Publications
2023
Accelerating Electronic Stopping Power Predictions by 10 Million Times with a Combination of Time-Dependent Density Functional Theory and Machine Learning Journal Article Forthcoming
In: Forthcoming.
Zero-field magnetic structure and metamagnetic phase transitions of the cobalt chain compound Li2CoCl4 Journal Article
In: Phys. Rev. Materials, vol. 7, pp. 104405, 2023.
Control of lithium salt partitioning, coordination, and solvation in vitrimer electrolytes Journal Article
In: Chem. Mater., vol. 35, pp. 8039-8049, 2023.
Integrating Magnons for Quantum Information Journal Article
In: Appl. Phys. Lett., vol. 123, pp. 130501, 2023.
Mechanistic origins of excitonic properties in 2D perovskites: Implications for exciton engineering Journal Article
In: Matter, vol. 6, pp. 3463-3482, 2023.
Effect of dynamical screening in the Bethe-Salpeter framework: Excitons in crystalline naphthalene Journal Article
In: Phys. Rev. B, vol. 107, pp. 235205, 2023.
Impact of Computation in Undergraduate Curriculum : Alumni Perspective Conference
2023 ASEE Annual Conference & Exposition 2023.
Identifying native point defect configurations in α-alumina Journal Article
In: J. Phys.: Condens. Matter, vol. 35, pp. 334002, 2023.
Bend-Induced Ferroelectric Domain Walls in $alpha$-In$_2$Se$_3$ Journal Article
In: ACS Nano, vol. 17, pp. 7881–7888, 2023.
Phonon, Electron, and Magnon Excitations in Antiferromagnetic L1$_0$-type MnPt Journal Article
In: Phys. Rev. B, vol. 107, pp. 064412, 2023.
Angstrom-Scale Imaging of Magnetization in Antiferromagnetic Fe2As via 4D-STEM Journal Article
In: Ultramicroscopy, vol. 247, pp. 113696, 2023.
Hybrid-Magnon Quantum Devices: Strategies and Approaches Conference
2022 International Electron Devices Meeting (IEDM), 2023.
2022
Electron dynamics in extended systems within real-time time-dependent density functional theory Journal Article
In: MRS Communications, vol. 12, pp. 1002-1014, 2022.
First-principles simulation of light-ion microscopy of graphene Journal Article
In: 2D Materials, vol. 9, no. 4, pp. 045023, 2022.
High-resolution diffraction reveals magnetoelastic coupling and coherent phase separation in tetragonal CuMnAs Journal Article
In: Phys. Rev. Materials, vol. 6, pp. 094405, 2022.
2022 ASEE Annual Conference & Exposition, American Society for Engineering Education 2022.
Discovery of New Plasmonic Metals via High-Throughput Machine Learning Journal Article
In: Adv. Opt. Mater., vol. 10, pp. 2200158, 2022.
In: Phys. Rev. B, vol. 105, pp. 195203, 2022.
Structure and Magnetic Properties of Ni4V3O10, an Antiferromagnet with Three Types of Vanadium–Oxygen Polyhedra Journal Article
In: Chem. Mater., vol. 34, pp. 4721, 2022.
Polar magneto-optical Kerr effect in antiferromagnetic M2As (M=Cr, Mn, Fe) under an external magnetic field Journal Article
In: Phys. Rev. B, vol. 105, pp. 184404, 2022.
Delocalization of dark and bright excitons in flat-band materials and the optical properties of V$_2$O$_5$ Journal Article
In: npj Computational Materials, vol. 8, pp. 94, 2022.
Morphology and Growth Habit of the New Flux-Grown Layered Semiconductor KBiS$_2$ Revealed by Diffraction Contrast Tomography Journal Article
In: Crystal Growth & Design, vol. 22, pp. 3228-3234, 2022.
Computational discovery of high charge mobility self-assembling $pi$-conjugated peptides Journal Article
In: Mol. Syst. Des. Eng., vol. 7, pp. 447–459, 2022.
2021
Carrier-Specific Hot Phonon Bottleneck in CH3NH3PbI3 Revealed by Femtosecond XUV Absorption Journal Article
In: J. Am. Chem. Soc., vol. 143, no. 48, pp. 20176-20182, 2021.
Real-Time Exciton Dynamics with Time-Dependent Density-Functional Theory Journal Article
In: Phys. Rev. Lett., vol. 127, pp. 077401, 2021.
The 2021 ultrafast spectroscopic probes of condensed matter roadmap Journal Article
In: J. Phys. Cond. Mat., vol. 33, pp. 353001, 2021.
Solving the Bethe-Salpeter equation on massively parallel architectures Journal Article
In: Comput. Phys. Commun., vol. 267, pp. 108081, 2021.
Electron cascades and secondary electron emission in graphene under energetic ion irradiation Journal Article
In: Phys. Rev. B, vol. 103, pp. 224306, 2021.
Anomalous Stopping and Charge Transfer in Proton-Irradiated Graphene Journal Article
In: Nano Lett., vol. 21, pp. 4816-4822, 2021.
Transient birefringence and dichroism in ZnO studied with fs-time-resolved spectroscopic ellipsometry Journal Article
In: Phys. Rev. Research, vol. 3, pp. 013246, 2021.
In-plane magnetic structure and exchange interactions in the high-temperature antiferromagnet Cr$_2$Al Journal Article
In: Phys. Rev. Materials, vol. 5, pp. 084411, 2021.
2021 ASEE Annual Conference & Exposition, American Society for Engineering Education 2021.
2020
Strongly two-dimensional exchange interactions in the in-plane metallic antiferromagnet Fe$_2$As probed by inelastic neutron scattering Journal Article
In: Phys. Rev. Materials, vol. 4, pp. 114416, 2020.
Pre-equilibrium stopping and charge capture in proton-irradiated aluminum sheets Journal Article
In: Phys. Rev. B, vol. 102, pp. 165401, 2020.
Ultrafast dynamics of hot charge carriers in an oxide semiconductor probed by femtosecond spectroscopic ellipsometry Journal Article
In: New J. Phys., vol. 22, pp. 083066, 2020.
Magnetocrystalline anisotropy of the easy-plane metallic antiferromagnet Fe$_2$As Journal Article
In: Phys. Rev. B, vol. 102, pp. 064415, 2020.
Metallic antiferromagnets Journal Article
In: J. Appl. Phys., vol. 128, pp. 040904, 2020.
Multiscale simulations of electron and ion dynamics in self-irradiated silicon Journal Article
In: Phys. Rev. B, vol. 102, pp. 024107, 2020.
Impact of Integrating Computation into Undergraduate Curriculum: New Modules and Long-Term Trends Conference
2020 ASEE Annual Conference & Exposition, American Society for Engineering Education 2020.
Deep Learning Enabled Strain Mapping of Single-Atom Defects in Two-Dimensional Transition Metal Dichalcogenides with Sub-Picometer Precision Journal Article
In: Nano Lett., vol. 20, pp. 3369-3377, 2020.
New Family of Anisotropic Zinc-Based Semiconductors in a Shallow Energy Landscape Journal Article
In: Chem. Mater., vol. 32, pp. 326-332, 2020.
2019
Magneto-optic response of the metallic antiferromagnet Fe$_2$As to ultrafast temperature excursions Journal Article
In: Phys. Rev. Materials, vol. 3, pp. 124408, 2019.
In-plane hexagonal antiferromagnet in the Cu-Mn-As system Cu$_{0.82}$Mn$_{1.18}$As Journal Article
In: Phys. Rev. Materials, vol. 3, pp. 111402, 2019.
Tuning Electronic Structure in Layered Hybrid Perovskites with Organic Spacer Substitution Journal Article
In: Nano Lett., vol. 19, pp. 8732-8740, 2019.
In: Langmuir, vol. 35, pp. 15221-15231, 2019.
Free-electron effects on the optical absorption of the hybrid perovskite CH$_3$NH$_3$PbI$_3$ from first principles Journal Article
In: Phys. Rev. B, vol. 100, pp. 035205, 2019.
2019 ASEE Annual Conference & Exposition, American Society for Engineering Education 2019.
Hot-Electron-Mediated Ion Diffusion in Semiconductors for Ion-Beam Nanostructuring Journal Article
In: Nano Lett., vol. 19, pp. 3939-3947, 2019.
Ultralow shear modulus of incommensurate [SnSe]$_n$[MoSe$_2$]$_n$ layers synthesized by the method of modulated elemental reactants Journal Article
In: Phys. Rev. Materials, vol. 3, pp. 043607, 2019.
Solid-State Divalent Ion Conduction in ZnPS$_3$ Journal Article
In: Chem. Mater., vol. 31, pp. 3652-3661, 2019.
Strain and screening: Optical properties of a small-diameter carbon nanotube from first principles Journal Article
In: Phys. Rev. B, vol. 99, pp. 075140, 2019.
Pushing the frontiers of modeling excited electronic states and dynamics to accelerate materials engineering and design Journal Article
In: Comput. Mater. Sci., vol. 160, pp. 207-216, 2019.
2018
Influence of Pi-conjugated cations and halogen substitution on the optoelectronic and excitonic properties of layered hybrid perovskites Journal Article
In: Phys. Rev. Materials, vol. 2, pp. 105406, 2018.
Electronic stopping and proton dynamics in InP, GaP, and In0.5Ga0.5P from first principles Journal Article
In: Eur. Phys. J. B, vol. 91, pp. 222, 2018.
Novel diffusion mechanism in the presence of excited electrons?: Ultrafast electron--ion dynamics in proton-irradiated magnesium oxide Journal Article
In: Mater. Today, vol. 21, pp. 925-927, 2018.
Database-Driven Materials Selection for Semiconductor Heterojunction Design Journal Article
In: Adv. Theor. Sim., vol. 1, pp. 1800075, 2018.
Measuring Student Learning of Crystal Structures Using Computer-Based Visualizations Conference
2018 ASEE Annual Conference & Exposition, American Society for Engineering Education 2018.
Computational Curriculum for MatSE Undergraduates and the Influence on Senior Classes Conference
2018 ASEE Annual Conference & Exposition, American Society for Engineering Education 2018.
Optical properties of In$_2$O$_3$ from experiment and first-principles theory: influence of lattice screening Journal Article
In: New J. Phys., vol. 20, pp. 053016, 2018.
Voltage-induced switching of an antiferromagnetically ordered topological Dirac semimetal Journal Article
In: Phys. Rev. B, vol. 97, pp. 134415, 2018.
Optimization of anisotropic photonic density of states for Raman cooling of solids Journal Article
In: Phys. Rev. A, vol. 97, pp. 043835, 2018.
Nonequilibrium BN-ZnO: Optical properties and excitonic effects from first principles Journal Article
In: Phys. Rev. B, vol. 97, pp. 125201, 2018.
2017
Carrier-Specific Femtosecond XUV Transient Absorption of PbI2 Reveals Ultrafast Nonradiative Recombination Journal Article
In: J. Phys. Chem. C, vol. 121, pp. 27886-27893, 2017.
Computational Curriculum for MatSE Undergraduates Conference
2017 ASEE Annual Conference & Exposition, American Society for Engineering Education, 2017.
Optical determination of crystal phase in semiconductor nanocrystals Journal Article
In: Nat. Commun., vol. 8, pp. 14849, 2017.
Optical-helicity-driven magnetization dynamics in metallic ferromagnets Journal Article
In: Nat. Commun., vol. 8, pp. 15085, 2017.
Massively parallel first-principles simulation of electron dynamics in materials Journal Article
In: J. Parallel Distr. Com., vol. 106, pp. 205-214, 2017.
Structural, Electronic, and Optical Properties of K2Sn3O7 with an Offset Hollandite Structure Journal Article
In: Inorg. Chem., vol. 56, pp. 2914–2918, 2017.
Excitons in scintillator materials: Optical properties and electron-energy loss spectra of NaI, LaBr3, BaI2, and SrI2 Journal Article
In: J. Mater. Res., vol. 32, pp. 56-63, 2017.
2016
Effects of La5d and 4f states on the electronic and optical properties of LaAlO3 Journal Article
In: Phys. Rev. B, vol. 94, pp. 205203, 2016.
Massively Parallel First-Principles Simulation of Electron Dynamics in Materials Conference
2016 IEEE International Parallel and Distributed Processing Symposium (IPDPS), 2016.
Reforming an undergraduate materials science curriculum with computational modules Conference
2016 ASEE Annual Conference & Exposition, vol. 38, American Society for Engineering Education 2016.
Quantum dot surface engineering: Toward inert fluorophores with compact size and bright, stable emission Journal Article
In: Coordin. Chem. Rev., vol. 320-321, pp. 216-237, 2016.
Electron Elevator: Excitations across the Band Gap via a Dynamical Gap State Journal Article
In: Phys. Rev. Lett., vol. 116, pp. 043201, 2016.
Reforming an undergraduate materials science curriculum with computational modules Journal Article
In: J. Materials Education, vol. 38, pp. 161-174, 2016.
2015
Role of Surface Termination on Hot Electron Relaxation in Silicon Quantum Dots: A First-Principles Dynamics Simulation Study Journal Article
In: Nano Lett., vol. 15, pp. 6429-6433, 2015.
First-principles study of codoping in lanthanum bromide Journal Article
In: vol. 91, pp. 165206, 2015.
Auger recombination in sodium-iodide scintillators from first principles Journal Article
In: Appl. Phys. Lett., vol. 106, pp. 141901, 2015.
Accurate atomistic first-principles calculations of electronic stopping Journal Article
In: Phys. Rev. B, vol. 91, pp. 014306, 2015.
Bethe-Salpeter calculation of optical-absorption spectra of In$_2$O$_3$ and Ga$_2$O$_3$ Journal Article
In: Semicond. Sci. Tech., vol. 30, pp. 024010, 2015.
2014
Quantum Dynamics Simulation of Electrons in Materials on High-Performance Computers Journal Article
In: Comput. Sci. Eng., vol. 16, pp. 54-60, 2014.
Origin of resolution enhancement by co-doping of scintillators: Insight from electronic structure calculations Journal Article
In: Appl. Phys. Lett., vol. 104, pp. 211908, 2014.
Quasiparticle spectra, absorption spectra, and excitonic properties of NaI and SrI$_2$ from many-body perturbation theory Journal Article
In: Phys. Rev. B, vol. 89, pp. 075132, 2014.
Photoemission spectra and effective masses of n- and p-type oxide semiconductors from first principles: ZnO, CdO, SnO2, MnO, and NiO Journal Article
In: physica status solidi (a), vol. 211, pp. 74-81, 2014.
2013
Effects of strain on the valence band structure and exciton-polariton energies in ZnO Journal Article
In: Phys. Rev. B, vol. 88, pp. 235210, 2013.
Conductivity and transparency of TiO$_2$ from first principles Journal Article
In: Proc. SPIE, vol. 8822, pp. 882205, 2013.
Ambipolar doping in SnO Journal Article
In: Appl. Phys. Lett., vol. 113, pp. 082118, 2013.
Erratum: Tin dioxide from first principles: Quasiparticle electronic states and optical properties [Phys. Rev. B 83, 035116 (2011)] Journal Article
In: Phys. Rev. B, vol. 87, pp. 239901, 2013.
Ab initio calculation of optical properties with excitonic effects in wurtzite In_x Ga_1-x N and In_x Al_1-x N alloys Journal Article
In: Phys. Rev. B, vol. 87, pp. 195211, 2013.
Impact of degenerate n-doping on the optical absorption edge in transparent conducting cadmium oxide Journal Article
In: Proc. SPIE, vol. 8626, pp. 862604, 2013.
Enhanced Optical Absorption Due to Symmetry Breaking in TiO$_2(1–x)$S$_2x$ Alloys Journal Article
In: J. Phys. Chem. C, vol. 117, pp. 4189-4193, 2013.
2012
Plane-wave pseudopotential implementation of explicit integrators for time-dependent Kohn-Sham equations in large-scale simulations Journal Article
In: J. Chem. Phys., vol. 137, pp. 22A546, 2012.
Structural, electrical, and optical properties of hydrogen-doped ZnO films Journal Article
In: Phys. Rev. B, vol. 86, pp. 115334, 2012.
Ab initio description of quasiparticle band structures and optical near-edge absorption of transparent conducting oxides Journal Article
In: J. Mater. Res., vol. 27, pp. 2180–2189, 2012.
Energetics and approximate quasiparticle electronic structure of low-index surfaces of SnO_2 Journal Article
In: Phys. Rev. B, vol. 86, pp. 075320, 2012.
Distribution of cations in wurtzitic In_x Ga_1-x N and In_x Al_1-x N alloys: Consequences for energetics and quasiparticle electronic structures Journal Article
In: Phys. Rev. B, vol. 85, pp. 115121, 2012.
First-Principles Optical Spectra for F Centers in MgO Journal Article
In: Phys. Rev. Lett., vol. 108, pp. 126404, 2012.
Real-structure effects: Absorption edge of Mg_x Zn_1-x O, Cd_x Zn_1-x O, and n-type ZnO from ab-initio calculations Journal Article
In: Proc. SPIE, vol. 8263, pp. 826309, 2012.
Clustering of N impurities in ZnO Journal Article
In: Appl. Phys. Lett., vol. 100, pp. 022107, 2012.
Band discontinuities at Si-TCO interfaces from quasiparticle calculations: Comparison of two alignment approaches Journal Article
In: Phys. Rev. B, vol. 85, pp. 035305, 2012.
2011
Optical Absorption in Degenerately Doped Semiconductors: Mott Transition or Mahan Excitons? Journal Article
In: Phys. Rev. Lett., vol. 107, pp. 236405, 2011.
Influence of exchange and correlation on structural and electronic properties of AlN, GaN, and InN polytypes Journal Article
In: Phys. Rev. B, vol. 84, pp. 195105, 2011.
Cubic inclusions in hexagonal AlN, GaN, and InN: Electronic states Journal Article
In: Phys. Rev. B, vol. 84, pp. 125108, 2011.
Interplay of excitonic effects and van Hove singularities in optical spectra: CaO and AlN polymorphs Journal Article
In: Phys. Rev. B, vol. 84, pp. 075218, 2011.
Electronic and optical properties of Mg_x Zn_1-x O and Cd_x Zn_1-x O from ab initio calculations Journal Article
In: New J. Phys., vol. 13, pp. 085012, 2011.
Tin dioxide from first principles: Quasiparticle electronic states and optical properties Journal Article
In: Phys. Rev. B, vol. 83, pp. 035116, 2011.
Electronic and optical properties of MgO, ZnO, and CdO Book
Südwestdeutscher Verlag für Hochschulschriften, 2011, ISBN: 3838127668.
2010
Valence-band splittings in cubic and hexagonal AlN, GaN, and InN Journal Article
In: Appl. Phys. Lett., vol. 97, pp. 232101, 2010.
Band lineup between silicon and transparent conducting oxides Journal Article
In: Appl. Phys. Lett., vol. 97, pp. 032116, 2010.
Ab initio description of heterostructural alloys: Thermodynamic and structural properties of Mg_x Zn_1-x O and Cd_x Zn_1-x O Journal Article
In: Phys. Rev. B, vol. 81, pp. 245210, 2010.
Free-carrier absorption in nitrides from first principles Journal Article
In: Phys. Rev. B Rapid Comm., vol. 81, pp. 241201, 2010.
Exciting Imperfection: Real-structure effects in magnesium-, cadmium-, and zinc-oxide PhD Thesis
Friedrich-Schiller-Universität, 2010.
2009
Band-structure and optical-transition parameters of wurtzite MgO, ZnO, and CdO from quasiparticle calculations Journal Article
In: physica status solidi (b), vol. 246, no. 9, pp. 2150-2153, 2009.
Optical and energy-loss spectra of MgO, ZnO, and CdO from ab initio many-body calculations Journal Article
In: Phys. Rev. B, vol. 80, pp. 035112, 2009.
In: Phys. Rev. B, vol. 79, pp. 205205, 2009.
Branch-point energies and band discontinuities of III-nitrides and III-/II-oxides from quasiparticle band-structure calculations Journal Article
In: Appl. Phys. Lett., vol. 94, pp. 012104, 2009.
2008
Observation of quantized subband states and evidence for surface electron accumulation in CdO from angle-resolved photoemission spectroscopy Journal Article
In: Phys. Rev. B, vol. 78, pp. 165127, 2008.
Band structure of ZnO from resonant x-ray emission spectroscopy Journal Article
In: Phys. Rev. B, vol. 78, pp. 155114, 2008.
Efficient O(N^2) approach to solve the Bethe-Salpeter equation for excitonic bound states Journal Article
In: Phys. Rev. B, vol. 78, pp. 085103, 2008.
Ab-initio Studies of Electronic and Spectroscopic Properties of MgO, ZnO, and CdO Journal Article
In: J. Kor. Phys. Soc., vol. 53, pp. 2811–2815, 2008.
Electronic structure of single-crystal rocksalt CdO studied by soft x-ray spectroscopies and ab initio calculations Journal Article
In: Phys. Rev. B, vol. 77, pp. 125204, 2008.
2007
Strain influence on valence-band ordering and excitons in ZnO: An ab initio study Journal Article
In: Appl. Phys. Lett., vol. 91, pp. 241915, 2007.
2006
First-principles study of ground- and excited-state properties of MgO, ZnO, and CdO polymorphs Journal Article
In: Phys. Rev. B, vol. 73, pp. 245212, 2006.
Ab-initio Untersuchungen elektronischer und optischer Eigenschaften von Gruppe-II-Oxiden Masters Thesis
Friedrich-Schiller-Universität, Jena, 2006.