Heating and Biasing Electron Microscopy Archives - Page 3 of 4

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

December 12, 2023

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

New Installation at the University of York!

December 4, 2023

By Nynke Krans

New Installation alert!️So thrilled to share that a new Fusion system with AXON Synchronicity was installed at the University of York’s JEOL Nanocentre earlier this fall! Special thank you to our very own @Evan for leading this effort! Thank you Dr. Lari for having us on site! Looking forward to witnessing great scientific discoveries in … Read More

Structural anisotropy-driven atomic mechanisms of phase transformations in the Pt-Sn system

October 6, 2023

By Nynke Krans

Have you ever wanted to look at atomic resolution images of phase transformations in the TEM? This paper shows in situ atomic-resolution scanning transmission electron microscopy using our #FusionAX system, in a Pt−Sn system. Heating the sample up showed showing the initial stages of the PtSn4 to PtSn2 phase transitions. In the video you can … Read More

In situ transmission electron microscopy as a toolbox for the emerging science of nanometallurgy

August 8, 2023

By Nynke Krans

Have you ever thought on looking at sublimation reactions on the nanoscale, in real time? These authors from the university of Leoben looked at nanoalloying Al–Cu nanoparticles in situ within a transmission electron microscope using the #FusionAX system. The results showed that Au nanoparticles and Cu nanowires can undergo melting and alloying on an Al … Read More

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

March 7, 2023

By Nynke Krans

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

A Single-Pt-Atom-on-Ru-Nanoparticle Electrocatalyst for CO-resilient Methanol Oxidation

January 31, 2023

By Nynke Krans

Sit down and enjoy reading a new publication on a Tuesday! Single Pt atom catalysts are key targets because a high exposure of Pt substantially enhances electrocatalytic activity. In this paper the authors of #UniversityofNewSouthWales used the #ProtochipsAduro holder to intiate a heating experiment on single Pt atom catalysts. Using an environmental transmission electron microscope … Read More

Phase-Controllable Large-Area Two-Dimonsional In2Se3 and Ferroelectric Heterophase Junction

January 24, 2023

By Nynke Krans

Another Tuesday Publication update! Memory transistors based on two-dimensional (2D) ferroelectric semiconductors are intriguing for next-generation in-memory computing. Using the #FusionSelect, a heating study was performed on some beautiful 2D In2Se3 films. The phase-controllable synthesis strategies of large-area 2D In2Se3 films from this study can open numerous opportunities in developing novel structures and concepts for … Read More

Grain Boundary Segregation Induced Precipitation in a Non Equiatomic Nanocrystalline CoCuFeMnNi Compotitionally Complex Alloy

December 16, 2022

By Nynke Krans

Another Friday publication update! In this study the goal was to establish a systematic understanding of the phase evolution in a face centered cubic non equiatomic nanocrystalline compositionally complex alloys. The #FusionSelect was used to heat the sample, while forming automated crystal orientation maps at the same time. This gave detailed information on the decomposition … Read More

Atomically dispersed iron sites with a nitrogen-carbon coating as highly active and durable oxygen reduction catalysts for fuel cells

November 22, 2022

By Nynke Krans

Tuesday publication update! Catalysts with atomically dispersed, iron sites have exhibited encouraging activity for the oxygen reduction reaction in challenging acidic electrolyte. This paper demonstrates an improvement in stability in these kind of catalysts, which is a first step in overcoming the cost barriers of hydrogen fuel cells! If you are interested in these fuel … Read More

Atomically Sharp, Closed Bilayer Phosphorene Edges by Self-Passivation

November 4, 2022

By Nynke Krans

New publication update on a Friday to start your weekend ! In this new publication, published in #ACSNano the formation of two-dimensional crystals’ edge structures was investigated. These edges must be carefully examined because they often display complex, unexpected features at the atomic scale, such as reconstruction, functionalization, and uncontrolled contamination. Using the #FusionSelect, the … Read More

Category: Heating and Biasing Electron Microscopy