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Self-sustaining electromechanical oscillators can be built from graphene membranes that vibrate at radiofrequencies and can be tuned by a gate voltage.
This Review covers the recent developments in the observation and modelling of magnetic skyrmions, including their topological properties, current-induced dynamics and potential in future information storage devices.
Images of individual carbon nanotubes with their respective optical spectra for chirality characterization are acquired directly on devices and growth substrates using a reflective polarized light microscopy set-up.
The strength of the magnetic exchange interaction at the buried interface between a magnetic film and a substrate can be measured using spin-polarized electrons scattered from the top surface of the film.
Single magnetic skyrmions — topological whirls in the magnetization of certain ferromagnets — can be created and manipulated in nanostructures using electrical currents.
This Review discusses the state-of-the-art in optical trapping at the nanoscale, with an emphasis on some of the most promising advances such as controlled manipulation and assembly of individual and multiple nanostructures, force measurement with femtonewton resolution, and biosensors.
Hot electrons can be efficiently injected into a semiconductor using a metallic tip that focuses surface plasmons, and can be used to carry out nanoscale chemical mapping.
By using lanthanide-doped upconversion nanoparticles, fibre-optic sensors can display sensitivities several orders of magnitude greater than those of existing fluorescent techniques.
DNA molecules can be programmed to execute any dynamic process of chemical kinetics and can implement an algorithm for achieving consensus between multiple agents.
A theoretical study proposes the use of molecular magnets in a type of transistor in which the flow of collective spin excitations transports and processes information.
This Review examines recent advances in the use of micro- and nanoscale devices for studying epigenetic modifications, including covalent DNA modifications, differences in histone proteins and higher-order chromatin structures.
