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Variations in the size of the nanocrystals and in the width of their epitaxial connections are shown to significantly affect carrier localization in superlattices formed by the oriented attachment of PbSe nanocrystals.
Biomedical applications for graphene are attracting interest from academics and industrial partners aiming to develop next-generation medical devices and therapies.
Long commercialization times, high capital costs and sustained uncertainty deter investment in innovation for advanced materials. With appropriate strategies, technology and market uncertainties can be reduced, and the commercialization of advanced materials accelerated.
The observation of magnetic skyrmions at room temperature that can be driven by short current pulses at speeds exceeding 100 m s−1 raises great expectations for skyrmion-based racetrack memories.
Researchers have experimentally demonstrated a new type of pathway for electromagnetic waves, which allows an easy reconfiguration into various shapes while significantly suppressing backscattering.
The presence of ordered domains in intrinsically disordered pyrochlores and spinels calls for a reassessment of our understanding of their structure and disordering mechanism.
The controllable and reversible growth of ferroelastic domains in a ferroelectric thin film with composition and strain gradients may enable new devices.
Quantification of structural disorder and electron localization in superlattices of colloidal nanocrystals shows that minimizing variations in size and epitaxial connections is key to enhance the electronic properties of these materials.
Generation of stable skyrmion lattices and displacement of trains of individual skyrmions along a magnetic racetrack by short current pulses are demonstrated at room temperature in ultrathin metallic ferromagnets.
Disordering in complex oxides is important for their radiation resistance. It is now shown that pyrochlores disorder by the formation of a weberite-like phase, with similar behaviour observed in spinels, adding complexity to their disordering.
Experimental findings show that the resonant phonon scattering mechanism proposed by Adamenko and Fuks in 1971, comes into play regarding thermal transport at interfaces, when the surface roughness is comparable to phonon wavelengths.
Here the authors show that nanocrystals of hafnium oxide can be applied as stable catalytic materials using a dynamic ligand-exchange reaction mechanism.
Antiferromagnet/ferromagnet bilayers are shown to exhibit large enough spin–orbit torque to switch the magnetization of the ferromagnetic layer without the application of external magnetic fields.
Topologically protected states at the interface of magnetic domain walls in a parallel plate waveguide with adjustable rods, are shown to be directed along different paths, as the waveguide geometry changes.
The ability to manipulate domains in ferroelectrics offers new device opportunities. Compositional and strain gradients in a heterostructure have now been shown to enable the control of ferroelastic domain shape and mobility.
Variations in the size of the nanocrystals and in the width of their epitaxial connections are shown to significantly affect carrier localization in superlattices formed by the oriented attachment of PbSe nanocrystals.
Here the authors demonstrate how the reaction selectivity of catalytic platinum nanowires can be controlled through surface modification with organic ligands.
Characterizing intercalation-induced changes in energy storage electrodes is challenging. A spectroscopic method based on the quartz-crystal microbalance can now simultaneously track the interfacial reliability and mechanical stability of battery electrodes.
