indium gallium encyclopedia

Gallium - an overview | ScienceDirect Topics

Gallium (Ga) is a trivalent metal that exists as the strongly hydrolyzed Ga (OH) 4 − ion and to a much lesser extent as Ga(OH) 3 (<2%) in sea water. Dissolved gallium ranges from 2 to 60 pmol l −1, with the lowest values in the surface waters of the high-latitude North Pacific, and the highest values in the surface waters of the North Atlantic.Vertical distributions of dissolved gallium ...

Indium gallium phosphide - WikiMili, The Free Encyclopedia

Sep 23, 2019· Indium gallium phosphide Last updated September 23, 2019. Indium gallium phosphide (InGaP), also called gallium indium phosphide (GaInP), is a semiconductor composed of indium, gallium and phosphorus.It is used in high-power and high-frequency electronics because of its superior electron velocity with respect to the more common semiconductors silicon and gallium …

RP Photonics Encyclopedia - gain media, active laser ...

There are a variety of very different gain media; the most common of them are: Certain direct band gap semiconductors such as gallium arsenide, indium gallium arsenide or gallium nitride are typically pumped with electrical currents, often in the form of quantum wells (→ semiconductor lasers).; Certain laser crystals and glasses such as Nd:YAG (neodymium-doped yttrium aluminum garnet → YAG ...

Indium | chemical element - Encyclopedia Britannica

Indium (In), chemical element, rare metal of main Group 13 (IIIa, or boron group) of the periodic table. Indium has a brilliant silvery-white lustre. It was discovered (1863) by German chemists Ferdinand Reich and Hieronymus Theodor Richter while they were examining zinc ore samples. The presence

Indium - Simple English Wikipedia, the free encyclopedia

Indium is a chemical element. It has the chemical symbol In. It has the atomic number 49. It is a rare metal. It is a soft, malleable and poor metal. Indium looks like zinc. Pieces of indium can easily be joined together by pushing one piece into another. The chemistry of indium is quite like aluminium or gallium. Zinc ores are the main source ...

Copper indium gallium selenide - WikiMili, The Free ...

Mar 21, 2019· Copper indium gallium (di)selenide (CIGS) is a I-III-VI 2 semiconductor material composed of copper, indium, gallium, and selenium.The material is a solid solution of copper indium selenide (often abbreviated "CIS") and copper gallium selenide.It has a chemical formula of CuIn (1-x) Ga (x) Se 2 where the value of x can vary from 0 (pure copper indium selenide) to 1 (pure copper gallium …

Indium gallium arsenide phosphide - Encyclopedia Britannica

Other articles where Indium gallium arsenide phosphide is discussed: gallium: …GaN, gallium arsenide, GaAs, and indium gallium arsenide phosphide, InGaAsP—that have valuable semiconductor and optoelectronic properties. Some of these compounds are used in solid-state devices such as transistors and rectifiers, and some form the basis for light-emitting diodes and semiconductor lasers.

Aluminium gallium arsenide - WikiMili, The Free Encyclopedia

Gallium is a chemical element with symbol Ga and atomic number 31. It is in group 13 of the periodic table, and thus has similarities to the other metals of the group, aluminium, indium, and thallium. Gallium does not occur as a free element in nature, but as gallium(III) compounds in …

Photosensitivity Of Solution-Based Indium Gallium Zinc ...

Encyclopedia is a platform about science and scientists. Content on Encyclopedia tracks the latest progress in research and can be revised by readers at any time. Photosensitivity Of Solution-Based Indium Gallium Zinc Oxide | Encyclopedia

Toxicity of cadmium telluride, copper indium diselenide ...

Jan 18, 2000· This paper reviews recently derived toxicity data for Copper Indium Diselenide (CIS), Cadmium Gallium Diselenide (CGS) and Cadmium Telluride (CT), promising new materials on which a new generation of thin‐film photovoltaic cells for generating electricity may be based.

Indium

Indium is a very soft, silvery-white, relatively rare true metal with a bright luster. As a pure metal indium emits a high-pitched "cry", when it is bent. Both gallium and indium are able to wet glass. One unusual property of indium is that its most common isotope is slightly radioactive; it …

Indium - Wikipedia

In, a chemical element in Group III of the Mendeleev periodic system. Atomic number, 49: atomic mass, 114.82. A lustrous soft white metal, indium comprises a mixture of two isotopes: " 3 In (4.33 percent) and 115 In (95.67 percent). The latter isotope exhibits very low β-radioactivity (half-life T 1/2 = 6 X 10 14 years).. In 1863, during a spectroscopic analysis of zinc blende, the German ...

Indium - ScienceDaily

Indium is a chemical element in the periodic table that has the symbol In and atomic number 49. This rare, soft, malleable and easily fusible poor metal, is chemically similar to aluminium or ...

Gallium scan: MedlinePlus Medical Encyclopedia

Sep 16, 2020· A gallium scan is a test to look for swelling (inflammation), infection, or cancer in the body. It uses a radioactive material called gallium and is a type of nuclear medicine exam. Gallium scan: MedlinePlus Medical Encyclopedia

Indium precursors -

Indium MOCVD and ALD precursors. Share this page. Share on Facebook; Share on Twitter

Indium - Encyclopedia

INDIUM (symbol In, atomic weight 114.8), a metallic chemical element, included in the sub-group of the periodic classification of the elements containing aluminium, gallium and thallium. It was first discovered in 1863 by F. Reich and Th. Richter (Journ. fiir prak. Chem., 1863, 89 by means of its spectrum., P444) It occurs naturally in very small quantities in zinc blende, and is best obtained ...

Properties of Gallium | Indium Corporation

Gallium is Unique. In its pure form, gallium is an unusual element to say the least. With a melting point of approximately 30°C, gallium is a liquid at just above room temperature. When alloyed with other elements (notably indium), the resulting melting point is below room temperature.

Indium - an overview | ScienceDirect Topics

Indium is a metal that can be used as an iron analog; it is similar to gallium. Isotopes of interest are 111 In and 113m In. Indium-111 has a physical half-life of 67 hours and is produced by a cyclotron. The principal photons are 173 keV (89%) and 247 keV (94%). Indium-113m can be conveniently produced by using a 113 Sn generator system. It ...

CIGS solar cell | technology - Encyclopedia Britannica

CIGS solar cell, in full copper indium gallium selenide solar cell, thin-film photovoltaic device that uses semiconductor layers of copper indium gallium selenide (CIGS) to absorb sunlight and convert it into electricity.Although CIGS solar cells are considered to be in the early stages of large-scale commercialization, they can be produced by using a process that has the potential to reduce ...

Indium - an overview | ScienceDirect Topics

Aug 06, 2011· Aluminum, Gallium, and Indium Nitrides. H. Morkoç, in Encyclopedia of Materials: Science and Technology, 2001. 4 Indium Nitride. Pure InN has not received the experimental attention given to GaN and AlN. This is probably owing to difficulties in growing high-quality crystalline InN samples and because of the existence of alternative well ...

Indium - an overview | ScienceDirect Topics

Richard Corkish, in Encyclopedia of Energy, 2004. 4.3 Thin-Film Chalcopyrite Cells. Copper indium gallium diselenide (Cu(In,Ga)Se 2, abbreviated to CIGS, or to CIS if the gallium is absent, is another promising thin-film PV material, although it is still only in small-scale production. Laboratory efficiencies have been difficult to transfer to ...

Gallium | chemical element - Encyclopedia Britannica

Gallium (Ga), chemical element, metal of main Group 13 (IIIa, or boron group) of the periodic table. It liquefies just above room temperature. Gallium was discovered (1875) by French chemist Paul-Émile Lecoq de Boisbaudran, who observed its principal spectral lines while examining material

Indium Arsenide - an overview | ScienceDirect Topics

C. Burgess, in Encyclopedia of Analytical Science (Second Edition), 2005. Indium arsenide and germanium photodiodes. Indium arsenide photodiodes are used for the near-infrared region and typically cover 1800–3600 nm. They are destroyed by bias voltages in excess of 1 V and are only separated in the photoconductive mode.

Indium - New World Encyclopedia

Alloyed with gallium arsenide, it forms indium gallium arsenide, which is also used in the semiconductor industry. Indium nitride (InN): This is a small bandgap semiconductor material that has potential applications in solar cells and high speed electronics. Currently there is research into developing solar cells using nitride-based semiconductors.

Indium gallium arsenide | materials science | Britannica

Other articles where Indium gallium arsenide is discussed: nanotechnology: Bottom-up approach: Indium gallium arsenide (InGaAs) dots can be formed by growing thin layers of InGaAs on GaAs in such a manner that repulsive forces caused by compressive strain in the InGaAs layer results in the formation of isolated quantum dots. After the growth of multiple layer…

Masrium | Article about Masrium by The Free Dictionary

Indium reacts readily with the halogens and (when warm) with other nonmetals, e.g., phosphorus, selenium, and sulfur. It has trivalent compounds that are similar to those of gallium and aluminum. Indium salts color the Bunsen flame a deep blue-violet.

Indium-111 | Article about indium-111 by The Free Dictionary

In, a chemical element in Group III of the Mendeleev periodic system. Atomic number, 49: atomic mass, 114.82. A lustrous soft white metal, indium comprises a mixture of two isotopes: " 3 In (4.33 percent) and 115 In (95.67 percent). The latter isotope exhibits very low β-radioactivity (half-life T 1/2 = 6 X 10 14 years).. In 1863, during a spectroscopic analysis of zinc blende, the German ...

Indium | Article about indium by The Free Dictionary

In, a chemical element in Group III of the Mendeleev periodic system. Atomic number, 49: atomic mass, 114.82. A lustrous soft white metal, indium comprises a mixture of two isotopes: " 3 In (4.33 percent) and 115 In (95.67 percent). The latter isotope exhibits very low β-radioactivity (half-life T 1/2 = 6 X 10 14 years).. In 1863, during a spectroscopic analysis of zinc blende, the German ...