Trivalent europium – a scarce case in intermetallics

IF 4.1 3区 化学 Q1 CHEMISTRY, INORGANIC & NUCLEAR Reviews in Inorganic Chemistry Pub Date : 2023-04-07 DOI:10.1515/revic-2023-0003
S. Engel, Elias C. J. Gießelmann, Rainer Pöttgen, O. Janka
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引用次数: 3

Abstract

Abstract In most intermetallic europium compounds, the Eu atoms exhibit a divalent oxidation state with a high effective magnetic moment since Eu2+ is isoelectronic with Gd3+. Trivalent intermetallic Eu compounds, in contrast, are extremely scarce and under 20 examples are known to literature. This mini-review summarizes the known binary and ternary examples along with their crystal-chemical peculiarities as well as their magnetic and 151Eu Mössbauer spectroscopic behavior. Additionally, compounds that exhibit valence phase transitions are summarized.
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三价铕——金属间化合物中的稀有元素
在大多数金属间铕化合物中,由于Eu2+与Gd3+是等电子的,Eu原子表现出具有高有效磁矩的二价氧化态。相比之下,三价金属间铕化合物极为稀少,文献中已知的例子不到20个。这篇综述总结了已知的二元和三元的例子,以及它们的晶体化学特性,以及它们的磁性和151Eu Mössbauer光谱行为。此外,还总结了表现出价相转变的化合物。
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来源期刊
Reviews in Inorganic Chemistry
Reviews in Inorganic Chemistry 化学-分析化学
CiteScore
7.30
自引率
4.90%
发文量
20
审稿时长
1 months
期刊介绍: Reviews in Inorganic Chemistry (REVIC) is a quarterly, peer-reviewed journal that focuses on developments in inorganic chemistry. Technical reviews offer detailed synthesis protocols, reviews of methodology and descriptions of apparatus. Topics are treated from a synthetic, theoretical, or analytical perspective. The editors and the publisher are committed to high quality standards and rapid handling of the review and publication process. The journal publishes all aspects of solid-state, molecular and surface chemistry. Topics may be treated from a synthetic, theoretical, or analytical perspective. The editors and the publisher are commited to high quality standards and rapid handling of the review and publication process. Topics: -Main group chemistry- Transition metal chemistry- Coordination chemistry- Organometallic chemistry- Catalysis- Bioinorganic chemistry- Supramolecular chemistry- Ionic liquids
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