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Category: Materials Science

Engineering and direct imaging of nanocube self-assembly pathways

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Tuesday publication post! In this newest published work in #NatureChemicalEngineering, the authors looked at nanoparticle self-assembly using the #PoseidonAX system! Achieving precise control over these pathways that dictate final structures—especially metastable and nonequilibrium states—is a formidable challenge and requires real time and nanoscale research. Using Poseidon AX, the authors captured real-time imaging of gold nanocubes … Read More

Insights into the Nucleation and Growth of BiOCl Nanoparticles by in situ X-ray Pair Distribution Function Analysis and In Situ Liquid Cell TEM

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Tuesday publication post! In this latest work from Matthew N. Gordon, Laura S. Junkers, Jack S. Googasian, Jette K. Mathiesen, Xun Zhan, David Gene Morgan, Kirsten M. Ø. Jensen and Sara E. Skrabalak, the authors used the #PoseidonAX system to look at the formation of bismuth oxyhalides in real time using the electron microscope! The … Read More

Spontaneous Liquefaction of Solid Metal–Liquid Metal Interfaces in Colloidal Binary Alloys

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Tuesday publication update! In this newest publication, authors used the #FusionAX to look at the crystallization from molten alloys in the field of metallurgy! In this work, they explored the solid intermetallic particles surrounded by the liquid metal from which they precipitated. The outer layers of solidified intermetallics fluctuate between crystalline and liquid states, even … Read More

In Situ Heating High-Resolution TEM Observation of Structural Recovery in Metamict Titanite

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Tuesday publication update! Managing high-level waste (HLW) from nuclear plants is a formidable challenge, where radiation resistance is crucial, but so is the thermal recovery of radiation damage. In this newest publication, an atomic-scale understanding of how materials respond to thermal annealing is shown. Using in situ heating (#FusionAX) high-resolution transmission electron microscopy (HRTEM) the … Read More

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

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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

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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

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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

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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. https://youtu.be/AGOxVZ7ToRs?si=H4gs9Jr8_yqvyuPv 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

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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

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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

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