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Gallium arsenide

Index Gallium arsenide

Gallium arsenide (GaAs) is a compound of the elements gallium and arsenic. [1]

113 relations: Acetone, Alliant Computer Systems, Aluminium arsenide, Aluminium gallium arsenide, Aluminium oxide, Arsenic, Arsenic acid, Arsenic trichloride, Arsine, Band gap, Boron group, Boule (crystal), Bridgman–Stockbarger technique, Bromine, Cadmium telluride, Carcinogen, Chemical compound, Chemical vapor deposition, CMOS, Communications satellite, Convex Computer, Cray, Cray-3, Crystalline silicon, Crystallographic defect, Cubic crystal system, Czochralski process, Direct and indirect band gaps, Economies of scale, Electron hole, Electron mobility, Electronvolt, Ethanol, European Chemicals Agency, Fermi level, Field-effect transistor, Gallium, Gallium antimonide, Gallium arsenide phosphide, Gallium manganese arsenide, Gallium nitride, Gallium phosphide, Gallium(II) sulfide, Germanium, Gunn diode, Heterojunction bipolar transistor, Heterostructure-emitter bipolar transistor, High-electron-mobility transistor, Hydrochloric acid, Hydrogen peroxide, ..., Hydroxamic acid, Indium arsenide, Indium gallium arsenide, Indium gallium phosphide, Indium phosphide, Infrared, Insulator (electricity), Integrated circuit, Integrated injection logic, International Agency for Research on Cancer, JFET, Laser diode, Lattice constant, Light-emitting diode, Lunokhod programme, Mars, Mars Exploration Rover, MESFET, Metal–semiconductor junction, Metalorganic vapour phase epitaxy, Metalorganics, Methanol, Microprocessor, Microwave, Mobile phone, Molar attenuation coefficient, Molecular beam epitaxy, Monolithic microwave integrated circuit, Multi-junction solar cell, Nanoelectronics, Noise (electronics), Opportunity (rover), Oxidation state, Photomixing, Photovoltaic system, Planned obsolescence, Platinum, Pnictogen, Quantum well, Quantum well infrared photodetector, Radar, Radiation hardening, RCA, Relative permittivity, Saturation velocity, Semiconductor, Silicate, Silicon, Silicon dioxide, Single crystal, Solar car racing, Solar cell, Soviet Union, Spintronics, Spirit (rover), Strain (chemistry), Strategic Defense Initiative, Supercomputer, Thin-film solar cell, Trimethylgallium, United States Department of Defense, Venera 3, Zhores Alferov. Expand index (63 more) »

Acetone

Acetone (systematically named propanone) is the organic compound with the formula (CH3)2CO.

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Alliant Computer Systems

Alliant Computer Systems was a computer company that designed and manufactured parallel computing systems.

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Aluminium arsenide

Aluminium arsenide or aluminum arsenide is a semiconductor material with almost the same lattice constant as gallium arsenide and aluminium gallium arsenide and wider band gap than gallium arsenide.

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Aluminium gallium arsenide

Aluminium gallium arsenide (also gallium aluminium arsenide) (AlxGa1−xAs) is a semiconductor material with very nearly the same lattice constant as GaAs, but a larger bandgap.

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Aluminium oxide

Aluminium oxide (British English) or aluminum oxide (American English) is a chemical compound of aluminium and oxygen with the chemical formula 23.

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Arsenic

Arsenic is a chemical element with symbol As and atomic number 33.

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Arsenic acid

Arsenic acid is the chemical compound with the formula H3AsO4.

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Arsenic trichloride

Arsenic trichloride is an inorganic compound with the formula AsCl3, also known as arsenous chloride or butter of arsenic.

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Arsine

Arsine is an inorganic compound with the formula AsH3.

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Band gap

In solid-state physics, a band gap, also called an energy gap or bandgap, is an energy range in a solid where no electron states can exist.

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Boron group

The boron group are the chemical elements in group 13 of the periodic table, comprising boron (B), aluminium (Al), gallium (Ga), indium (In), thallium (Tl), and perhaps also the chemically uncharacterized nihonium (Nh).

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Boule (crystal)

A boule is a single crystal ingot produced by synthetic means.

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Bridgman–Stockbarger technique

The Bridgman–Stockbarger technique is named after Harvard physicist Percy Williams Bridgman (1882-1961) and MIT physicist Donald C. Stockbarger (1895–1952).

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Bromine

Bromine is a chemical element with symbol Br and atomic number 35.

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Cadmium telluride

Cadmium telluride (CdTe) is a stable crystalline compound formed from cadmium and tellurium.

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Carcinogen

A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis, the formation of cancer.

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Chemical compound

A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds.

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Chemical vapor deposition

Chemical vapor deposition (CVD) is deposition method used to produce high quality, high-performance, solid materials, typically under vacuum.

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CMOS

Complementary metal–oxide–semiconductor, abbreviated as CMOS, is a technology for constructing integrated circuits.

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Communications satellite

A communications satellite is an artificial satellite that relays and amplifies radio telecommunications signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth.

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Convex Computer

Convex Computer Corporation was a company that developed, manufactured and marketed vector minisupercomputers and supercomputers for small-to-medium-sized businesses.

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Cray

Cray Inc. is an American supercomputer manufacturer headquartered in Seattle, Washington.

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Cray-3

The Cray-3 was a vector supercomputer, Seymour Cray's designated successor to the Cray-2.

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Crystalline silicon

Crystalline silicon (c-Si) is the crystalline forms of silicon, either multicrystalline silicon (multi-Si) consisting of small crystals, or monocrystalline silicon (mono-Si), a continuous crystal.

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Crystallographic defect

Crystalline solids exhibit a periodic crystal structure.

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Cubic crystal system

In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube.

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Czochralski process

The Czochralski process is a method of crystal growth used to obtain single crystals of semiconductors (e.g. silicon, germanium and gallium arsenide), metals (e.g. palladium, platinum, silver, gold), salts and synthetic gemstones.

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Direct and indirect band gaps

In semiconductor physics, the band gap of a semiconductor is of two types, a direct band gap or an indirect band gap.

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Economies of scale

In microeconomics, economies of scale are the cost advantages that enterprises obtain due to their scale of operation (typically measured by amount of output produced), with cost per unit of output decreasing with increasing scale.

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Electron hole

In physics, chemistry, and electronic engineering, an electron hole (often simply called a hole) is the lack of an electron at a position where one could exist in an atom or atomic lattice.

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Electron mobility

In solid-state physics, the electron mobility characterizes how quickly an electron can move through a metal or semiconductor, when pulled by an electric field.

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Electronvolt

In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).

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Ethanol

Ethanol, also called alcohol, ethyl alcohol, grain alcohol, and drinking alcohol, is a chemical compound, a simple alcohol with the chemical formula.

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European Chemicals Agency

The European Chemicals Agency (ECHA) is an agency of the European Union which manages the technical, scientific and administrative aspects of the implementation of the European Union regulation called Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH).

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Fermi level

The Fermi level chemical potential for electrons (or electrochemical potential for electrons), usually denoted by µ or EF, of a body is a thermodynamic quantity, whose significance is the thermodynamic work required to add one electron to the body (not counting the work required to remove the electron from wherever it came from).

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Field-effect transistor

The field-effect transistor (FET) is a transistor that uses an electric field to control the electrical behaviour of the device.

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Gallium

Gallium is a chemical element with symbol Ga and atomic number 31.

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Gallium antimonide

Gallium antimonide (GaSb) is a semiconducting compound of gallium and antimony of the III-V family.

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Gallium arsenide phosphide

Gallium arsenide phosphide (1−xx) is a semiconductor material, an alloy of gallium arsenide and gallium phosphide.

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Gallium manganese arsenide

Gallium manganese arsenide is a magnetic semiconductor.

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Gallium nitride

Gallium nitride is a binary III/V direct bandgap semiconductor commonly used in light-emitting diodes since the 1990s.

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Gallium phosphide

Gallium phosphide, a phosphide of gallium, is a compound semiconductor material with an indirect band gap of 2.26 eV(300K).

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Gallium(II) sulfide

Gallium(II) sulfide, GaS, is a chemical compound of gallium and sulfur.

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Germanium

Germanium is a chemical element with symbol Ge and atomic number 32.

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Gunn diode

A Gunn diode, also known as a transferred electron device (TED), is a form of diode, a two-terminal passive semiconductor electronic component, with negative resistance, used in high-frequency electronics.

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Heterojunction bipolar transistor

The heterojunction bipolar transistor (HBT) is a type of bipolar junction transistor (BJT) which uses differing semiconductor materials for the emitter and base regions, creating a heterojunction.

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Heterostructure-emitter bipolar transistor

The Heterojunction-emitter bipolar transistor (HEBT), is a somewhat unusual arrangement with respect to emitter blocking of minority carriers.

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High-electron-mobility transistor

A High-electron-mobility transistor (HEMT), also known as heterostructure FET (HFET) or modulation-doped FET (MODFET), is a field-effect transistor incorporating a junction between two materials with different band gaps (i.e. a heterojunction) as the channel instead of a doped region (as is generally the case for MOSFET).

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Hydrochloric acid

Hydrochloric acid is a colorless inorganic chemical system with the formula.

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Hydrogen peroxide

Hydrogen peroxide is a chemical compound with the formula.

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Hydroxamic acid

A hydroxamic acid is a class of organic compounds bearing the functional group RC(O)N(OH)R', with R and R' as organic residues and CO as a carbonyl group.

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Indium arsenide

Indium arsenide, InAs, or indium monoarsenide, is a semiconductor composed of indium and arsenic.

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Indium gallium arsenide

Indium gallium arsenide (InGaAs) (alternatively gallium indium arsenide, GaInAs) is a ternary alloy (chemical compound) of indium arsenide (InAs) and gallium arsenide (GaAs).

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Indium gallium phosphide

Indium gallium phosphide (InGaP), also called gallium indium phosphide (GaInP), is a semiconductor composed of indium, gallium and phosphorus.

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Indium phosphide

Indium phosphide (InP) is a binary semiconductor composed of indium and phosphorus.

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Infrared

Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.

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Insulator (electricity)

An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.

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Integrated circuit

An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, normally silicon.

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Integrated injection logic

Integrated injection logic (IIL, I2L, or I2L) is a class of digital circuits built with multiple collector bipolar junction transistors (BJT).

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International Agency for Research on Cancer

The International Agency for Research on Cancer (IARC; Centre International de Recherche sur le Cancer, CIRC) is an intergovernmental agency forming part of the World Health Organization of the United Nations.

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JFET

The junction gate field-effect transistor (JFET or JUGFET) is the simplest type of field-effect transistor.

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Laser diode

A laser diode, (LD), injection laser diode (ILD), or diode laser is a semiconductor device similar to a light-emitting diode in which the laser beam is created at the diode's junction.

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Lattice constant

The lattice constant, or lattice parameter, refers to the physical dimension of unit cells in a crystal lattice.

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Light-emitting diode

A light-emitting diode (LED) is a two-lead semiconductor light source.

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Lunokhod programme

Lunokhod (Луноход, "Moonwalker") was a series of Soviet robotic lunar rovers designed to land on the Moon between 1969 and 1977.

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Mars

Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.

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Mars Exploration Rover

NASA's Mars Exploration Rover (MER) mission is an ongoing robotic space mission involving two Mars rovers, Spirit and Opportunity, exploring the planet Mars.

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MESFET

MESFET stands for metal–semiconductor field-effect transistor.

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Metal–semiconductor junction

In solid-state physics, a metal–semiconductor (M–S) junction is a type of junction in which a metal comes in close contact with a semiconductor material.

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Metalorganic vapour phase epitaxy

Metalorganic vapour phase epitaxy (MOVPE), also known as organometallic vapour phase epitaxy (OMVPE) or metalorganic chemical vapour deposition (MOCVD), is a chemical vapour deposition method used to produce single or polycrystalline thin films.

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Metalorganics

Metal-organic compounds (jargon: metalorganics, metallo-organics) are a class of chemical compounds that contain metals and organic ligands, which confer solubility in organic solvents or volatility.

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Methanol

Methanol, also known as methyl alcohol among others, is a chemical with the formula CH3OH (a methyl group linked to a hydroxyl group, often abbreviated MeOH).

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Microprocessor

A microprocessor is a computer processor that incorporates the functions of a central processing unit on a single integrated circuit (IC), or at most a few integrated circuits.

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Microwave

Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between and.

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Mobile phone

A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.

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Molar attenuation coefficient

The molar attenuation coefficient is a measurement of how strongly a chemical species attenuates light at a given wavelength.

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Molecular beam epitaxy

Molecular beam epitaxy (MBE) is an epitaxy method for thin-film deposition of single crystals.

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Monolithic microwave integrated circuit

A Monolithic Microwave Integrated Circuit, or MMIC (sometimes pronounced "mimic"), is a type of integrated circuit (IC) device that operates at microwave frequencies (300 MHz to 300 GHz).

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Multi-junction solar cell

Multi-junction (MJ) solar cells are solar cells with multiple p–n junctions made of different semiconductor materials.

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Nanoelectronics

Nanoelectronics refer to the use of nanotechnology in electronic components.

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Noise (electronics)

In electronics, noise is an unwanted disturbance in an electrical signal.

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Opportunity (rover)

Opportunity, also known as MER-B (Mars Exploration Rover – B) or MER-1, is a robotic rover active on Mars since 2004.

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Oxidation state

The oxidation state, sometimes referred to as oxidation number, describes degree of oxidation (loss of electrons) of an atom in a chemical compound.

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Photomixing

Photomixing is the generation of continuous wave terahertz radiation from two lasers.

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Photovoltaic system

A photovoltaic system, also PV system or solar power system, is a power system designed to supply usable solar power by means of photovoltaics.

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Planned obsolescence

Planned obsolescence, or built-in obsolescence, in industrial design and economics is a policy of planning or designing a product with an artificially limited useful life, so it will become obsolete (that is, unfashionable or no longer functional) after a certain period of time.

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Platinum

Platinum is a chemical element with symbol Pt and atomic number 78.

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Pnictogen

A pnictogen is one of the chemical elements in group 15 of the periodic table.

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Quantum well

A quantum well is a potential well with only discrete energy values.

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Quantum well infrared photodetector

A Quantum Well Infrared Photodetector (QWIP) is an infrared photodetector, which uses electronic intersubband transitions in quantum wells to absorb photons.

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Radar

Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects.

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Radiation hardening

Radiation hardening is the act of making electronic components and systems resistant to damage or malfunctions caused by ionizing radiation (particle radiation and high-energy electromagnetic radiation), such as those encountered in outer space and high-altitude flight, around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.

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RCA

The RCA Corporation was a major American electronics company, which was founded as the Radio Corporation of America in 1919.

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Relative permittivity

The relative permittivity of a material is its (absolute) permittivity expressed as a ratio relative to the permittivity of vacuum.

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Saturation velocity

Saturation velocity is the maximum velocity a charge carrier in a semiconductor, generally an electron, attains in the presence of very high electric fields.

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Semiconductor

A semiconductor material has an electrical conductivity value falling between that of a conductor – such as copper, gold etc.

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Silicate

In chemistry, a silicate is any member of a family of anions consisting of silicon and oxygen, usually with the general formula, where 0 ≤ x Silicate anions are often large polymeric molecules with an extense variety of structures, including chains and rings (as in polymeric metasilicate), double chains (as in, and sheets (as in. In geology and astronomy, the term silicate is used to mean silicate minerals, ionic solids with silicate anions; as well as rock types that consist predominantly of such minerals. In that context, the term also includes the non-ionic compound silicon dioxide (silica, quartz), which would correspond to x.

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Silicon

Silicon is a chemical element with symbol Si and atomic number 14.

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Silicon dioxide

Silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula, most commonly found in nature as quartz and in various living organisms.

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Single crystal

A single crystal or monocrystalline solid is a material in which the crystal lattice of the entire sample is continuous and unbroken to the edges of the sample, with no grain boundaries.

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Solar car racing

Solar car racing refers to competitive races of electric vehicles which are powered by solar energy obtained from solar panels on the surface of the car (solar cars).

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Solar cell

A solar cell, or photovoltaic cell, is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon.

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Soviet Union

The Soviet Union, officially the Union of Soviet Socialist Republics (USSR) was a socialist state in Eurasia that existed from 1922 to 1991.

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Spintronics

Spintronics (a portmanteau meaning spin transport electronics), also known as spin electronics, is the study of the intrinsic spin of the electron and its associated magnetic moment, in addition to its fundamental electronic charge, in solid-state devices.

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Spirit (rover)

Spirit, also known as MER-A (Mars Exploration Rover – A) or MER-2, is a robotic rover on Mars, active from 2004 to 2010.

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Strain (chemistry)

In chemistry, a molecule experiences strain when its chemical structure undergoes some stress which raises its internal energy in comparison to a strain-free reference compound.

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Strategic Defense Initiative

The Strategic Defense Initiative (SDI) was a proposed missile defense system intended to protect the United States from attack by ballistic strategic nuclear weapons (intercontinental ballistic missiles and submarine-launched ballistic missiles).

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Supercomputer

A supercomputer is a computer with a high level of performance compared to a general-purpose computer.

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Thin-film solar cell

A thin-film solar cell is a second generation solar cell that is made by depositing one or more thin layers, or thin film (TF) of photovoltaic material on a substrate, such as glass, plastic or metal.

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Trimethylgallium

Trimethylgallium, Ga(CH3)3, often abbreviated to TMG or TMGa, is the preferred metalorganic source of gallium for metalorganic vapour phase epitaxy (MOVPE) of gallium-containing compound semiconductors, such as GaAs, GaN, GaP, GaSb, InGaAs, InGaN, AlGaInP, InGaP and AlInGaNP.

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United States Department of Defense

The Department of Defense (DoD, USDOD, or DOD) is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces.

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Venera 3

Venera 3 (Венера-3 meaning Venus 3) was a Venera program space probe that was built and launched by the Soviet Union to explore the surface of Venus.

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Zhores Alferov

Zhores Ivanovich Alferov (Жоре́с Ива́нович Алфёров,; Жарэс Іва́навіч Алфёраў; born 15 March 1930) is a Soviet and Russian physicist and academic who contributed significantly to the creation of modern heterostructure physics and electronics.

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Redirects here:

AsGa, GAAS detector, GaAs, Galium arsnide, Gallium Arsenide, Gallium arsenic, Gallium(II) arsenide, Gallium(III) arsenide, Gallium-arsenic, Gallium-arsenide.

References

[1] https://en.wikipedia.org/wiki/Gallium_arsenide

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