In situ TEM studies of relaxation dynamics and crystal nucleation in thin film nanoglasses

Tuesday publication update! In this recent publication, the #FusionAX system was used to directly observe crystallization processes at glass-glass interfaces in sputtered CuZr thin film nanoglasses. The authors utilizing in situ heating experiments combined with other interesting techniques such as nanobeam diffraction patterns (NBDP) and electron correlation microscopy (ECM). This powerful combination allowed them to … Read More

Unraveling and leveraging in situ surface amorphization for enhanced hydrogen evolution reaction in alkaline media

An additional Friday publication update! Are you interested in doing hydrogen evolution reactions using in situ liquid cell electron microscopy? In this newest publication in Nature Communications the authors looked at the surface amorphization in alkaline media! In this latest work the authors infused a trace of Ru (0.81 wt.%) into NiPS3 nanosheets, and witnessed … Read More

In situ atomic-scale observation of oxygen-driven core-shell formation in Pt3Co nanoparticles

Tuesday publication update! Oxygen reduction reactions are of particular interest in research to fuel cell cathodes. In this paper, the catalytic performance of platinum alloy nanoparticles is investigated using the #AtmosphereAX system at atomic resultion in an electron microscope. Initial segregation of a thin platinum, rather than cobalt oxide, surface layer is observed while the … Read More

Attachment of iron oxide nanoparticles to carbon nanofibers studies by in situ liquid phase transmission electron microscopy

In this publication from the #UniversityUtrecht and #UniversitéeParisCité the authors have looked at the fabrication of Fischer-Tropsch catalysts using the #PoseidonAX system. Iron oxide nanoparticles were flown through the tubings of the liquid cell holder and then subsequently attached to carbon nanofibers. The differences between oxidized and pristine carbon nanofibers was investigated, and it was … Read More

Unraveling anisotropic and pulsating etching of ZnO nanorods in hydrochloric acid via correlative electron microscopy

An additional Friday publication update! Controlled etching behavior is extremely important to be able to create crystal solids with defined structures and functions. In this newest publication, in situ liquid cell transmission electron microscopy was used to oberserve the dynamic behavior during the pencil shape evolution of a single crystal ZnO nanorod in aqueous hydrochloric … Read More

Formation mechanism of high-index faceted Pt-Bi alloy nanoparticles by evaporation induced growth from metal salts

Tuesday publication update! Are you interested in doing catalysis in which you can actually see your reaction happening on the nanoscale? Researchers at the Northwestern University have recently published in Nature Communications using the Atmosphere AX system, including our machine vision software AXON. They looked at the coalescence and growth of these high-index-facet Pt-Bi nanoparticles … Read More

Atomistic Insights into the Nucleation and Growth of Platinum on Palladium Nanocrystals

Additional Friday publication update! In this Nature Communications publication, in situ liquid-cell transmission electron microscopy, using the #PoseidonAX, was used to find the atomistic details during the nucleation and growth of Pd@Pt nanocubes. Various parameters were investigated, such as colloidal capping agents and the precursor concentration. Obtaining atomistic real-time information on the growth of colloids … Read More

Metastable Hexagonal Close-Packed Palladium Hydride in Liquid Cell Transmission Electron Microscopy

New Tuesday publication! In this publication featured in Nature, our #PoseidonSelect was used to look at crystals grown from high-energy precursors. Most of the time, these adopt metastable structures depending on the initial conditions, such as temperature, pressure or crystal size. With the unique environment created in the liquid cell, the formation of a hcp … Read More

Preparation of High-Quality Sample for MEMS-Based In-Situ (S)TEM Experiments

Tuesday publication update! Congratulations to @Vesna from the university of Stuttgart on publishing this nice work showing a new methodology for the preparation of focussed ion beam (FIB) lamella for in-situ microscopy. Additionally, they investigated what the influence of the beam was on the electrical and electro-thermal measurements. Furthermore, thinning of the whole lamella or … Read More