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High-Throughput Study of Antisolvents on the Stability of Multicomponent Metal Halide Perovskites through Robotics-Based Synthesis and Machine Learning Approaches
Kate Higgins, Maxim Ziatdinov, Sergei V. Kalinin +1
Antisolvent crystallization methods are frequently used to fabricate high-quality perovskite thin films, to produce sizable single crystals, and to synthesize nanoparticles at room…
Super-resolution and signal separation in contact Kelvin probe force microscopy of electrochemically active ferroelectric materials
Maxim Ziatdinov, Dohyung Kim, Sabine Neumayer +7
Imaging mechanisms in contact Kelvin Probe Force Microscopy (cKPFM) are explored via information theory-based methods. Gaussian Processes are used to achieve super-resolution in th…
Direct matter disassembly via electron beam control: Electron-beam-mediated catalytic etching of graphene by nanoparticles
Ondrej Dyck, David Lingerfelt, Songkil Kim +2
We report electron-beam activated motion of a catalytic nanoparticle along a graphene step edge and associated etching of the edge. This approach enables beam-controlled etching of…
Piezoresponse phase as variable in electromechanical characterization
Sabine M. Neumayer, Sahar Saremi, Lane W. Martin +5
Piezoresponse force microscopy (PFM) is a powerful characterization technique to readily image and manipulate ferroelectrics domains. PFM gives insight into the strength of local p…
Mapping fast evolution of transient surface photovoltage dynamics using G-Mode Kelvin probe force microscopy
Liam Collins, Mahshid Ahmadi, Jiajun Qin +4
Optoelectronic phenomena in materials such as organic/inorganic hybrid perovskites depend on a complex interplay between light induced carrier generation and fast (electronic) and…