• germanium — /jeuhr may nee euhm/, n. Chem. a scarce, metallic, grayish white element, normally tetravalent, used chiefly in transistors. Symbol: Ge; at. wt.: 72.59; at. no.: 32; sp. gr.: 5.36 at 20°C. [1885 90; GERMAN(Y) + IUM] * * * Chemical element with… …   Universalium

• X-ray — [ 22 December 1895 and presented to Professor Ludwig Zehnder of the Physik Institut, University of Freiburg, on 1 January 1896. The dark oval on the third finger is a shadow produced by her ring. [cite book last = Kevles first =Bettyann Holtzmann …   Wikipedia

• Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …   Wikipedia

• Dopant — This article is about elemental impurities. For the fictional characters in Kamen Rider W, see Dopant (Kamen Rider). A dopant, also called a doping agent, is a trace impurity element that is inserted into a substance (in very low concentrations)… …   Wikipedia

• Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge …   Wikipedia

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• Electron mobility — This article is about the mobility for electrons and holes in metals and semiconductors. For the general concept, see Electrical mobility. In solid state physics, the electron mobility characterizes how quickly an electron can move through a… …   Wikipedia

• List of semiconductor materials — Semiconductor materials are insulators at absolute zero temperature that conduct electricity in a limited way at room temperature (see also Semiconductor). The defining property of a semiconductor material is that it can be doped with impurities… …   Wikipedia

• superconductivity — superconduction /sooh peuhr keuhn duk sheuhn/, n. superconductive /sooh peuhr keuhn duk tiv/, superconducting, adj. superconductor /sooh peuhr keuhn duk teuhr/, n. /sooh peuhr kon deuhk tiv i tee/, n. Physics. the phenomenon of almost perfect… …   Universalium

• Cerium — lanthanum ← cerium → praseodymium ↑ Ce ↓ Th …   Wikipedia

• X-ray fluorescence — (XRF) is the emission of characteristic secondary (or fluorescent) X rays from a material that has been excited by bombarding with high energy X rays or gamma rays. The phenomenon is widely used for elemental analysis and chemical analysis,… …   Wikipedia