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The antiferromagnetic material haematite, named for its blood-red colour, hosts swirling spin vortices termed merons. The rotation sense of such antiferromagnetic vortices has now been imaged in real space.
An important but difficult separation, the removal of carbon monoxide from humid gas mixtures comprising oxygen, nitrogen and hydrocarbons, is addressed by exploiting Cu(I) coordination chemistry and framework flexibility.
Engineered ligand shells on gold nanoclusters utilizing molecular motion improve the thermal conductance between the cluster and the solvent, increasing thermal stability and enhancing performance in the photothermal treatment of cancerous tumours.
Incorporating additives that contain hydrogen-bonding nanochannels creates nanoconfined polymer gels that are highly stretchable, elastic and insensitive to notch propagation.
Processible centimetre-scale porous glasses using zeolitic imidazolate framework (ZIF) materials are developed, while fine-tuning of the processing conditions allows control of pore size and molecular sieving properties.
Orthogonally twisted CrSBr ferromagnetic monolayers with in-plane Ising anisotropies are found to exhibit multistep magnetoresistance switching with a magnetic hysteresis opening. This work emphasizes the role of spin dimensionality in two-dimensional magnets, and the potential of orthogonal and large-twist-angle van der Waals magnets.
An all-electric switch of the persistent electron swirl in a quantum anomalous Hall state enables researchers to flip the electronic chirality of this quantum state.
By forming a heterostructure interface, and by judicious choice of crystallographic orientation, piezoelectrics are developed that show expansion or contraction along all axes on application of an electric field.
Post-infusion poly(ethylene glycol) surface modification of chimeric antigen receptor (CAR)-engineered T cells and a subcutaneous chemokine-adsorbing hydrogel address cytokine release syndrome and the neurotoxicity side effects of CAR T cell therapy against tumours.
Hybridized electron or hole states across semiconducting van der Waals monolayers in heterotrilayer systems enable the emergence of quadrupolar excitons. Quadrupolar excitons, unlike their dipolar counterparts, have a tunable static dipole moment that responds nonlinearly under an applied electric field.
Heat treatment can transform some moiré superlattices into fully commensurate bilayers, where atoms in opposite layers align perfectly with each other. This structural transformation gives rise to markedly brighter interlayer excitons.
By inserting an epitaxial in-plane buffer layer of Bi5FeTi3O15, an artificial flux closure architecture enables ferroelectric polarization from a single unit cell of BaTiO3 or BiFeO3.
Three protein interaction surfaces are computationally designed into one protein subunit to enable their accurate assembly into three-dimensional crystals with user-specified lattice architectures.
