activity
20182022
most citedDisentangling electronic transport and hysteresis at individual grain boundaries in hybrid perovskites via automated scanning probe microscopy

2 citations · 4 across the 5 of their papers we have counts for

collaborators

9 papers

cond-mat.mtrl-sci20222 cited

Disentangling electronic transport and hysteresis at individual grain boundaries in hybrid perovskites via automated scanning probe microscopy

Yongtao Liu, Jonghee Yang, Benjamin J. Lawrie +4

Underlying the rapidly increasing photovoltaic efficiency and stability of metal halide perovskites (MHPs) is the advance in the understanding of the microstructure of polycrystall…

cond-mat.mtrl-sci2022

Dynamic control of ferroionic states in ferroelectric nanoparticles

Anna N. Morozovska, Sergei V. Kalinin, Mykola E. Yelisieiev +4

The polar states of uniaxial ferroelectric nanoparticles interacting with a surface system of electronic and ionic charges with a broad distribution of mobilities is explored, whic…

physics.app-ph2021

Photoinduced iodide repulsion and halides-demixing in layered perovskites

Yongtao Liu, Miaosheng Wang, Anton V. Ievlev +3

Mixing halides in metal halide perovskites (MHPs) is an effective approach to adjust MHPs bandgap for applications in tandem solar cells. However, mixed-halide (MH-) MHPs undergo l…

physics.app-ph2021

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…

cond-mat.dis-nn20211 cited

Decoding the shift-invariant data: applications for band-excitation scanning probe microscopy

Yongtao Liu, Rama K. Vasudevan, Kyle Kelley +5

A shift-invariant variational autoencoder (shift-VAE) is developed as an unsupervised method for the analysis of spectral data in the presence of shifts along the parameter axis, d…

physics.app-ph2020

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…