pnictide
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Oxypnictide — In chemistry, oxypnictides are a class of materials including oxygen, a pnictogen (group V, especially phosphorus and arsenic) and one or more other elements. Although this group of compounds has been recognized since 1995,[1] interest in these… … Wikipedia
Chalcogen — Group 16 Period 2 8 O 3 … Wikipedia
Ferromagnetism — Not to be confused with Ferrimagnetism; for an overview see Magnetism A magnet made of alnico, an iron alloy. Ferromagnetism is the physical theory which explains how materials become magnets. Ferromagnetism is the basic mechanism by which… … Wikipedia
High-temperature superconductivity — Unsolved problems in physics What causes superconductivity at temperatures above 50 kelvin? High temperature superconductors (abbreviated high Tc or HTS) are materials that have a superconducting transition temperature (Tc) above 30 K… … Wikipedia
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium
oxypnictide — noun Any substance that is both an oxide and a pnictide, especially any of a class of such iron compounds that are semiconductors … Wiktionary
ferropnictide — noun Any of a class of iron pnictide materials that are superconductors … Wiktionary
pnictogen — noun /ˈpnɪktə(ʊ)dʒən/ Any element from group 15 of the periodic table; nitrogen, phosphorus, arsenic, antimony and bismuth. Syn: pentel See Also: pnictide … Wiktionary
Долгов, Олег Владимирович — Олег Владимирович Долгов Дата рождения: 9 апреля 1952(1952 04 09) (60 лет) Место рождения: Дзержинск, Горьковская область, СССР Страна … Википедия
Pnicogen — Pni|co|gen [griech. pniktós = erstickt; ↑ gen], das; s, e: vorgeschlagener Gruppenname für die Elemente der Stickstoffgruppe (N, P, As, Sb, Bi), der von IUPAC ebenso wenig akzeptiert wurde wie Pnictide für die abgeleiteten Verbindungen … Universal-Lexikon
