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Meeting Materials Science & Technology 2020
Symposium Advances in Synthesis and Integration Methods for Enhanced Properties, and Applications in Emerging Nanomaterials
Presentation Title Critical Elastic Interactions that Govern Effective Mechanical Behavior of Defective hBN and Graphene
Author(s) Zubaer Hossain
On-Site Speaker (Planned) Zubaer Hossain
Abstract Scope Formation of vacancy defects is unavoidable during the fabrication of 2D materials such as graphene, hBN, WS2, or MoS2. It is commonly understood that defects substantially degrade the mechanical properties of materials, particularly their strength and toughness by increasing the intensity of the elastic field surrounding the defects. Nonetheless, the spatial coverage of the elastic fields within which enhanced activity can be expected is a subject matter of active research. In this talk, we will present the existence of a critical separation distance beyond which the elastic interactions between a pair of monovacancy defects in graphene or hBN become inconsequential. Both the strength and toughness of the lattice containing a pair of `interacting monovacancies' are either higher or smaller than that of the lattice containing a pair of `non-interacting monovacancies.' Results also show the existence of a critical orientation-angle that significantly affects the strength and toughness of the 2D lattice.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Critical Elastic Interactions that Govern Effective Mechanical Behavior of Defective hBN and Graphene
Development of High-performance Ion Selective Membranes for Redox Flow Batteries
Efficient Neuromorphic Computing Enabled by Spin-Transfer Torque: Devices, Circuits and Systems
Electrochemical 2D Synapses for Neuromorphic Computing Applications
Ideal Graphene Schottky Junctions: The Building Block for Reconfigurable Logic and 3D Monolithic Integration
Impact of Processing Parameters on Metal Oxide Resistive Random Access Memory (RRAM) Performance and Implications for non-von Neumann Computing Approaches
Influence of Surface Charge on the Photochemical Reactivity of SrTiO3, BaTiO3, and TiO2/BaTiO3 Heterostructured Catalysts
Integration of Synthesis and Computation to Investigate Two-dimensional Transition Metal Chalcogenides: Strain, Defect, and Moiré Engineering
Introduction to Research Capabilities at Center for Functional Nanomaterials, a DOE National User Facility
Investigating the Micro-structure and Transport Mechanisms in Graphene Copper Composites
Iontronic Devices for Energy Efficient Electronics and Neuromorphic Computing
Laser Processing of Soft Magnetic Amorphous and Nanocrystalline Alloys
Low-reflectivity Carbon Nanotube Coatings for Space Applications
Mixed-Dimensional Hetero-structures for Advanced Logic and Memory Devices
Multi-functional Surfaces
Nanoscale Oxide Layers for Halide Perovskite Solar Cells
Polymer Additives for Stable Hybrid Perovskite Solar Cells
Van der Waals and Remote Epitaxy for Quantum Materials Research

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