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Transmission electron microscopy is a general type of electron microscopy that generates an image of the internal structure of a thin sample using a beam of electrons to achieve much higher spatial resolution than light microscopy.
Crystallising a bulk metallic glass usually results in separate phases. Here, the authors use metallic glass nanorods to show that as the sample size approaches the nucleation scale lengths, the crystallization behavior is dictated by the lack of nuclei and nanorods crystallise into a single phase.
The common lithium-ion battery is re-charged by intercalating its graphite anode, but intercalation remains not well understood. Electron microscope video of intercalating graphite microcrystals reveals that the charge transfer occurs in current pulses that do not match theoretical expectations.
In situ transmission electron microscopy combined with theory modelling reveals that surface segregation in CuAu solid solution generates misfit dislocations, providing atomistic mechanisms of dislocation nucleation and dynamics at heterointerfaces.
The control over the crystallographic orientation at functional oxide interfaces is crucial to the performance of oxide-based electronics. Here, Zhou et al. provide a detailed insight into the thermodynamic and kinetic process of nucleation-mediated crystal growth at the ZnO and MgO interface.
By combining an electron-counting camera with low-energy transmission electron microscopy, it is possible to directly image the surface structure of delicate metal–organic framework crystals and their coherent interfaces.