Institute of Mechanics

For Molecular Polaritons, Disorder and Phonon Time Scales Control the Activation of Dark States in the Thermodynamic Limit

Abstract Collective light–matter systems host an extensive manifold of dark states whose role in the emergence of thermodynamic behavior remains poorly understood, especially in the presence of disorder and structured environments. Here, we develop a hybrid matrix product state–h...

Phosphoric Acid Cross-linking Regulates Closed Pores for Scalable Hard Carbon Anodes

Abstract The low-voltage capacity of hard carbon anodes, governed by closed-pore structures, directly determines the energy density of Na-ion batteries (NIBs), yet rational regulation of closed pores remains challenging. Herein, we report a phosphoric acid-induced cross-linking s...

On-Surface Heptagon Contraction Enables Rearrangement Driven Selective C–C Coupling

Abstract On-surface synthesis commonly relies on preinstalled C–X activation sites to initiate intermolecular coupling, which limits reactivity to precursor-encoded positions and can be impractical for frameworks that are difficult to halogenate in solution. Here, we report a rea...

Borane-Catalyzed Divergent Hydrogenative and Silylative Reduction of Quinolinium Salts

Abstract A B(C6F5)3-catalyzed chemoselective reduction of quinolinium salts was developed. This method afforded two distinct products in good to high yields by solvent modulation. In 1,4-dioxane, the reaction proceeds selectively to silylative reduction products, whereas in 1,2-d...

Phase Boundary Engineering Enables Multivalley Activation for High-Performance ZrCoSb Half-Heuslers

Abstract P-type ZrCoSb-based half-Heusler compounds are promising thermoelectric materials for high-temperature power generation because of their excellent thermal stability and mechanical robustness. However, their performance still lags behind that of state-of-the-art p-type Zr...

Ternary-Ion Batteries

Abstract The advancement of rechargeable batteries has long been dominated by two principal paradigms: single-ion and dual-ion mechanisms. The single-ion mechanism, operating via the shuttling of monovalent cations, offers high energy density yet suffers from inherent kinetic lim...

On-Surface Molecular Design and Synthesis of Discrete Metal–Fullerene Complexes on Graphite

Abstract On-surface synthesis enables the fabrication of molecular complexes, which cannot be obtained through traditional solution chemistry. Generally, metal substrates have been used due to their catalytic properties. Here, a tripod-like magnetic molecular complex, (C60)3–Co,...

Mechanisms of Stability of the Metaphase Spindle and Associated Proteins Regulating Microtubule Flux

Abstract How the metaphase spindle in higher eukaryotes maintains stability in the presence of poleward microtubule (MT) flux is a confusing issue. Here, we present a model for the spindle by incorporating augmin-mediated MT connections and MT crosslinking by NuMA proteins. On th...

Ultrahigh On/Off Ratio Oxide Transistors via Noncoplanar Schottky–Ohmic Contacts

Abstract Simultaneously balancing high mobility and ultra-low leakage current is a major challenge for metal-oxide thin-film transistors (TFTs) in ultra-low-power applications. Herein, we construct a high-performance InGaZnO/InGaO/InGaZnO tri-layer TFT based on a noncoplanar Scho...

Superconducting Hydride Mg2RhH6 Experimentally Achieved at Lower Pressure

Abstract Although tremendous progress has been made in recent years in the field of polyhydride superconductors, the realization of high critical temperature (Tc) superconductivity still relies on formidable high pressures. Searching for superconducting hydrides at lower pressure...

MXene-Induced Adsorption of Transition Metals Stabilizes Lithium-Rich Manganese Cathodes against Voltage and Capacity Decay

Abstract Lithium-rich manganese-based materials (LRMO) have emerged as ideal cathode materials for high-energy-density lithium-ion batteries due to their high capacity (>250 mAh/g) and low cost. However, the continuous migration and dissolution of transition metal ions (TM...

Chiral Iridium(III)Microcrystals with Mechano-TunableCircularly Polarized Luminescence

Abstract Multidimensional optical materials are of interest for high-security information encryption and anticounterfeiting, whereas conventional single-channel luminescent systems have low coding capacity and limited security. The combination of mechanochromic luminescence (MCL)...

Kinetically ProgrammedThermoresponsive PolyethyleneGlycol Shedding from Lipid Nanoparticles Improves mRNA Delivery

Abstract Polyethylene glycol (PEG) can stabilize nanoparticles and facilitate transport across biological barriers, yet the same PEG layer suppresses cellular uptake─a trade-off known as the PEG dilemma. Current strategies seek to overcome this limitation by enabling PEG shedding...

Charge-ResonancePolymerization at Donor–AcceptorInterfaces Enables Large-Area Organic Magnetic Membranes

Abstract Electron acceptors such as tetracyanoquinodimethane (TCNQ) and its fluorinated analogue F4TCNQ are foundational to charge-transfer and doping chemistry. At interfaces formed by deposition of these acceptors onto donor substrates, reduced anionic species can naturally coe...

Sulfur-PassivatedSuperatomic Rh13S8± Clusterswith Enhanced Stability and UniqueElectronic Properties

Abstract Metal sulfides have attracted considerable attention in nanomaterials because of their unique properties supporting key applications in catalysis, energy storage, sensing and others. Thiol-protected metal clusters feature similar metal–sulfur bonding as in nanomaterials,...