- superexchange
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An interaction of the electrons of two molecular entities mediated by one or more molecules or ions.
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superexchange
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Superexchange — (or Kramers Anderson superexchange) is the strong antiferromagnetic coupling between two next to nearest neighbor positive ions through a non magnetic anion. It is caused as a result of the electrons having come from the same donor atom and… … Wikipedia
superexchange interaction — superpakaitinė sąveika statusas T sritis fizika atitikmenys: angl. superexchange interaction vok. Superaustauschwechselwirkung, f rus. сверхобменное взаимодействие, n pranc. interaction de superéchange, f … Fizikos terminų žodynas
Interacción de canje — Dos orbitales d de iones metálicos vecinos: la interacción de canje J se produce entre dos electrones con el mismo número cuántico de espín Ms, e impide que … Wikipedia Español
John B. Goodenough — John Bannister Goodenough is an American professor and prominent solid state physicist. He is currently a professor of mechanical engineering and materials science at the University of Texas at Austin. He is widely credited for the identification … Wikipedia
Exchange interaction — In physics, the exchange interaction is a quantum mechanical effect without classical analog which increases or decreases the expectation value of the energy or distance between two or more identical particles when their wave functions overlap.… … Wikipedia
Double-exchange mechanism — The double exchange mechanism is a type of a magnetic exchange that may arise between ions in different oxidation state. First proposed by Clarence Zener,[1] this theory that predicts the relative ease with which an electron may be exchanged… … 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
Hematite — For other uses, see Hematite (disambiguation). Hematite Hematite (blood ore) from Michigan (unknown scale) General Category … Wikipedia
Hendrik Anthony Kramers — [ right|thumb|200px Hans Kramers (center) with George Uhlenbeck and Samuel Goudsmit, circa 1928.] Hendrik Anthony Kramers (Rotterdam, February 2, 1894 ndash; Oegstgeest, April 24, 1952) was a Dutch physicist, who was generally known by the first… … Wikipedia
Single-molecule magnet — Single molecule magnets or SMMs are a class of metalorganic compounds, that show superparamagnetic behavior below a certain blocking temperature at the molecular scale. In this temperature range, SMMs exhibit magnetic hysteresis of purely… … Wikipedia
