Results 61 to 70 of about 39,414 (295)
Transient interactions of boron carbide with molten uranium oxide
Thermodynamic equilibrium calculations have shown that, at the elevated temperatures anticipated during severe accidents, uranium oxide-boron carbide interactions are likely to result in significant boron volatilization and the formation of uranium ...
Christophe Journeau +6 more
doaj +1 more source
Sterically Unprotected Nucleophilic Boron Cluster Reagents [PDF]
Herein, we demonstrate that the bench stable closo-hexaborate cluster anion can engage in a nucleophilic substitution reaction with a wide array of organic and main group electrophiles.
Alexander, Spokoyny +12 more
core +1 more source
A Boron-Boron Double Transborylation Strategy for the Synthesis of gem-Diborylalkanes [PDF]
9-Borabicyclo[3.3.1]nonane (H-B-9-BBN) has been used as a catalyst for the sequential double hydroboration of alkynes with pinacolborane (HBpin) to give alkyl gem-di-pinacol boronic esters.
Kieran, Nicholson +3 more
core +1 more source
Polymorphism of boron phosphide: theoretical investigation and experimental assessment [PDF]
International audienceStable crystal structures of wurtzite (w-BP) and recently discovered rhombohedral (rh-BP) polymorphic modifications of boron phosphide were obtained based on crystal chemistry rationale and unconstrained geometry optimization ...
Samir F., Matar +3 more
core +1 more source
Liquid‐phase transmission electron microscopy enables direct observation of nucleation and growth processes in solution. This review is dedicated to the remembrance of Helmut Cölfen and highlights recent studies on complex materials—oxides, biominerals, organic–inorganic crystals—which were central to his research activity. It summarizes key milestones,
Charles Sidhoum +5 more
wiley +1 more source
Off-stoichiometric Restructuring and Sliding Dynamics of Hexagonal Boron Nitride Edges in Conditions of Oxidative Dehydrogenation of Propane [PDF]
Boron-containing materials such as hexagonal boron nitride, recently shown to be active and selective catalysts for the oxidative dehydrogenation of propane (ODHP), have been shown to undergo significant surface oxyfunctionalization and restructuring ...
Zisheng, Zhang +2 more
core +1 more source
Multiscale experiments and modeling reveal how Ti3C2Tx MXene nanosheets reinforce PVDF nanocomposites. An optimal MXene loading (∼1 wt.%) nearly doubles tensile strength through efficient stress transfer, flake alignment, and crack‐deflection mechanisms, transforming ductile polymer behavior into a controlled multi‐stage fracture pathway which aligns ...
Bita Soltan Mohammadlou +5 more
wiley +1 more source
Machine Learning‐Assisted Inverse Design of Soft and Multifunctional Hybrid Liquid Metal Composites
A machine learning framework is presented for inverse design of synthesizable multifunctional composites containing both liquid metal and solid inclusions. By integrating physics‐based modeling, data‐driven prediction, and Bayesian optimization, the approach enables intelligent design of experiments to identify optimal compositions and realize these ...
Lijun Zhou +5 more
wiley +1 more source
A Super-Oxidized Radical Cationic Icosahedral Boron Cluster [PDF]
While the icosahedral closo-[B12H12]2– cluster does not display reversible electrochemical behavior, perfunctionalization of this species via substitution of all twelve B–H vertices with alkoxy orbenzyloxy (OR) substituents engenders reversible redox ...
Alexander, Spokoyny +12 more
core +1 more source
Orbital Geometry‐Governed Response of Pressure‐Tunable Quantum Defects in hBN
Defects in hBN act as ultrasensitive quantum manometers when the energy of the intradefect optical transitions is modified by lattice compression. The orbital geometry of the electron wave functions governs how electron hopping and Coulomb interactions react uniquely to the reduction of the van der Waals gap and in‐plane compression, leading to robust ...
Magdalena Grzeszczyk +6 more
wiley +1 more source

