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europium    音标拼音: [jʊr'opiəm]
n. 铕

铕

europium
n 1: a bivalent and trivalent metallic element of the rare earth
group [synonym: {europium}, {Eu}, {atomic number 63}]

Europium \Eu*ro"pi*um\, n. [NL.; Europe -ium, as in
aluminium.] (Chem.)
A metallic element of the rare-earth group (Lanthanide
series), discovered spectroscopically by Demarcay in 1896.
Symbol, Eu; atomic number 63; at. wt., 151.965 (C=12.011);
valence = 2 or 3.
[Webster 1913 Suppl. PJC]


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  • Europium - an overview | ScienceDirect Topics
    Europium is the most reactive rare-earth element Because of its high reactivity, solid europium rarely looks shiny It reacts with water to form europium hydroxide (Eu (OH)3) It swiftly oxidizes in air, ignites in the range of 150–180°C to form Eu 3+ oxide (Eu 2 O 3) It dissolves in most of the acidic and basic solvents
  • Europium - an overview | ScienceDirect Topics
    Europium An application of the complexes of the element (e g , Eu (fod) 3) is as shift reagents in nuclear magnetic resonance This has, however, been banished because of the advent of cheaper superconducting magnets spectroscopy Chiral shift reagents, such as Eu (hfc) 3, are still used to determine enantiomeric purity [57–61] Other applications of Eu in the form of 2+ and 3+ cations, are
  • The biological functions of europium-containing biomaterials: A . . .
    Europium (Eu), which is an REE with low toxicity and good biocompatibility, has promising applications in biomedicine This article systematically reviews the osteogenic, angiogenic, neuritogenic, antibacterial, and anti-tumor properties of Eu-containing biomaterials, thereby paving the way for biomedical applications of Eu
  • A green europium-cerium redox flow battery with ultrahigh voltage and . . .
    Moreover, the extremely low biotoxicity of cerium and europium proves the advantages of Eu-Ce flow battery with green [27], [28] In this work, the Eu-Ce RFB is proposed by combining the advantages of cerium and europium
  • Europium-labelled nanopolystyrene as model nanoplastics for . . .
    Nanoplastics (NPLs) have emerged as pervasive environmental contaminants, reaching remote regions and even crossing biological barriers such as the hu…
  • Interpretation of europium (III) spectra - ScienceDirect
    The trivalent europium ion (Eu 3+) is well known for its strong luminescence in the red spectral region, but this ion is also interesting from a theoretical point of view Due to the even number of electrons in the 4f shell (4f 6 configuration), the crystal-field perturbation by the crystalline host matrix lifts partly or completely the degeneracies of the 2S+1 L J levels The Eu 3+ ion has
  • Europium(III) coordination chemistry: structure, spectra and . . .
    The red or orange emission spectra of tripositive europium have led to thousands of publications and to phosphor applications The orange emission mai…
  • A critical review of the solution chemistry, solubility, and . . .
    Europium is a so-called critical raw material and a typical representative of the Rare Earth Elements (REE) Thus it often serves as chemical analogue for even wider fields of application
  • Effect of europium doping on structural, optical and fluorescence . . .
    The present study investigated the effect of Europium (Eu) doping on the structural, optical and fluorescence lifetime analysis of CuS nanostructures The Cu1-x Eu x S (x = 0, 1, 3, 5, 7 at %) nanostructures were prepared by using the Hydrothermal method





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