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Recent Group Publications

2023 Publications

Dynamic structural and microstructural responses of a metal-organic framework type material to carbon dioxide under dual gas flow and supercritical conditions
https://doi.org/10.1107/S1600576722012134

Lattice vibrations and energy landscape of the isoelectronic semiconductor series CuBr, ZnSe, GaAs, and Ge: The special case of CuBr and its d-level chemistry
https://doi.org/10.1103/PhysRevB.108.195202

In situ probing of interfacial roughness and transient phases during ceramic cold sintering process
https://doi.org/10.1016/j.actamat.2023.119283

Large Scale Benchmark of Materials Design Methods
https://doi.org/10.48550/arXiv.2306.11688

Recent progress in the JARVIS infrastructure for next-generation data-driven materials design
https://doi.org/10.1063/5.0159299

Resolving Salt-Induced Agglomeration of Laponite Suspensions Using X-ray Photon Correlation Spectroscopy and Molecular Dynamics Simulations
https://doi.org/10.3390/ma16010101

In Situ Microstructure Characterization of Potassium Di-Phosphate (KDP) Densification during Cold Sintering
https://doi.org/10.3390/app122010493

Four-Dimensional Scanning Transmission Electron Microscopy: Part I: Imaging, Strain Mapping, and Defect Detection
https://doi.org/10.31399/asm.edfa.2023-3.p012

75 years of IUCr Journals: 1948 to 2023, an Editor-in-Chief's perspective
https://doi.org/10.1107/S205225252300670X

Selected advances in small-angle scattering and applications they serve in manufacturing, energy and climate change
https://doi.org/10.1107/S1600576723003898

Density changes in amorphous silicon induced by swift heavy ions
https://doi.org/10.1103/PhysRevB.106.144101

Mapping Polar Distortions using Nanobeam Electron Diffraction and a Cepstral Approach
https://doi.org/10.1093/micmic/ozad070

Control of Micro- and Nanostructures of Layered Double Hydroxides by Hydrothermal Treatment
https://doi.org/10.1021/acs.cgd.2c01124

Effect of austenite fraction and stability on strength-hardening-ductility in additively manufactured 17-4 PH stainless steel containing nitrogen
https://doi.org/10.1016/j.msea.2023.145180

A high-strength precipitation hardened cobalt-free high-entropy alloy
https://doi.org/10.1016/j.msea.2023.144848

Solidification modes during additive manufacturing of steel revealed by high-speed X-ray diffraction
https://doi.org/10.1016/j.actamat.2023.118713

Incommensurate Modulation and Competing Ferroelectric/Antiferroelectric Modes in Tetragonal Tungsten Bronzes
https://doi.org/10.1021/acs.chemmater.2c02367

Extended q-Range X-Ray Scattering Reveals High-Resolution Structural Details of Biomacromolecules in Aqueous Solutions
https://doi.org/10.1002/chem.202203551

Fast and accurate prediction of material properties with three-body tight-binding model for the periodic table
https://doi.org/10.1103/PhysRevMaterials.7.044603

High-Throughput DFT-Based Discovery of Next Generation Two-Dimensional (2D) Superconductors
https://doi.org/10.1021/acs.nanolett.2c04420

Efficient computational design of two-dimensional van der Waals heterostructures: Band alignment, lattice mismatch, and machine learning
https://doi.org/10.1103/PhysRevMaterials.7.014009

Entering new era of thermoelectric oxide ceramics with high power factor through designing grain boundaries
https://doi.org/10.1016/j.rser.2023.113186

Structural and thermal properties of Eu2Ga11Sn35 
https://doi.org/10.1063/5.0119852

Revealing uncommon transport in the previously unascertained very low cation clathrate-I Eu2Ga11Sn35
https://doi.org/10.1039/D2CE01026G

2022 Publications

Enhanced magnetism in Ru-doped hybrid improper perovskite Ca3Mn2O7 via experimental and first-principles study
https://doi.org/10.1111/jace.18948

Ring-Exchange Interaction Effects on Magnons in Dirac Magnet CoTiO3
https://doi.org/10.48550/arXiv.2212.05278

Designing high-TC superconductors with BCS-inspired screening, density functional theory, and deep-learning
https://doi.org/10.1038/s41524-022-00933-1

In situ microstructure characterization of potassium di-phosphate (KDP) densification during cold sintering
https://doi.org/10.3390/app122010493

Resolving Salt-Induced Agglomeration of Laponite Suspensions Using X-ray Photon Correlation Spectroscopy and Molecular Dynamics Simulations
https://doi.org/10.3390/ma16010101

Density changes in amorphous silicon induced by swift heavy ions
https://doi.org/10.1103/PhysRevB.106.144101

Research, standards, and data needs for industrialization of ceramic direct ink writing
https://doi.org/10.1002/ces2.10158

Dielectric relaxation, local structure, and lattice dynamics in Mn-doped potassium tantalate ceramics
https://doi.org/10.3390/ma14164632

Structural and Morphological Characterization of Novel Organic Electrochemical Transistors via Four-dimensional (4D) Scanning Transmission Electron Microscopy
https://doi.org/10.1017/S1431927621006553

Thermal and mechanical properties of the clathrate-II Na24Si136
https://doi.org/10.1103/PhysRevB.105.214114

Structural and Electronic Properties of Cu3InSe4
https://doi.org/10.3390/cryst12091310

Probing Structure-Property Relations in Garnet-Type Solid Electrolytes for Next Generation Electrical Energy Storage with Multimode Analytical Scanning and Transmission Electron Microscopy
https://doi.org/10.1017/S1431927622004329

Crystal structure and thermochromic behavior of the quasi-0D lead-free organic-inorganic hybrid compounds (C7H9NF)8M4I16 (M = Bi, Sb)
https://doi.org/10.1016/j.jallcom.2021.163278

Electric field and strain engineering tuning Rashba spin splitting in quasi-one-dimensional organic–inorganic hybrid perovskites (MV)AI3Cl2 (MV = methylviologen, A = Bi, Sb)
https://doi.org/10.1039/D2CP02059A

Powder X-ray structural analysis and bandgap measurements for (CaxSr2−x)MnWO6 (x = 0.25, 0.5, 0.75, 1.5, 1.75)
https://doi.org/10.1017/S0885715622000185

Reproducible sorbent materials foundry for carbon capture at scale
https://doi.org/10.1016/j.xcrp.2022.101063 

Nanoscale-correlated octahedral rotations in BaZrO3
https://doi.org/10.1103/PhysRevB.104.214109

Rheology and microstructure development of hydrating tricalcium silicate – implications for additive manufacturing in construction
https://doi.org/10.1016/j.cemconres.2021.106651

Uncovering the Role of Ordering in MoSi Superconducting Nanowire Single Photon Detectors with 4D STEM
https://doi.org/10.1017/S1431927622006961

Using 4D-STEM to Track Structural Changes Due to Electrochemical Doping in Organic Electrochemical Transistors
https://doi.org/10.1017/S1431927622008674

Major to trace element imaging and analysis of iron age glasses using stage scanning in the analytical dual beam microscope (TANDEM)
https://doi.org/10.1186/s40494-022-00707-4

On the Role of Defects in the Electronic Structure of MnBi2−xSbxTe4
https://doi.org/10.48550/arXiv.2206.14325

Designing High-Tc Superconductors with BCS-inspired Screening, Density Functional Theory and Deep-learning
https://doi.org/10.48550/arXiv.2205.00060

Stable Nitride Precipitation in Additively Manufactured Nickel Superalloys
https://doi.org/10.1016/j.jallcom.2022.164918

TMS 2022 Annual Meeting & Exhibition Report
https://doi.org/10.1017/S0885715622000124

Finely tunable dynamical coloration using bicontinuous micrometer-domains
https://doi.org/10.1038/s41467-022-31020-0

Kinetically Induced Fine Secondary α-Ti Phase Formation in a Novel As-Cast Titanium Alloy
https://doi.org/10.1007/s11661-022-06775-2

Phase transformation dynamics guided alloy development for additive manufacturing
https://doi.org/10.1016/j.addma.2022.103068

2021 Publications

The mediation of bond strain by vacancies and displacive disorder in A-site-deficient perovskites
https://doi.org/10.1016/j.actamat.2021.116678

How Austenitic Is a Martensitic Steel Produced by Laser Powder Bed Fusion? A Cautionary Tale
https://doi.org/10.3390/met11121924

Tuning between Proper and Hybrid-Improper Mechanisms for Polar Behavior in CsLn2Ti2NbO10 Dion-Jacobson Phases
https://doi.org/10.1021/acs.chemmater.0c03326

Solid-State Transformation of an Additive Manufactured Inconel 625 Alloy at 700°C
https://doi.org/10.3390/app11188643

Structural and Morphological Characterization of Novel Organic Electrochemical Transistors via Four-dimensional (4D) Scanning Transmission Electron Microscopy
https://doi.org/10.1017/S1431927621006553

Temperature-insensitive silicone composites as ballistic witness materials: the impact of water content on the thermophysical properties
https://doi.org/10.1007/s10853-021-06334-x

Influence of solidification structure on austenite to martensite transformation in additively manufactured hot-work tool steels
https://doi.org/10.1016/j.actamat.2021.117044

Orientational Ordering within Semiconducting Polymer Fibrils
https://doi.org/10.1002/adfm.202102522

Density functional theory study of the structure of the pillared Hofmann Compound Ni(3-Methyl-4,4′-bipyridine)[Ni(CN)4] (Ni-BpyMe or PICNIC-21)
https://doi.org/10.1021/acs.jpcc.1c01896

An open-access future for Journal of Synchrotron Radiation – Editorial from the Main Editors and IUCr Journals Editor-in-Chief
https://doi.org/10.1107/S1600577521007086


New capabilities for enhancement of RMCProfile: instrumental profiles with arbitrary peak shapes for structural refinements using the reverse Monte Carlo method
https://doi.org/10.1107/S1600576720013254

Synthesis, structural and sorption characterization of a Hofmann compound, Ni(3-methyl-4,4'-bipyridine)[Ni(CN)4]
https://doi.org/10.1016/j.poly.2021.115132

Steam-created grain boundaries for methane C–H activation in palladium catalysts
https://doi.org/10.1126/science.abj5291

Nanoparticle size and 3D shape measurement by electron tomography: An Inter-Laboratory Comparison
https://doi.org/10.1016/j.micron.2020.102956

Surface-directed ZnGa2O4 and β-Ga2O3 nanofins coated with a non-polar GaN shell based on the Kirkendall effect
https://doi.org/10.1039/D1CE00744K

Fast and Accurate Prediction of Material Properties with Three-Body Tight-Binding Model for the Periodic Table
https://doi.org/10.48550/arXiv.2112.11585

Magnon-phonon hybridization in quasi-2D antiferromagnet MnPSe3
https://doi.org/10.48550/arXiv.2011.12557

In situ characterization of ceramic cold sintering by small-angle scattering
https://doi.org/10.1111/jace.17664

Development of computational framework for titanium alloy phase transformation prediction in laser powder-bed fusion additive manufacturing
https://doi.org/10.1016/j.mtla.2020.100934

In Situ Synchrotron and Neutron Characterization of Additively Manufactured Alloys
https://doi.org/10.1007/s11837-020-04489-7

Computational scanning tunneling microscope image database
https://doi.org/10.1038/s41597-021-00824-y

High-throughput search for magnetic topological materials using spin-orbit spillage, machine-learning and experiments
https://10.1126/sciadv.abd1076

Effects of octahedral tilting on the site of substitution of manganese in CaTiO3
https://doi.org/10.1016/j.actamat.2021.116688

Database of Wannier tight-binding Hamiltonians using high-throughput density functional theory
https://doi.org/10.1038/s41597-021-00885-z

Topological surface states of MnBi2Te4 at finite temperatures and at domain walls
https://doi.org/10.1103/PhysRevMaterials.5.024207

On the future of scientific publication
https://vsh-aeu.ch/download/326/VSH_Bulletin_November_2021_WEB.pdf

2020 Publications

Additive Manufacturing of Steels and Stainless Steels
https://doi.org/10.31399/asm.hb.v24.a0006566

Nucleation and early stage crystallization in barium disilicate glass
https://doi.org/10.1016/j.jnoncrysol.2020.120330

Materials research & measurement needs for ceramics additive manufacturing
https://doi.org/10.1111/jace.17369

Distinct magneto-Raman signatures of spin-flip phase transitions in CrI
https://doi.org/10.1038/s41467-020-17320-3

The joint automated repository for various integrated simulations (JARVIS) for data-driven materials design
https://doi.org/10.1038/s41524-020-00440-1

Magnon-phonon hybridization in quasi-2D antiferromagnet MnPSe3
https://arxiv.org/abs/2011.12557

Local Structural Distortions and Failure of the Surface-Stress "Core-Shell" Model in Brookite Titania Nanorods
https://doi.org/10.1021/acs.chemmater.9b03762

Displacive Order–Disorder Behavior and Intrinsic Clustering of Lattice Distortions in Bi‐Substituted NaNbO3 
https://doi.org/10.1002/adfm.202001840

Substitutional Mechanisms and Structural Relaxations for Manganese in SrTiO3: Bridging the Concentration Gap for Point-Defect Metrology
https://doi.org/10.1021/acs.chemmater.0c01082

In-situ structural and electrical conductivity characterization of Sr2MMoO6-δ double perovskite solid oxide fuel cell anode materials
https://doi.org/10.1021/acsaem.0c00376

Outcomes and Conclusions from the 2018 AM-Bench Measurements, Challenge Problems, Modeling Submissions, and Conference
https://doi.org/10.1007/s40192-019-00164-1

Computational search for magnetic and non-magnetic 2D topological materials using unified spin–orbit spillage screening
https://www.nature.com/articles/s41524-020-0319-4

Efficient Computational Design of 2D van der Waals Heterostructures: Band-Alignment, Lattice-Mismatch, Web-app Generation and Machine-learning
https://arxiv.org/abs/2004.03025

Topological surface states of MnBi2Te4 at finite temperatures and at domain walls
https://arxiv.org/abs/2003.03439

Density Functional Theory and Deep-learning to Accelerate Data Analytics in Scanning Tunneling Microscopy
https://arxiv.org/abs/1912.09027

Shale pore alteration: Potential implications for hydrocarbon extraction and CO2 storage
https://doi.org/10.1016/j.fuel.2019.116930

Cosolvent Effects When Blade-Coating a Low-Solubility Conjugated Polymer for Bulk Heterojunction Organic Photovoltaics
https://doi.org/10.1021/acsami.0c04108

Influence of Polymer Aggregation and Liquid Immiscibility on Morphology Tuning by Varying Composition in PffBT4T‐2DT/Nonfullerene Organic Solar Cells
https://doi.org/10.1002/aenm.201903248

High-throughput Discovery of topologically Non-trivial Materials using spin-orbit spillage
https://www.nature.com/articles/s41598-019-45028-y

The precipitation kinetics, microstructure evolution and mechanical behavior of a developed Al-Mn-Sc alloy fabricated by selective laser melting
https://www.sciencedirect.com/science/article/pii/S135964542030272X

Nitrogen Effects in Additively Manufactured Martensitic Stainless Steels: Conventional Thermal Processing and Comparison with Wrought
https://link.springer.com/article/10.1007/s11661-020-05703-6

Thresholded Response in Cylindrically Shocked Cyclotrimethylene Trinitramine (RDX)
https://pubs.acs.org/doi/abs/10.1021/acs.jpca.9b07637

Atomistic Structural Refinements and Failure of the Surface-Stress “Core-Shell” Model in Brookite Titania Nanorods
https://pubs.acs.org/doi/abs/10.1021/acs.chemmater.9b03762

Advanced Characterization and Testing of Irradiated Materials
https://link.springer.com/article/10.1007/s11837-019-03924-8

Data-driven Discovery of 3D and 2D Thermoelectric Materials
https://arxiv.org/abs/1906.06024

2019 Publications

Local atomic order and hierarchical polar nanoregions in a classical relaxor ferroelectric
https://doi.org/10.1038/s41467-019-10665-4

Nanoscale polar heterogeneities and branching Bi-displacement directions in K0.5Bi0.5TiO3 
https://doi.org/10.1021/acs.chemmater.8b05187

High-throughput density functional perturbation theory and machine learning predictions of infrared, piezoelectric, and dielectric responses
https://www.nature.com/articles/s41524-020-0337-2

Density functional theory meta GGA study of water adsorption in MIL-53(Cr)
https://doi.org/10.1017/S0885715619000587

Structural Basis of CO2 Adsorption in a Flexible Metal-Organic Framework Material
https://doi.org/10.3390/nano9030354

Cold Microscopy Solves Hot Problems in Energy Research
https://doi.org/10.1016/j.matt.2019.10.015

Transition state and product diffusion control by polymer–nanocrystal hybrid catalysts
https://doi.org/10.1038/s41929-019-0322-7

Correlating anisotropic mobility and intermolecular phonons in organic semiconductors to investigate transient localization
https://doi.org/10.1038/s42005-019-0129-5

Catalyst deactivation via decomposition into single atoms and the role of metal loading
https://doi.org/10.1038/s41929-019-0328-1

Combined cluster and atomic displacement expansion for solid solutions and magnetism
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.99.174108

Prediction of Weyl semimetal and antiferromagnetic topological insulator phases in Bi2MnSe4 
https://www.nature.com/articles/s41524-019-0168-1

Recent trends in crystallography – a current IUCr journals perspective
https://doi.org/10.1107/S2052252519014507

Simulation of TTT curves for additively manufactured Inconel 625
https://doi.org/10.1007/s11661-018-4959-7

Phase Fractions and Phase Evolution of Additively Manufactured 15-5 Stainless Steel and Inconel 625 AM-Bench Artifacts
https://doi.org/10.1007/s40192-019-00148-1

Transformation of Engineered Nanomaterials through the Prism of Silver Sulfidation
https://doi.org/10.1039/c8na00103k

2018 Publications

Formation of the Conducting Filament in TaOx-Resistive Switching Devices by Thermal-Gradient-Induced Cation Accumulation
https://doi.org/10.1021/acsami.8b03726

Field-induced polarization rotation and phase transitions in 0.70Pb(Mg1/3Nb2/3)O3− 0.30PbTiO3 piezoceramics observed by in situ high-energy x-ray scattering
https://doi.org/10.1103/PhysRevB.97.214102

Synthesis, structure, and electrical properties of the single crystal Ba8Cu16As30
https://doi.org/10.1021/acs.inorgchem.8b01314

Time-of-flight neutron total scattering with applied electric fields: Ex situ and in situ studies of ferroelectric materials 
https://doi.org/10.1063/1.5037609

Ba8Cu16As30: A cationic-framework clathrate-I arsenide 
https://doi.org/10.1021/acs.inorgchem.8b01314

Development of combined microstructure and structure characterization facility for in situ and operando studies at the Advanced Photon Source 
https://doi.org/10.1107/S160057671800643X

Foreword to the special issue on advanced neutron scattering instrumentation 
https://doi.org/10.1107/S1600576718007987

Effect of heat treatment on the microstructural evolution of a nickel-based superalloy additive-manufactured by laser powder bed fusion
https://doi.org/10.1016/j.actamat.2018.03.017

Journal of Applied Crystallography: the first 50 years and beyond (2018)
https://doi.org/10.1107/S1600576718004478

Accurate band alignment at the amorphous Al2O3/p-Ge(100) interface determined by hard x-ray photoelectron spectroscopy and density functional theory
https://doi.org/10.1103/PhysRevMaterials.2.114605

Local atomic geometry and Ti 1s near-edge spectra in PbTiO3 and SrTiO3 
https://doi.org/10.1103/PhysRevB.98.014111

The PNR to relaxor transition in PSN with nearest neighbor Pb-O divacancies
https://doi.org/10.1080/00150193.2018.1474636

Comparing Sulfidation Kinetics of Silver Nanoparticles in Simulated Media using Direct and Indirect Measurement Methods
https://doi.org/10.1039/c8nr06668j

High efficiency Coherence-Preserving Harmonic Rejection with Crystal Optics
https://scripts.iucr.org/cgi-bin/paper?ve5086

The Influence of Annealing Temperature and Time on the Formation of δ-Phase in Additively-Manufactured Inconel 625
https://link.springer.com/article/10.1007/s11661-018-4643-y

Phase Evolution of Additively Manufactured Nickel-based Superalloy during Stress Relieving and Homogenization Heat Treatments
https://www.sciencedirect.com/science/article/pii/S1359645418302027

Extended Hierarchal Solvent Perturbations from Meso-Porous Silica in a Deep Eutectic Solvent
https://www.sciencedirect.com/science/article/pii/S0021979718302340

CONTIN XPCS: Software for Inverse Transform Analysis of X-Ray Photon Correlation Spectroscopy Dynamics
https://scripts.iucr.org/cgi-bin/paper?te5027

Inverse Transformation: Unleashing Spatially Heterogeneous Dynamics with an Alternative Approach to XPCS Data Analysis
https://scripts.iucr.org/cgi-bin/paper?te5020

Van der Waals interfaces in epitaxial vertical metal/2D/3D semiconductor heterojunctions of monolayer MoS2 and GaN
https://doi.org/10.1088/2053-1583/aad1b7

Characterization of Interfacial Structure in Polymer-Fullerene Bulk Heterojunctions via 13C{2H} Rotational Echo Double Resonance NMR
https://doi.org/10.1103/PhysRevLett.121.026101

Domain formation in lithium-rich manganese-nickel-cobalt-oxide epitaxial thin films and implications for interpretation of electrochemical behavior
https://doi.org/10.1016/j.tsf.2017.12.006

Local degradation pathways in lithium-rich manganese–nickel–cobalt oxide epitaxial thin films
https://doi.org/10.1007/s10853-017-1593-5

Approaches for the quantitative analysis of oxidation state in cerium oxide nanomaterials
https://doi.org/10.1088/1361-6528/aae364

In Situ Oxidation and Reduction of Cerium Dioxide Nanoparticles Studied by Scanning Transmission Electron Microscopy
https://doi.org/10.1016/j.micron.2018.08.008

High-throughput first-principles search for new ferroelectrics
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.97.024115

Book Chapters

A.J. Allen; “Scattering methods for disordered heterogeneous materials,” book chapter 5.8 in ‘International Tables for Crystallography Volume H: Powder Diffraction’ Eds.  C. Gilmore, J. Kaduk & H. Schenk, International Union of Crystallography, Chester, UK, pp. 673-696 (2019). 
https://it.iucr.org/Ha/ch5o8v0001/

G. Gadikota & A.J. Allen; “Microstructural and structural characterization of materials for CO2 storage using X-ray scattering methods,” book chapter 5 in ‘Materials and Processes for CO2 Capture, Conversion, and Sequestration’, Eds. L. Li, W. Wong-Ng, K. Huang & L. Cook. John Wiley & Sons, Hoboken, NJ, pp. 296-318 (2018). 
https://www.wiley.com/en-us/Materials+and+Processes+for+CO2+Capture%2C+Conversion%2C+and+Sequestration-p-9781119231035

Created July 1, 2020, Updated December 20, 2023