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Second-order optical nonlinearities can be controlled, up to room temperature, by electrostatic gating in a field-effect transistor made from atomically thin crystals of WSe2.
Memristors with gate-tunable charge transport characteristics are fabricated from monolayer MoS2 by exploiting specific grain boundary configurations with respect to the electrodes.
On exposure to low-frequency ultrasound, porphyrin microbubbles form nanoparticles that possess the same optical and therapeutic properties as the original microbubble, which can be used simultaneously for imaging and drug delivery.
A technique based on templated electrochemical synthesis can be used to prepare coaxial nanowires with sub-10 nm resolution in both axial and radial dimensions.
Inorganic nanowires composed of gold(I) cyanide can be grown directly on pristine graphene, aligning themselves with the zigzag lattice directions of the graphene, and then used as templates to create graphene nanoribbons with zigzag-edged directions.
Racetrack memories made from synthetic antiferromagnetic structures with almost zero net magnetization allow for fast current-driven motion of domain walls.
Using a metasurface comprising an array of nanorods with different orientations and a backreflector, a hologram image can be obtained in the visible and near-infrared with limited loss of light intensity.
Near-field radiative heat transfer between two surfaces is enhanced when the cold surface is coated with a thin polar dielectric film and the gap between the two surfaces is comparable to or smaller than the film thickness.
A thermal diode with two orders of magnitude higher on/off ratio than that previously achieved can be obtained by combining normal metals and superconductors.
An atomic force microscope can be used to image and three-dimensionally reconstruct chemical groups inside a protein complex with the help of single-stranded DNA molecules that act as imaging labels.
Asymmetric dye molecules encapsulated inside single-walled carbon nanotubes align in a head-to-tail fashion to obtain a large cooperative nonlinear optical response.
Microtubules gliding across a surface coated with kinesin-1 motor proteins undergo wear; a process that energetic considerations suggest involves a molecule-by-molecule removal of tubulin proteins.
Anderson localization of light in AlGaN–GaN nanowires is exploited to fabricate ultraviolet laser arrays with a lasing threshold of only a few tens of amperes per centimetre squared at cryogenic temperature.