Atomic-Scale Tracking Topological Phase Transition Dynamics of Polar Vortex-Antivortex Pairs

Tuesday publication update! Non-trivial topological structures, such as vortex-antivortex (V-AV) pairs, have gained attention in the field of condensed matter physics. Despite their significance, the detailed dynamics of V- AV phase transitions—encompassing self-annihilation, motion, and dissociation—have remained elusive in real space. This newest article in Advanced Materials looks into these materials using the #FusionAX system! … Read More

Atom-by-atom imaging of moiré transformations in 2D transition metal dichalcogenides

Tuesday publication update! With this newest published research atomic-scale mechanisms were observed on 2D materials using our #FusionAX system! The authors imaged, atom-by-atom, the thermally induced structural evolution of twisted bilayer transition metal dichalcogenides using in situ transmission electron microscopy. The authors used short 0.5-s heat pulses from 100° to 1000°C and took STEM images … Read More

Stress-induced ordering evolution of 1D segmented heteronanostructures and their chemical post-transformations

Tuesday publication update! This latest research, published in #NatureCommunications is looking at the transformation of one-dimensional (1D) materials in liquid using our #PoseidonAx system! Developping a versatile, and controlled synthetic method for these materials has long been a challenge, and can now be observed in real time and at the nanoscale. The structural evolution of … Read More

New Flash Talk Alert From Katayun Barmak

Episode 19 of our #FlashTalk series is now available on YouTube! In this episode, Dr. Katayun Barmak from Columbia University shares her recently published work on automation of grain boundary detection using machine learning. Here, you can learn about the U-Net convolutional neural network that was trained on bright field datasets of polycrystalline materials. Bright field … Read More

A Route to High Thermoelectric Performance: Solution-Based Control of Microstructure and Composition in Ag2Se

Tuesday publication post! In this newest research, authors look at thermoelectric materials which can convert heat into electricity. Using the #FusionAX system, they were able to follow grain boundary changes at elevated temperatures! Taditional high-temperature synthetic methods are normally hindered in synthetic methods, the ability to surpass crystal structure limitations and engineer defects. In this … Read More

Advances in Experimental Studies of Grain Growth in Thin Films

Tuesday publication post! Do you want to know more about metallic thin films and growth dynamics? In this latest article, @Katayun Barmak, @Matthew Patrick and @Jeffrey Rickman review the development of grain growth dynamics in nanocrystalline metallic films using the #FusionAX system including #AXON! Grain growth is a phenomenon pivotal in material science and has … Read More

Visualization of the structural transformation of NiO/YSZ/BZY nanocomposite particles using in situ gas environmental transmission electron microscopy

Additional Friday Publication Post! This latest research using the #AtmosphereAX System visualizes the structural transformation of NiO/YSZ/BZY nanocomposite particles during the hydrogen reduction reaction with in situ gas electron microscopy! This study shows the behavior of nanocomposite particles, used as cermet anodes, at the atomic level, at 1 atmosphere H2, and at high temperature. At … Read More

Metal Organic Vapor Phase Epitaxy in a Transmission Electron Microscope

Friday publication update! This recent publication from the group of @Kerstin Volz, written by @Maximilian Widemann, @David Krug, @Oliver Massmeyer, @Felix Gruber and @Andreas Beyer published in Small Methods, uses the #AtmosphereAX system to grow and observe GaP nanowires in real time! Using tertiary butyl phosphine (TBP) and trimethyl gallium (TMGa), the authors were able … Read More

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

Asymmetric nanoparticle oxidation observed in-situ by the evolution of diffraction contrast

Tuesday publication update! Are you interested in structural compositional changes during dynamic behaviors? The following article has researched just this! In this latest work in-situ TEM experiments using the #FusionAX system have uncovered the oxidation from wüstite-magnetite (FeO@Fe3O4) core-shell nanoparticles to single crystalline magnetite, Fe3O4 nanoparticles. Using the ‘Ashby-Brown contrast,’ the structural changes of these … Read More