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 …

Study on the Local Structure and Luminescence Properties of a Y2Mg2Al2Si2O12:Eu3+ Red Phosphor for White-Light-Emitting Diodes

X Zhang, T Shen, D Kan, D Zhang, R Dong… - Inorganic …, 2020 - ACS Publications
Structure determines properties, and properties determine applications, which is an
important ideology of natural sciences. For optical materials, it is vital to lucubrate the …

Magnetic phase separation in the EuPdSn 2 ground state

A Martinelli, D Ryan, J Sereni, C Ritter… - Journal of Materials …, 2023 - pubs.rsc.org
The chemical bonding, structural and magnetic properties of EuPdSn2 have been
investigated by DFT, synchrotron X-ray and neutron powder diffraction and 151Eu …

On the Ytterbium Valence and the Physical Properties in Selected Intermetallic Phases

S Engel, ECJ Gießelmann, MK Reimann… - ACS Organic & …, 2024 - ACS Publications
The present review summarizes important aspects of the crystal chemistry of ytterbium-
based intermetallic compounds along with a selection of their outstanding physical …

Theoretical and 27Al NMR Spectroscopic Investigations of Binary Intermetallic Alkaline-Earth Aluminides

S Engel, ECJ Gießelmann, LE Schank… - Inorganic …, 2023 - ACS Publications
The binary alkaline-earth aluminides AE Al2 (AE= Ca and Sr) and AE Al4 (AE= Ca–Ba) have
been synthesized from the elements and investigated via powder X-ray diffraction …

Raman and NMR spectroscopic and theoretical investigations of the cubic laves-phases REAl 2 (RE= Sc, Y, La, Yb, Lu)

ECJ Gießelmann, S Engel, W Kostusiak, Y Zhang… - Dalton …, 2023 - pubs.rsc.org
The cubic Laves-phase aluminides REAl2 with RE= Sc, Y, La, Yb and Lu were prepared
from the elements by arc-melting or using refractory metal ampoules and induction heating …

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 …

Superconductivity and magnetism in : A family of crystallographically complex noncentrosymmetric compounds

E Svanidze, A Amon, M Nicklas, Y Prots, M Juckel… - Physical Review …, 2021 - APS
Crystallographically complex compounds often possess peculiar physical properties, the
evolution of which can be tracked by changing one of the constituent elements at a time. We …

Formation of the Sub-oxide Sc4Au2O1–x and the Drastically Negative 27Al NMR Shift in Sc2Al

ECJ Gießelmann, M Radzieowski, SF Matar… - Inorganic …, 2023 - ACS Publications
During attempts to synthesize Sc4AuAl in the cubic Gd4RhIn-type structure, the solid
solution Sc2Au0. 5Al0. 5 in the PbCl2-type structure formed instead. Subsequently, the solid …

Magnesium and barium in two substructures: BaTMg2 (T = Pd, Ag, Pt, Au) and the isotypic cadmium compound BaAuCd2 with MgCuAl2 type structure

MK Reimann, R Pöttgen - Zeitschrift für Kristallographie-Crystalline …, 2023 - degruyter.com
The intermetallic barium compounds Ba T Mg2 (T= Pd, Ag, Pt, Au) and BaAuCd2 were
synthesized by reactions of the elements in sealed tantalum ampoules in muffle furnaces …