Results 61 to 70 of about 46,511 (223)

Topology‐Aware Machine Learning for High‐Throughput Screening of MOFs in C8 Aromatic Separation

Advanced Intelligent Discovery, EarlyView.
We screened 15,335 Computation‐Ready, Experimental Metal–Organic Frameworks (CoRE‐MOFs) using a topology‐aware machine learning (ML) model that integrates structural, chemical, pore‐size, and topological descriptors. Top‐performing MOFs exhibit aromatic‐enriched cavities and open metal sites that enable π–π and C–H···π interactions, serving as ...
Yu Li, Honglin Li, Jialu Li, Wan‐Lu Li
wiley   +1 more source

Europium–Hydrogen Bond Distances in Saline Metal Hydrides by Neutron Diffraction

CHIMIA, 2001
Europium–hydrogen bond distances in saline metal hydrides have been refined from neutron powder diffraction data on the magnesium-based ternary deuterides EuMg2D6, EuMgD4, EU2MgD6, EU6Mg7D26 and EU2Mg3D10.
Klaus Yvon, Holger Kohlmann, Bernard Bertheville   +2 more
doaj   +2 more sources

Interpreting Europium Anomalies in Zircon: The Importance of Source Redox

Geochemistry, Geophysics, Geosystems
The sources of granitoids are variably oxidized due to the diversity of environments in which they form. This environmental and consequent chemical variability leads to differences in mineral assemblages, proportions, and compositions of ferric and ...
Chris Yakymchuk, Christopher L. Kirkland
doaj   +1 more source

Stokes $IQUV$ magnetic Doppler imaging of Ap stars - III. Next generation chemical abundance mapping of Alpha 2 CVn

, 2014
In a previous paper we presented an updated magnetic field map for the chemically peculiar star Alpha 2 CVn using ESPaDOnS and Narval time-resolved high-resolution Stokes $IQUV$ spectra.
Kochukhov, Oleg, Silvester, James, Wade, Gregg A   +2 more
core   +1 more source

Excited multiplets of Eu in GaN [PDF]

, 2011
A method to calculate the multiplet states of lanthanide impurities in solids is presented. This approach is based on a semi-empirical density functional method which includes corrections to account for the correlation and spin-orbit coupling of the 4f ...
Dieke, Frauenheim, Hourahine, O’Donnell, Pickett   +4 more
core   +1 more source

Smart Bioinspired Material‐Based Actuators: Current Challenges and Prospects

Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.
This work gathers, in a review style, an extensive and comprehensive literature overview on the development of autonomous actuators based on synthetic materials, bringing together valuable knowledge from several studies. Furthermore, the article identifies the fundamental principles of actuation mechanisms and defines key parameters to address the size
Alejandro Palacios, Léon Chiriatti, Simon Poppinga, Thomas Speck, Vincent Le Houérou   +4 more
wiley   +1 more source

Radium Speciation in Simulated Digestive Biofluids: Insights from Electrospray Ionization Mass Spectrometry and Thermodynamic Modeling

Analysis &Sensing, EarlyView.
Electrospray ionization mass spectrometry (ESI‐MS) combined with thermodynamic modeling provides the first direct characterization of radium speciation in synthetic gastrointestinal biofluids. Free Ra2+ ions predominate with minimal protein binding and negligible EDTA complexation. Crown ethers enable effective Ra complexation.
Linus Holtmann, Tim Schmalz, Tobias Weissenborn, Felix Stäger, Beate Riebe, Clemens Walther   +5 more
wiley   +1 more source

Study of the interaction of Zinc sulfide with Europium (III) fluoride by spectroscopic methods

Фізика і хімія твердого тіла
A study was conducted on the interaction of Zinc sulfide, obtained by the method of self-propagating high-temperature synthesis, and purified from oxygen with Europium (III) fluoride. The optical properties of the obtained systems were studied.
V.F. Zinchenko, O.V. Mozkova, A.V. Babenko, P.G. Doga, I.R. Magunov, R.E. Khoma   +5 more
doaj   +1 more source

Modelling the observed properties of carbon-enhanced metal-poor stars using binary population synthesis [PDF]

, 2015
The stellar population in the Galactic halo is characterised by a large fraction of CEMP stars. Most CEMP stars are enriched in $s$-elements (CEMP-$s$ stars), and some of these are also enriched in $r$-elements (CEMP-$s/r$ stars).
Abate, C., Beers, T. C., Izzard, R. G., Karakas, A. I., Lee, Y. S., Pols, O. R., Stancliffe, R. J.   +6 more
core   +3 more sources

Europium Tricyclopentadienide

Zeitschrift für Naturforschung B, 1966
Europium tricyclopentadienide has been prepared by the reaction of dichloroeuropium cyclopentadienide with two equivalents of sodium dicyclopentadienide as well as by the reaction of europium trichloride with three equivalents of sodium cyclopentadienide, both reactions taking place in tetrahydrofuran. It is stable in vacuum at temperatures up to 70°C.
Minoru Tsutsui, Toshio Takino, Donald Lorenz   +2 more
openaire   +1 more source