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A four-layer semiconductor device with a P-N-P-N structure: An insulated-gate bipolar transistor combining features from bipolar transistors and MOSFETs Terminals: Anode, cathode, gate: Emitter, collector, gate Layers: Four layers: Three layers Junction: PNPN structure: NPN(P) structure Modes of operation: Reverse blocking, forward blocking ...
Outlines of some packaged semiconductor devices. A semiconductor device is an electronic component that relies on the electronic properties of a semiconductor material (primarily silicon, germanium, and gallium arsenide, as well as organic semiconductors) for its function. Its conductivity lies between conductors and insulators.
A compound semiconductor is a semiconductor compound composed of chemical elements of at least two different species. These semiconductors form for example in periodic table groups 13–15 (old groups III–V), for example of elements from the Boron group (old group III, boron, aluminium, gallium, indium) and from group 15 (old group V, nitrogen, phosphorus, arsenic, antimony, bismuth).
In a metal, every atom donates at least one free electron for conduction, thus 1 cm 3 of metal contains on the order of 10 22 free electrons, [30] whereas a 1 cm 3 sample of pure germanium at 20 °C contains about 4.2 × 10 22 atoms, but only 2.5 × 10 13 free electrons and 2.5 × 10 13 holes.
Electronic band structure of a semiconductor material. Like other solids, semiconductor materials have an electronic band structure determined by the crystal properties of the material. Energy distribution among electrons is described by the Fermi level and the temperature of the electrons.
Semiconductor memory is a digital electronic semiconductor device used for digital data storage, such as computer memory. It typically refers to devices in which data is stored within metal–oxide–semiconductor (MOS) memory cells on a silicon integrated circuit memory chip .
semiconductor – a material with an electrical conductivity value falling between that of a conductor and an insulator; its resistivity falls as its temperature rises; silicon – the semiconductor material used most frequently as a substrate in electronics; silicon on insulator (SoI) – a layered silicon–insulator–silicon substrate
A homojunction is a semiconductor interface that occurs between layers of similar semiconductor material; [1] these materials have equal band gaps but typically have different doping. In most practical cases a homojunction occurs at the interface between an n-type ( donor doped) and p-type ( acceptor doped) semiconductor such as silicon , this ...