Research Highlights
2025 IRG-1: Phase Decomposition in The Equiatomic CoCrNi Alloy
Oct 1, 2025
Our Researchers have investigated the phase stability of the equiatomic CoCrNi alloy, a material traditionally considered a single-phase face-centered cubic (FCC) structure. Through comprehensive analysis, the study reveals that under specific conditions, the alloy...
2025 IRG-1: The Origin and Control of Interstitial Impurities in Refractory Complex Concentrated Alloys
Sep 26, 2025
Refractory complex concentrated alloys (RCCAs) are promising materials for extreme environments due to their high melting points and exceptional mechanical strength. However, their performance can be significantly affected by interstitial impurities, which alter...
2025 Seed: Triel-Defined Helicity in One-Dimensional III–VI–VII van der Waals Crystals
Sep 10, 2025
Researchers at UCI have reported the synthesis of AlSeI single crystals, marking the first aluminum-containing helical crystal in the III–VI–VII 1D van der Waals class. This work reveals a unique form of tri-el-defined helicity in low-dimensional materials,...
2025 IRG-2: In Situ Liquid Cell Electron Microscopy with Simultaneous Control of Heating, Biasing, and Flow
Sep 3, 2025
Our researchers have developed a cutting-edge liquid cellTEM platform that allows simultaneous control of electrochemical bias, temperature, and liquid flow. This advanced setup enabled the team to investigate copper nucleation on platinum electrodes under different...
2025 IRG-2: Sequence Programmable Order–Disorder Transitions in Supramolecular Assembly of Peptide Nanofibers
Aug 27, 2025
This research shows how specially designed short protein-like molecules (peptides) can be programmed to change shape and join together when triggered by changes in acidity, oxidation, or the addition of a phosphate group—signals that also control natural proteins in...
2025 IRG-2: Chemical Mapping of Nanoparticle–Ligand Interfaces in Optical Nanocavities
Jun 24, 2025
Understanding processes in photon–phonon scattering, absorption, and chemical reactions in optical nanocavities is important for single-molecule sensors, single-photon emitters, and photocatalysis. However, the influence of electromagnetic fields, charge transfer, and...
2025 IRG-1: Grain Rotation Mechanisms in Nanocrystalline Materials: Multiscale Observations in Pt Thin Films
May 23, 2025
Using in-situ atomic resolution HAADF-STEM imaging, the study provides direct experimental evidence that grain rotation in nanocrystalline materials is primarily driven by disconnection-mediated shear-coupled grain boundary (GB) migration, confirming a...
2025 IRG-1: Neural Network Kinetics: Exploring Diffusion Multiplicity and Chemical Ordering in Compositionally Complex Materials
May 22, 2025
We introduce a neural network kinetics (NNK) scheme that predicts and simulates diffusion-induced chemical and structural evolution in complex concentrated chemical environments. The framework is grounded on efficient on-lattice structure and chemistry representation...
2025 IRG-2: Machine Learning-guided Investigation of Structure-Property Relationships in Materials Systems
May 22, 2025
Machine learning (ML) models can be interpretable, providing new fundamental physical/chemical insights into materials systems. We developed interpretable ML models1 to investigate two very different materials systems: • Peptide “wires” experimentally shown to exhibit...
2025 IRG-2: Redox-Enabled Pathway Complexity in Supramolecular Hydrogels
May 22, 2025
This paper reports: Redox-enabled pathway complexity in amino acid-functionalized perylene diimides (PDIs) and its consequence for the macroscopic hydrogel network. Chemical reduction and subsequent oxidation enable a kinetically trapped state of the micellar network,...
2025 Seed: Discovery of Helical Inorganic Crystals as Building Blocks for Chiral and Non-reciprocal Excitations
May 20, 2025
The realization of chiral and non-reciprocal excitations in inorganic crystalline materials necessitates the development of new atomically-precise chiral solid state crystals and understand their fundamental optical/electronic states that arise from the resulting...
2025 IRG-2: Hierarchical Assembly of Conductive Fibers from Coiled-Coil Peptide Building Blocks
Apr 4, 2025
The paper describes the use of a short protein (peptide) sequence feature to control self-assembly using pH. We showed that this control allows access to structures unprecedented in nature or computationally designed protein assemblies. The resulting nanowires are...
2025 Seed: Anomalous Hall Spin Current Drives Self-Generated Spin–Orbit Torque in a Ferromagnet
Mar 28, 2025
Spin–orbit torques enable energy-efficient manipulation of magnetization by electric current and hold promise for applications ranging from non-volatile memory to neuromorphic computing. A team lead by Prof. Ilya Krivorotov of the CCAM seed project discovered a new...
2025 IRG-2: Cryo-EM Informed Molecular Dynamics Simulations to Investigate the Disulfide Hydrogel Self-Assembly
Mar 19, 2025
Disulfide hydrogels, based on cysteine-driven redox systems, exhibit remarkable self-assembly properties through reversible disulfide bond formation, making them a promising platform for dynamic material design. A research team from IRG-2, led by Prof....
2025 IRG-2: Dynamic Electronic Structure Fluctuations in the De Novo Peptide ACC-Dimer Revealed by First-Principles Theory and Machine Learning
Mar 12, 2025
An IRG2 team, led by Prof. Sahar Sharifzadeh (Boston University) and Prof. Stacy Copp (University of California, Irvine), has developed an approach that integrates machine learning with density functional theory (DFT) calculations to study dynamic...
Impact of Entropy Stabilization on Electrical Conductivity
Nov 8, 2024
Impact of Entropy Stabilization on Electrical Conductivity Entropy-stabilized oxide (ESO) research has primarily focused on discovering unprecedented structures, chemistries, and properties in the single-phase state. However, few studies discuss the impacts of entropy...
Observing the Dynamics of an Electrochemically Driven Active Material with Liquid Electron Microscopys
Nov 7, 2024
Observing the Dynamics of an Electrochemically Driven Active Material with Liquid Electron Microscopy The IRG-2 team led by Assistant Professor Joe Patterson (Department of Chemistry) and his student Wyeth Gibson, have pioneered the observation of molecular active...
Exceptional Electronic Transport & Quantum Oscillations in Thin Bismuth Crystals Grown Inside vdW Materials
Nov 7, 2024
Exceptional Electronic Transport & Quantum Oscillations in Thin Bismuth Crystals Grown Inside vdW Materials The seed team, led by Assistant Professor Javier D. Sanchez-Yamagishi, has developed an innovative approach to thin crystal synthesis by growing bismuth...
Sensitive Thermochromic Behavior of InSeI
Nov 7, 2024
Sensitive Thermochromic Behavior of InSeI Optical thermometry measures temperature using the optical properties of materials, such as luminescence, absorbance, or fluorescence. In a study published in Advanced Materials, the seed team led by Assistant Prof. Maxx Q....
Neural Network Kinetics Method Predicts Atomic Diffusion in Complex Materials
Nov 7, 2024
Neural Network Kinetics Method Predicts Atomic Diffusion in Complex Materials IRG-1 researchers, Assistant Professor Penghui Cao of Mechanical and Aerospace Engineering and his student Bin Xing, have developed a groundbreaking Neural Network Kinetics (NNK) method to...




















