Olga S Ovchinnikova Contact ovchinnikovo@ornl.gov | 865.574.4871 All Publications Strain in Metal Halide Perovskites: The Critical Role of A-Site Cation... Correlating crystallographic orientation and ferroic properties of twin domains in metal halide perovskites... Quantitative Measurement of Li-Ion Concentration and Diffusivity in Solid-State Electrolyte... Selective patterning of out-of-plane piezoelectricity in MoTe2 via focused ion beam... Enhancing hyperspectral EELS analysis of complex plasmonic nanostructures with pan-sharpening... Direct Observation of Photoinduced Ion Migration in Lead Halide Perovskites... Nanoscale Mass Spectrometry Multimodal Imaging via Tip-Enhanced Photothermal Desorption... Nanomechanical sampling of material for nanoscale mass spectrometry chemical analysis... Helium Ion Microscopy... Structural and antibacterial properties of NSAID-loaded ultra-high molecular weight polyethylene... Hysteretic Ion Migration and Remanent Field in Metal Halide Perovskites... Exploration of Electrochemical Reactions at Organic–Inorganic Halide Perovskite Interfaces via Machine Learning in In Situ ... Correlated Electrical and Chemical Nanoscale Properties in Potassium-Passivated, Triple-Cation Perovskite Solar Cells... Tuning spin-orbit coupling towards enhancing photocurrent in hybrid organic-inorganic perovskites by using mixed organic cati... Secondary Ion Mass Spectrometry (SIMS) for chemical characterization of metal halide perovskites... Toward nanoscale molecular mass spectrometry imaging via physically constrained machine learning on co-registered multimodal ... Direct Write of 3D Nanoscale Mesh Objects with Platinum Precursor via Focused Helium Ion Beam Induced Deposition... Strain–Chemical Gradient and Polarization in Metal Halide Perovskites... In situ multimodal imaging for nanoscale visualization of tribofilm formation... Twin domains modulate light-matter interactions in metal halide perovskites... Machine learning-based multidomain processing for texture-based image segmentation and analysis... Structures of Partially Fluorinated Bottlebrush Polymers in Thin Films... Two‐Photon Up‐Conversion Photoluminescence Realized through Spatially Extended Gap States in Quasi‐2D Perovskite Films... Ferroic twin domains in metal halide perovskites... Light‐Ferroic Interaction in Hybrid Organic–Inorganic Perovskites... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Page 3 … Next page ›› Last page Last » Key Links ORCID