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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Powder Materials for Energy Applications
Presentation Title Bulk Supercrystalline Nanocomposites with Enhanced Mechanical Properties for Multifunctional Applications
Author(s) Diletta Giuntini, Elisa Torresani, Kyle Chan, Lucien Saviot, Büsra Bor, Berta Domènech, Malte Blankenburg, Meir Shachar, Martin Müller, Eugene Olevsky, Javier Garay, Gerold Schneider
On-Site Speaker (Planned) Diletta Giuntini
Abstract Scope Supercrystalline nanocomposites are a new category of particulate-based materials. They consist of inorganic nanoparticles functionalized with organic ligands and organized into periodic structures. Such nanoarchitectures are fostered for a wide range of applications, spanning through optoelectronics, plasmonics, batteries and solar cells. However, supercrystalline nanocomposites are typically produced in 2D or 3D micro-sized domains. This work presents a new processing routine, capable of yielding bulk macroscale supercrystalline materials. Such a routine is adaptable to a multiplicity of materials systems, and, together with upscaling, leads to a greatly enhanced combination of mechanical properties (modulus, hardness, strength and fracture toughness are increased 1-2 orders of magnitude). The mechanisms underlying such properties boost are identified and correlated to structure and processing parameters. Additionally, by applying this processing routine to an iron oxide-based system, the option of tuning the magnetic behavior of the nanocomposites is integrated, up to the development of a bulk superparamagnetic material.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


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