Unique electronic states of Eu-based compounds

Y Ōnuki, M Hedo, F Honda - journal of the physical society of japan, 2020 - journals.jps.jp
Pressure is a powerful tool for exploring novel phenomena in solid-state physics. We review
the electronic states of single-crystalline EuT2X2 (T: transition metal, X: Si or Ge) and related …

Trivalent europium–a scarce case in intermetallics

S Engel, ECJ Gießelmann, R Pöttgen… - Reviews in Inorganic …, 2023 - degruyter.com
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 …

Tunable valence tautomerism in lanthanide–organic alloys

MA Dunstan, AS Manvell, NJ Yutronkie, F Aribot… - Nature Chemistry, 2024 - nature.com
The inimitable electronic structures of the lanthanide (Ln) ions are key to advanced materials
and technologies involving these elements. The trivalent ions are ubiquitous and are used …

On the divalent character of the Eu atoms in the ternary zintl phases Eu 5 in 2 pn 6 and Eu 3 MAs 3 (pn= As–Bi; M= Al, Ga)

M Radzieowski, F Stegemann, S Klenner… - Materials Chemistry …, 2020 - pubs.rsc.org
Five Zintl phases in the ternary system Eu–M–Pn (M= Al, In; Pn= As, Sb, Bi) were prepared
from the elements in tantalum containers. Eu5In2As6 and Eu5In2Sb6 crystallize in the …

Synthesis, magnetic and NMR spectroscopic properties of the MAl 5 Pt 3 series (M= Ca, Y, La–Nd, Sm–Er)

S Engel, ECJ Gießelmann, L Schumacher… - Dalton …, 2024 - pubs.rsc.org
Following recent investigation in the ternary system Sr–Al–Pt led to the discovery of SrAl5Pt3
which crystallizes in the orthorhombic YNi5Si3 type (Pnma) structure. Interestingly, only two …

From 3D to 2D: Structural, Spectroscopic and Theoretical Investigations of the Dimensionality Reduction in the [PtAl2] δ− Polyanions of the Isotypic MPtAl2 Series (M …

F Stegemann, T Block, S Klenner… - … A European Journal, 2019 - Wiley Online Library
Abstract Four new MPtAl2 (M= Ca, Sr, Ba, Eu) compounds, adopting the orthorhombic
MgCuAl2‐type structure, have been synthesized from the elements using tantalum …

Synthesis, Crystal Structure, Local Structure, and Magnetic Properties of Polycrystalline and Single-Crystalline Ce2Pt6Al15

K Ota, Y Watabe, Y Haga, F Iesari, T Okajima… - Symmetry, 2023 - mdpi.com
Asymmetry, such as non-centrosymmetry in the crystal or chiral structure and local symmetry
breaking, plays an important role in the discovery of new phenomena. The honeycomb …

Rapid Synthesis of a Green Emitting Phosphor by Sulfidation of Intermetallic EuAl2 and its Use in a Hybrid Material

ECJ Gießelmann, S Engel, S Pohl… - Chemistry of …, 2024 - ACS Publications
Ternary sulfides are usually synthesized from the binary sulfidic precursors at elevated
temperatures using prolonged reaction times and sometimes H2S atmosphere to remove …

Pressure-induced valence fluctuation in CsEuF3: From divalent Eu valence to trivalent Eu valence state

T Nakagawa, M Vrankić, M Menelaou, R Sereika… - Journal of physics and …, 2023 - Elsevier
The ternary rare-earth metal fluoride CsEuF 3 adopts an ideal cubic perovskite structure
[ABX 3] under ambient conditions. The B-cation site is occupied by the rare-earth Eu ion and …

An Unusual Valence State: Trivalent Europium in Intermetallic Eu2Ir3Al9

F Stegemann, T Block, S Klenner… - Chemistry–A European …, 2019 - Wiley Online Library
Abstract Eu2Ir3Al9, synthesized from the elements in tantalum tubes, is one of the rare
examples for trivalent europium in the field of intermetallic compounds. The compound …