Results 201 to 210 of about 24,589 (267)

An Electron‐Poor Nickel Diphosphine Complex: Synthesis, Structure, and Reactivity of Ni(dFppe)2

open access: yesChemistry – A European Journal, EarlyView.
Fluorinated diphosphine ligands such as 1,2‐bis[bis(pentafluorophenyl)phosphino]ethane (dFppe) offer powerful electronic tunability and unusual reactivity. Despite known analogues of the heavier congeners Pd and Pt, Ni complexes of dFppe remain conspicuously absent.
A. Dina Dilinaer, Marcus W. Drover
wiley   +1 more source

A binary system in the S cluster close to the supermassive black hole Sagittarius A. [PDF]

open access: yesNat Commun
Peißker F   +6 more
europepmc   +1 more source

Cationic Sulfonium‐Based Tripodal Ligand and Its Rh(I) Complexes

open access: yesChemistry – A European Journal, EarlyView.
We report a cationic EP3‐type tripodal ligand based on an aromatic sulfonium cation (E = S+) along with a series of its Rh(I) complexes. Structural, spectroscopic, electrochemical, and computational analyses of these complexes compared to isostructural analogs (E = Si− or P) reveal pronounced electron density depletion at Rh in the sulfonium congener ...
Nitsan Barel   +5 more
wiley   +1 more source

The Huang–Yang Formula for the Low‐Density Fermi Gas: Upper Bound

open access: yesCommunications on Pure and Applied Mathematics, EarlyView.
ABSTRACT We study the ground state energy of a gas of spin 1/2$1/2$ fermions with repulsive short‐range interactions. We derive an upper bound that agrees, at low density ϱ$\varrho$, with the Huang–Yang conjecture. The latter captures the first three terms in an asymptotic low‐density expansion, and in particular the Huang–Yang correction term of order
Emanuela L. Giacomelli   +3 more
wiley   +1 more source

Stopping Power of Electron Liquid for Slow Quantum Projectiles

open access: yesContributions to Plasma Physics, EarlyView.
ABSTRACT We revisit the problem of the deceleration of a charge moving in a medium. In the low‐velocity limit of the projectile, we construct the fully nonlinear (in the charge–target interaction) theory of the stopping power (SP), which goes beyond the classical Ehrenfest dynamics.
Vladimir U. Nazarov, E. K. U. Gross
wiley   +1 more source

Generative Artificial Intelligence in education: Models, Frameworks and the proposal for a new vertical K‐12 Digital Curriculum

open access: yesThe Curriculum Journal, EarlyView.
Abstract This contribution critically analyses the main international educational frameworks for teachers' digital competence, highlighting both critical issues and potential in relation to their professional development and the need to update school curricula.
Daniela Marzano   +3 more
wiley   +1 more source

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