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Meeting Materials Science & Technology 2019
Symposium Emergent Materials under Extremes and Decisive In-situ Characterizations
Presentation Title Exploring Radiation Resistance of Metal/Carbon Interface by In-situ Heavy Ion Irradiated Study
Author(s) Yue Liu, Jin Li, Pengzheng Tang, Tongxiang Fan
On-Site Speaker (Planned) Yue Liu
Abstract Scope Energetic particle radiations induce severe microstructural damages, causing the failure of materials. Introducing defect sinks, such as interfaces and grain boundaries into these materials is effective to mitigate radiation damage. Metal-carbon interfaces have attracted attention recently and the metal-carbon nanotube (CNT) nanocomposites with prolific metal/carbon interfaces demonstrate good structural stability under radiation environments, as well as a reduced level of radiation damage. Instead of 1D CNT, we explore metal-carbon nanocomposites with 2D interfaces, and compare it to conventional 2D grain boundaries. In-situ radiation in TEM is an ideal way to compare the efficiency of different interfaces in the alleviation of radiation-induced defects. Experimental results show that the metal/carbon interface has shown a larger effective zone to capture irradiated defects compared to the grain boundary. Atomistic modeling suggests that this type of interfaces can be regarded as “weak” interface, which may generate a continuous attractive force on the irradiation induced defects.
Proceedings Inclusion? Definite: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Emerging Materials from Pressure Induced Electronic Transition
Exploring Materials Synthesis, Properties, and Metastability through Rapid (De)Compression
Exploring Radiation Resistance of Metal/Carbon Interface by In-situ Heavy Ion Irradiated Study
In-situ Aerodynamic Levitation Pair Distribution Function Studies: Alkali Silicate Crystallization and Sulfate-halide Liquids
In-situ and Time Resolved Characterization of Materials Using Liquid MetalJet X-ray Source
In-situ SEM Characterization of Phase Transformation in Metals and Alloys at High Temperatures
In-situ Study of Multi-scale Deformation in Two-photon Polymerized Microlattices
Interface Design for Radiation Resistant Metallic Nanocomposites
Materials Structure Evolution in Laser Additive Manufacturing Revealed by Synchrotron X-ray Imaging and Diffraction
Non-destructive Multi-property Determination under Extreme Conditions with Transient Grating Spectroscopy
Novel Superhard sp3 Carbon Allotrope from Cold-Compressed C70 Peapods
Operando X-ray PDF Study of Na and K Ion Intercalation in MnO2 Nanosheet Electrodes
Pressure-induced Dramatic Changes in Optoelectronic Properties of 2D Halide Perovskites
Pressure-induced Solidification of Water in Dynamic-DAC
Self-organization of Gas Bubbles in Materials under Irradiation
Structural Behavior and Phase Relations of β-Eucryptite at High P-T Conditions
Structural Stability and Optical Behaviors of Lead Halide Perovskite Nanocrystals at Extremes
Structural Transformations Induced at Extreme Conditions: Coupling High-pressure Cells with Energetic Ion Beams
Superconductivity in Amorphous Sb2Se3
Switchable In-plane Ferroelectricity in Quasi-2D Oxide

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