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Meeting MS&T23: Materials Science & Technology
Symposium Emergent Materials Under Extremes and Decisive In Situ Characterizations
Presentation Title Modulation of Structure-function Motifs in Optoelectronic Metal Halides Using High Pressure
Author(s) Xujie Lu
On-Site Speaker (Planned) Xujie Lu
Abstract Scope Perovskite-related metal halides exhibit unique structures and tunable optoelectronic properties that have enabled a wide range of potential applications including solar cells, light-emitting diodes, and radiation detectors. Two main focuses include understating the structure-property relationships and exploring advanced new materials with designable functionalities. In this talk, I will present our recent efforts in investigating metal halides using high pressure, focusing on the modulation of their structure-function motifs. Using in situ synchrotron-based and in-laboratory diagnostic tools, we investigated the evolution of the lattice, electronic, optical, and optoelectronic properties of various metal halides with different dimensionalities and revealed their structure-property relationships. Our findings deepen the understanding of fundamental mechanisms and obtain some new optoelectronic metal halides with emergent or enhanced properties.


Capturing Laser Induced Dynamics of Materials via Single-Shot Ultrafast Transmission Electron Microscopy
HP-XAFS and Its Application to Topological Insulator Bi2Te3
In-situ Observations of the High Temperature Melting Behaviour of Ce-brannerite
In-situ Raman Studies on Synthesis and Oxidation of UC1-xNx
In-situ/Operando Characterization of Emerging Materials with MeV Ultrafast Electron Diffraction at SLAC National Accelerator Laboratory
In Situ Characterization and Modeling of Spent UO2 Fuel under Ion Irradiation
Irradiation Induced Structural and Thermal Conductivity Changes in Nuclear Fuels
Magnetic Scattering and Spectroscopy at High Pressures at APS and APS-U
Modulation of Structure-function Motifs in Optoelectronic Metal Halides Using High Pressure
Neutron Scattering for Studying Materials Under Extreme Conditions
Perspectives of IXS and NRS Studies in the APSU Era
Polar Magnets in High-Pressure Exotic Perovskites
Pressure-induced Non-monotonic Crossover of Steady Relaxation Dynamics in a Metallic Glass
Pressure Driving Dual-layer Superconductivity in 4Hb-TaSe2 TMD
Structural Manipulation of Ceramic Materials via Extreme Conditions
Will High-entropy Carbides Be Enabling Materials for Extreme Environments?

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