Gadolinium Iodide
Gadolinium iodide may refer to: * Gadolinium diiodide, GdI2 * Gadolinium(III) iodide (gadolinium triiodide), GdI3 {{Short pages monitor ...
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Gadolinium Diiodide
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 Magnetoresistance is the tendency of a material (often ferromagnetic) to change the value of its electrical resistance in an externally-applied magnetic field. There are a variety of effects that can be called magnetoresistance. Some occur in bulk ... (~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). References {{Lanthanide halides Gadolinium compounds Iodides Electrides Ferromagnetic materials Lanthanide halides ...
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