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Charged domain walls can be created and manipulated at the nanoscale so that their polarization charge can be used to dope ferroelectric thin films at selected locations in a reversible way.
The polymeric shell surrounding gold nanoparticles may degrade when injected into rats, suggesting that even highly stable colloidal nanoparticles are susceptible to physicochemical changes in vivo.
Uniaxial strain as small as 0.3% in FeGe thin films can induce large anisotropic deformation of magnetic skyrmions and their crystal lattice hosted in the material.
An array of nanoscale polar domains with varying conductance and that are electrically insulated by domain walls can be induced by the interplay of strain and defects in oxide thin films.
Single-molecule diodes with rectification ratios over 200 at low voltages can be obtained with symmetric molecules by creating an environmental asymmetry using electric double-layers.
An indium arsenide quantum well with a ferromagnetic spin injector and a spin Hall detector is used to electrically measure the conductance oscillations due to spin precession in a transistor channel.
The high material quality achieved in black phosphorus thin films combined with the choice of an appropriate substrate enables the electrostatic formation of a high-mobility two-dimensional electron gas that exhibits quantum oscillations in its magnetoresistance.
Circularly polarized emission with no applied magnetic field can be obeserved in a two-dimensional semiconductor due to the interaction of excitons with a two-dimensional electron gas.
Topological superconductivity, a state that can support the formation of Majorana zero modes, can be induced in the edge state of a InAs/GaSb nanowire.
DNA-based T-motifs that can self-assemble into ring structures can be designed to self-replicate through toehold-mediated strand displacement reactions.
Four mechanical waveforms at the nanoscale have been electrically generated by Fourier synthesis of a monochromatic surface acoustic wave and three of its harmonics.
High-quality superconducting tunnel junctions operating above liquid nitrogen temperatures can be fabricated with a focused beam of helium ions that directly writes tunnel barriers in a cuprate superconductor.
Polarization-resolved photoluminescence measurements reveal the anisotropic character of excitons in monolayer black phosphorus, which are found to have a large binding energy.
An asymmetric plasmonic nanoantenna featuring a double resonant mode that overlaps with both the excitation fundamental wavelength and the second harmonic emission displays a remarkably large nonlinear coefficient for second harmonic generation.