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Meeting MS&T23: Materials Science & Technology
Symposium Controlled Synthesis, Processing, and Applications of Structural and Functional Nanomaterials
Presentation Title In Situ Solid-Phase Crystallization of Layered Complex Oxides from Amorphous Precursors in the Transmission Electron Microscope
Author(s) Jenna Wardini, George F. Harrington, Dennis Kemp, Roger A. De Souza, William Bowman
On-Site Speaker (Planned) William Bowman
Abstract Scope Complex metal oxides' intricate structure-function relations lead to a wide range of tunable functional properties. Introducing disorder through amorphization provides additional opportunities to tune properties, particularly in the area of electrochemical energy storage and conversion [1]. Consequently, amorphous complex oxides have garnered growing interest with two primary goals: to harness their unique functional properties or to employ them as a chemically-flexible, far-from-equilibrium, thin-film processing platform that offers novel synthesis opportunities [2]. Relevant to these aims, we examine the processing-structure-function relationship for amorphous complex oxides by in situ solid-phase crystallization in the (scanning) transmission electron microscope. Atomic scale aspects of the processing are detailed, such as the evolution of structure and chemistry with temperature, and the corresponding effect on conductivity. Based on these insights, approaches to direct amorphous complex oxide processing towards desirable synthesis products are discussed. References [1] Yan et al. Small (2019) [2] Prakash et al. Small (2022)


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Design of Ordering in Double Transition Metal Mo2Nb2C3Tx MXenes
Designing Nanostructures in Complex Concentrated and Entropy Stabilized Oxide Thin Films
Developments of Perovskite-Structured Transparent Conducting Electrode for Perovskite Solar Cells: La-Doped SrSnO3 Bulk and Thin Films
Effect of 2D MXenes on the Properties of ZrC-Ti3C2 Composites
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Graphene-metal Composites for Enhanced Mechanical and Electrical Properties
Growth and Characterization of Novel Single Crystals as Potential Thermoelectric Materials
Hydroxide Derived Nanomaterials and Their Properties
In Situ Solid-Phase Crystallization of Layered Complex Oxides from Amorphous Precursors in the Transmission Electron Microscope
Influence of Powder Annealing on Spontaneous Polarization and Recombination Centers in BaTiO3 Nanocrystals
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L-3: SiC Fiber-reinforced CMCs: Towards High-temperature Structural Materials
L-4: Synthesis of High-Temperature Ceramics Based on Hafnium Carbide from a Precursor
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Mechanical and Thermal Properties of Entropy Stabilized Oxides
Mechanical Characterization of Thin Films via Constant Strain Rate Membrane Deflection Experiments
Metal Thiophosphates Under Pressure: Evolution of Magnetic and Ferroelectric Properties
Micro- and Nanopatterning and Texturing of 3-dimensional Surfaces and Structures
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Tuning Nano/Microstructure and Properties by Densification of Metastable Powders
Ultra-Resolution 3-Dimensional Nanopatterning of Functional Materials
Unveiling Nanoscale Strain in Two-dimensional Semiconductors via Near-field Optical Microscopy

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