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Physicochemical heterogeneity poses a significant constraint in photocatalyst advancement. Here the authors introduce a multimodal optical microscopy platform to assess activity and defects concurrently in photoelectrocatalysts, revealing that disorder can unexpectedly enhance local photoelectrocatalytic performance in certain instances.
Solving ill-posed inverse problems require regularisation based on prior knowledge, which is formulated mathematically or learned from data. Here, the authors demonstrated the concept of semantic regularisation based on large language model to circumvent the current limitation.
Low-dimensional ferroelectric systems are predicted to have topologically nontrivial polar structures, such as vortices or skyrmions. Here authors present atomic-scale 3D topological polar structures in BaTiO3 nanoparticles using atomic electron tomography and revealed their size-dependent transitions.
A non-common-path interferometric scheme enables holographic detection of single proteins of mass 90 kDa and estimation of single-protein polarizability.
A distance-based mapping strategy using single-molecule fluorescence resonance energy transfer via DNA eXchange (FRET X) enables full-length fingerprinting of intact protein sequences.
The ability to extract information from diffuse background signals in ultrafast electron diffraction experiments now enables a direct view of the formation of topological defects during a light-induced phase transition.
The antiferromagnetic material haematite, named for its blood-red colour, hosts swirling spin vortices termed merons. The rotation sense of such antiferromagnetic vortices has now been imaged in real space.
Photoacoustic tomography can image fast haemodynamics by either exploiting the spatial heterogeneity of blood or by leveraging a single laser pulse and a single element functioning as thousands of virtual detectors.