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About: Gadolinium diiodide     Goto   Sponge   NotDistinct   Permalink

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Type: Thingdul:ChemicalObjectchemical substanceChemical compoundchemical compound New Facet based on Instances of this Class

Gadolinium diiodide is an inorganic compound, with the chemical formula of GdI2. It is an electride, with the ionic formula of Gd3+(I−)2e−, and therefore not a true gadolinium(II) compound. It is ferromagnetic at 276 K with a saturation magnetization of 7.3 B; it exhibits a large negative magnetoresistance (~70%) at 7 T near room temperature. It can be obtained by reacting gadolinium and gadolinium(III) iodide at a high temperature: Gd + 2 GdI3 → 3 GdI2 It can react with hydrogen at high temperature (800 °C) to obtain gadolinium hydrogen iodide (GdI2H0.97).