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Europium is a chemical element; it has symbol Eu and atomic number 63. It is a silvery-white metal of the lanthanide series that reacts readily with air to form a dark oxide coating. Europium is the most chemically reactive, least dense, and softest of the lanthanides. It is soft enough to be cut with a knife.
For example, europium(III) oxide can be used in picture tube televisions [67] and europium-doped yttrium oxysulfide (Y 2 O 2 S:Eu 3+) can be used as phosphors. [68] In addition, europium compounds can also be used in the manufacture of anti-counterfeiting materials. [69]
Europium(III) oxide (Eu 2 O 3), is a chemical compound of europium and oxygen. It is widely used as a red or blue phosphor in television sets and fluorescent lamps , and as an activator for yttrium -based phosphors.
Europium(III) chloride is an inorganic compound with the formula EuCl 3. The anhydrous compound is a yellow solid. Being hygroscopic it rapidly absorbs water to form ...
Eu 2+,Dy 3+,B:SrAl 2 O 4 shows significantly longer afterglow than the europium-only doped material. The Eu 2+ dopant shows high afterglow, while Eu 3+ has almost none. Polycrystalline Mn:SrAl 12 O 19 is used as a green phosphor for plasma displays, and when doped with praseodymium or neodymium it can act as a good active laser medium.
Europium oxide is a compound from the two elements europium and oxygen. Europium oxide may refer to: Europium(II) oxide (europium monoxide, EuO) a magnetic semiconductor. Europium(III) oxide (europium sesquioxide, Eu 2 O 3), the most common oxide.
Europium(III) phosphide actively reacts with nitric acid. [citation needed] Uses. The compound is a semiconductor used in high power, high frequency applications ...
Rare-earth element abundances of basalts, of both terrestrial and lunar origins [1]. The europium anomaly is the phenomenon whereby the europium (Eu) concentration in a mineral is either enriched or depleted relative to some standard, commonly a chondrite or mid-ocean ridge basalt (MORB).