John P. Philbin
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View article: Electric Field Control of Magnetic Skyrmion Helicity in a Centrosymmetric 2D van der Waals Magnet
Electric Field Control of Magnetic Skyrmion Helicity in a Centrosymmetric 2D van der Waals Magnet Open
Two-dimensional van der Waals magnets hosting topological magnetic textures, such as skyrmions, show promise for spintronics and quantum computing. Electrical control of these topological spin textures is crucial for enhancing operational …
View article: Electronic superradiance mediated by nuclear dynamics
Electronic superradiance mediated by nuclear dynamics Open
Superradiance, in which the collective behavior of emitters can generate enhanced radiative decay, was first predicted by a model, now known as the Dicke model, that contains a collection of two-level systems (the emitters) all interacting…
View article: Electric-Field Control of Magnetic Skyrmion Chirality in a Centrosymmetric 2D van der Waals Magnet
Electric-Field Control of Magnetic Skyrmion Chirality in a Centrosymmetric 2D van der Waals Magnet Open
Two-dimensional van der Waals magnets hosting topological magnetic textures, such as skyrmions, show promise for applications in spintronics and quantum computing. Electrical control of these topological spin textures would enable novel de…
View article: Anisotropic 2D van der Waals Magnets Hosting 1D Spin Chains
Anisotropic 2D van der Waals Magnets Hosting 1D Spin Chains Open
The exploration of 1D magnetism, frequently portrayed as spin chains, constitutes an actively pursued research field that illuminates fundamental principles in many‐body problems and applications in magnonics and spintronics. The inherent …
View article: Electronic superradiance mediated by nuclear dynamics
Electronic superradiance mediated by nuclear dynamics Open
Superradiance, in which the collective behavior of emitters can generate enhanced radiative decay, was first predicted by a model, now known as the Dicke model, that contains a collection of two-level systems (the emitters) all interacting…
View article: Single molecule superradiance for optical cycling
Single molecule superradiance for optical cycling Open
Herein, we show that single molecules containing multiple optical cycling centers (CaO moieties) can exhibit superradiant phenomena. We demonstrate the accuracy of the Frenkel exciton model at describing these superradiant states via compa…
View article: Molecular van der Waals Fluids in Cavity Quantum Electrodynamics
Molecular van der Waals Fluids in Cavity Quantum Electrodynamics Open
Intermolecular van der Waals interactions are central to chemical and physical phenomena ranging from biomolecule binding to soft-matter phase transitions. In this work, we demonstrate that strong light-matter coupling can be used to contr…
View article: Understanding the polaritonic ground state in cavity quantum electrodynamics
Understanding the polaritonic ground state in cavity quantum electrodynamics Open
Molecular polaritons arise when molecules interact so strongly with light that they become entangled with each other. This light-matter hybridization alters the chemical and physical properties of the molecular system and allows chemical r…
View article: Erratum: “Simulations of nonradiative processes in semiconductor nanocrystals” [J. Chem. Phys. 157, 020901 (2022)]
Erratum: “Simulations of nonradiative processes in semiconductor nanocrystals” [J. Chem. Phys. 157, 020901 (2022)] Open
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View article: Molecular van der Waals fluids in cavity quantum electrodynamics
Molecular van der Waals fluids in cavity quantum electrodynamics Open
Intermolecular van der Waals interactions are central to chemical and physical phenomena ranging from biomolecule binding to soft-matter phase transitions. However, there are currently very limited approaches to manipulate van der Waals in…
View article: Simulations of nonradiative processes in semiconductor nanocrystals
Simulations of nonradiative processes in semiconductor nanocrystals Open
The description of carrier dynamics in spatially confined semiconductor nanocrystals (NCs), which have enhanced electron–hole and exciton–phonon interactions, is a great challenge for modern computational science. These NCs typically conta…
View article: Chemical reactions in imperfect cavities: enhancement, suppression, and resonance
Chemical reactions in imperfect cavities: enhancement, suppression, and resonance Open
The use of optical cavities to control chemical reactions has been of great interest recently, following demonstrations of enhancement, suppression, and negligible effects on chemical reaction rates depending on the specific reaction and c…
View article: Asymmetric Spin Transport in Colloidal Quantum Dot Junctions
Asymmetric Spin Transport in Colloidal Quantum Dot Junctions Open
The study of charge and spin transport through semiconductor quantum dots is experiencing a renaissance due to recent advances in nanofabrication and the realization of quantum dots as candidates for quantum computing. In this work, we com…
View article: Computational Materials Insights Into Solid-State Multiqubit Systems
Computational Materials Insights Into Solid-State Multiqubit Systems Open
The field of materials for quantum information science is rapidly growing with a focus on scaling and integrating new solid-state qubits. However, despite the extraordinary progress, major challenges must still be overcome for scaling. Spe…
View article: Room temperature single-photon superfluorescence from a single epitaxial cuboid nano-heterostructure
Room temperature single-photon superfluorescence from a single epitaxial cuboid nano-heterostructure Open
Single-photon superradiance can emerge when a collection of identical emitters are spatially separated by distances much less than the wavelength of the light they emit, and is characterized by the formation of a superradiant state that sp…
View article: Dynamic lattice distortions driven by surface trapping in semiconductor nanocrystals
Dynamic lattice distortions driven by surface trapping in semiconductor nanocrystals Open
Nonradiative processes limit optoelectronic functionality of nanocrystals and curb their device performance. Nevertheless, the dynamic structural origins of nonradiative relaxations in such materials are not understood. Here, femtosecond e…
View article: Spin-Dependent Transport Through a Colloidal Quantum Dot: The Role of Exchange Interactions
Spin-Dependent Transport Through a Colloidal Quantum Dot: The Role of Exchange Interactions Open
The study of charge and spin transport through semiconductor quantum dots is experiencing a renaissance due to recent advances in nano-fabrication and the realization of quantum dots as candidates for quantum computing. In this work, we co…
View article: Colloidal Synthesis Path to 2D Crystalline Quantum Dot Superlattices
Colloidal Synthesis Path to 2D Crystalline Quantum Dot Superlattices Open
By combining colloidal nanocrystal synthesis, self-assembly, and solution phase epitaxial growth techniques, we developed a general method for preparing single dot thick atomically attached quantum dot (QD) superlattices with high-quality …
View article: Uncovering the Role of Hole Traps in Promoting Hole Transfer from Multiexcitonic Quantum Dots to Molecular Acceptors
Uncovering the Role of Hole Traps in Promoting Hole Transfer from Multiexcitonic Quantum Dots to Molecular Acceptors Open
Understanding electronic dynamics in multiexcitonic quantum dots (QDs) is important for designing efficient systems useful in high power scenarios, such as solar concentrators and multielectron charge transfer. The multiple charge carriers…
View article: Area and thickness dependence of Auger recombination in nanoplatelets
Area and thickness dependence of Auger recombination in nanoplatelets Open
The ability to control both the thickness and the lateral dimensions of colloidal nanoplatelets offers a test-bed for area and thickness dependent properties in 2D materials. An important example is Auger recombination, which is typically …
View article: Auger Recombination Lifetime Scaling for Type I and Quasi-Type II Core/Shell Quantum Dots
Auger Recombination Lifetime Scaling for Type I and Quasi-Type II Core/Shell Quantum Dots Open
Having already achieved near-unity quantum yields, with promising properties for light-emitting diode, lasing, and charge separation applications, colloidal core/shell quantum dots have great technological potential. The shell thickness an…
View article: Auger Recombination Lifetime Scaling for Type-I and Quasi-Type-II\n Core/Shell Quantum Dots
Auger Recombination Lifetime Scaling for Type-I and Quasi-Type-II\n Core/Shell Quantum Dots Open
Having already achieved near-unity quantum yields, with promising properties\nfor light-emitting diode, lasing, and charge separation applications, colloidal\ncore/shell quantum dots have great technological potential. The shell thickness\…
View article: Colloidal Atomic Layer Deposition with Stationary Reactant Phases Enables Precise Synthesis of “Digital” II–VI Nano-heterostructures with Exquisite Control of Confinement and Strain
Colloidal Atomic Layer Deposition with Stationary Reactant Phases Enables Precise Synthesis of “Digital” II–VI Nano-heterostructures with Exquisite Control of Confinement and Strain Open
In contrast to molecular systems, which are defined with atomic precision, nanomaterials generally show some heterogeneity in size, shape, and composition. The sample inhomogeneity translates into a distribution of energy levels, band gaps…
View article: Resilient Pathways to Atomic Attachment of Quantum Dot Dimers and Artificial Solids from Faceted CdSe Quantum Dot Building Blocks
Resilient Pathways to Atomic Attachment of Quantum Dot Dimers and Artificial Solids from Faceted CdSe Quantum Dot Building Blocks Open
The goal of this work is to identify favored pathways for preparation of defect-resilient attached wurtzite CdX (X = S, Se, Te) nanocrystals. We seek guidelines for oriented attachment of faceted nanocrystals that are most likely to yield …
View article: Determination of the In-Plane Exciton Radius in 2D CdSe Nanoplatelets <i>via</i> Magneto-optical Spectroscopy
Determination of the In-Plane Exciton Radius in 2D CdSe Nanoplatelets <i>via</i> Magneto-optical Spectroscopy Open
Colloidal, two-dimensional semiconductor nanoplatelets (NPLs) exhibit quantum confinement in only one dimension, which results in an electronic structure that is significantly altered compared to that of other quantum-confined nanomaterial…
View article: Electron–Hole Correlations Govern Auger Recombination in Nanostructures
Electron–Hole Correlations Govern Auger Recombination in Nanostructures Open
The fast nonradiative decay of multiexcitonic states via Auger recombination is a fundamental process affecting a variety of applications based on semiconductor nanostructures. From a theoretical perspective, the description of Auger recom…
View article: Charge Carrier Dynamics in Photocatalytic Hybrid Semiconductor–Metal Nanorods: Crossover from Auger Recombination to Charge Transfer
Charge Carrier Dynamics in Photocatalytic Hybrid Semiconductor–Metal Nanorods: Crossover from Auger Recombination to Charge Transfer Open
Hybrid semiconductor-metal nanoparticles (HNPs) manifest unique, synergistic electronic and optical properties as a result of combining semiconductor and metal physics via a controlled interface. These structures can exhibit spatial charge…
View article: Corrigendum: Programming A Molecular Relay for Ultrasensitive Biodetection through <sup>129</sup>Xe NMR
Corrigendum: Programming A Molecular Relay for Ultrasensitive Biodetection through <sup>129</sup>Xe NMR Open
The acknowledgement section in this Communication should read as follows. “This work was supported by NIH R01-GM097478 and CDMRP-LCRP Concept Award no. LC130824. The ITC was purchased via NIH S10-DO016260. We thank Drs. George Furst and Ju…