Search Results - "Varley, Joel B"

Structural and electronic properties of Ga2O3-Al2O3 alloys by Peelaers, Hartwin, Varley, Joel B., Speck, James S., Van de Walle, Chris G.

“…Ga2O3 is emerging as an important electronic material. Alloying with Al2O3 is a viable method to achieve carrier confinement, to increase the bandgap, or to…”
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Understanding Trends in the Electrocatalytic Activity of Metals and Enzymes for CO2 Reduction to CO by Hansen, Heine A, Varley, Joel B, Peterson, Andrew A, Nørskov, Jens K

“…We develop a model based on density functional theory calculations to describe trends in catalytic activity for CO2 electroreduction to CO in terms of the…”
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Structural, Chemical, and Dynamical Frustration: Origins of Superionic Conductivity in closo-Borate Solid Electrolytes by Kweon, Kyoung E, Varley, Joel B, Shea, Patrick, Adelstein, Nicole, Mehta, Prateek, Heo, Tae Wook, Udovic, Terrence J, Stavila, Vitalie, Wood, Brandon C

“…Li2B12H12, Na2B12H12, and their closo-borate relatives exhibit unusually high ionic conductivity, making them attractive as a new class of candidate…”
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MOCVD growth of Si-doped α-(AlGa)2O3 on m-plane α-Al2O3 substrates by Okumura, Hironori, Varley, Joel B.

“…We reported the growth of (AlGa)2O3 layers on (1010̅) α-Al2O3 substrates using cold-wall metalorganic chemical vapor deposition, and the electrical…”
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The Mechanism of CO and CO2 Hydrogenation to Methanol over Cu-Based Catalysts by Studt, Felix, Behrens, Malte, Kunkes, Edward L., Thomas, Nygil, Zander, Stefan, Tarasov, Andrey, Schumann, Julia, Frei, Elias, Varley, Joel B., Abild-Pedersen, Frank, Nørskov, Jens K., Schlögl, Robert

“…Methanol, an important chemical, fuel additive, and precursor for clean fuels, is produced by hydrogenation of carbon oxides over Cu‐based catalysts. Despite…”
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High-Throughput Design of Non-oxide p‑Type Transparent Conducting Materials: Data Mining, Search Strategy, and Identification of Boron Phosphide by Varley, Joel B, Miglio, Anna, Ha, Viet-Anh, van Setten, Michiel J, Rignanese, Gian-Marco, Hautier, Geoffroy

“…High-performance p-type transparent conducting materials (TCMs) are needed in a wide range of applications ranging from solar cells to transparent electronics…”
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Toward Engineering of Solution Microenvironments for the CO2 Reduction Reaction: Unraveling pH and Voltage Effects from a Combined Density-Functional–Continuum Theory by Weitzner, Stephen E, Akhade, Sneha A, Varley, Joel B, Wood, Brandon C, Otani, Minoru, Baker, Sarah E, Duoss, Eric B

“…Engineering the electrolyte microenvironment represents an attractive route to tuning the selectivity of electrocatalytic reactions beyond catalyst composition…”
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Carbon Incorporation and Anion Dynamics as Synergistic Drivers for Ultrafast Diffusion in Superionic LiCB11H12 and NaCB11H12 by Dimitrievska, Mirjana, Shea, Patrick, Kweon, Kyoung E., Bercx, Marnik, Varley, Joel B., Tang, Wan Si, Skripov, Alexander V., Stavila, Vitalie, Udovic, Terrence J., Wood, Brandon C.

“…The disordered phases of LiCB11H12 and NaCB11H12 possess superb superionic conductivities that make them suitable as solid electrolytes. In these materials,…”
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Indium Gallium Oxide Alloys: Electronic Structure, Optical Gap, Surface Space Charge, and Chemical Trends within Common-Cation Semiconductors by Swallow, Jack E. N, Palgrave, Robert G, Murgatroyd, Philip A. E, Regoutz, Anna, Lorenz, Michael, Hassa, Anna, Grundmann, Marius, von Wenckstern, Holger, Varley, Joel B, Veal, Tim D

“…The electronic and optical properties of (In x Ga1–x )2O3 alloys are highly tunable, giving rise to a myriad of applications including transparent conductors,…”
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Paradigms of frustration in superionic solid electrolytes by Wood, Brandon C, Varley, Joel B, Kweon, Kyoung E, Shea, Patrick, Hall, Alex T, Grieder, Andrew, Ward, Michaele, Aguirre, Vincent P, Rigling, Dylan, Lopez Ventura, Eduardoe, Stancill, Chimara, Adelstein, Nicole

“…Superionic solid electrolytes have widespread use in energy devices, but the fundamental motivations for fast ion conduction are often elusive. In this…”
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Understanding Superionic Conductivity in Lithium and Sodium Salts of Weakly Coordinating Closo-Hexahalocarbaborate Anions by Jørgensen, Mathias, Shea, Patrick T, Tomich, Anton W, Varley, Joel B, Bercx, Marnik, Lovera, Sergio, Černý, Radovan, Zhou, Wei, Udovic, Terrence J, Lavallo, Vincent, Jensen, Torben R, Wood, Brandon C, Stavila, Vitalie

“…Solid-state ion conductors based on closo-polyborate anions combine high ionic conductivity with a rich array of tunable properties. Cation mobility in these…”
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The role of water vapor during the synthesis of hydrogen doped In2O3 by Samanta, Amit, Varley, Joel B., Lordi, Vincenzo

“…Hydrogen-doped In2O3 synthesized using magnetron sputtering or atomic layer deposition in the presence of water vapor has high transparency in the near…”
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Understanding Ionic Conductivity Trends in Polyborane Solid Electrolytes from Ab Initio Molecular Dynamics by Varley, Joel B, Kweon, Kyoung, Mehta, Prateek, Shea, Patrick, Heo, Tae Wook, Udovic, Terrence J, Stavila, Vitalie, Wood, Brandon C

“…Polyborane salts based on B12H12 2–, B10H10 2–, CB11H12 –, and CB9H10 – demonstrate high Li and Na superionic conductivity that makes them attractive as…”
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First-principles calculations of structural, electrical, and optical properties of ultra-wide bandgap (AlxGa1-x)2O3 alloys by Varley, Joel B.

“…Alloys between Ga 2 O 3 and Al 2 O 3 (AGO) present a rich material space exhibiting numerous structural phases with unique optoelectronic properties that make…”
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Magnetic stability of oxygen defects on the SiO2 surface by Adelstein, Nicole, Lee, Donghwa, DuBois, Jonathan L., Ray, Keith G., Varley, Joel B., Lordi, Vincenzo

“…The magnetic stability of E′ centers and the peroxy radical on the surface of α-quartz is investigated with first-principles calculations to understand their…”
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Donor doping of corundum (AlxGa1−x)2O3 by Wickramaratne, Darshana, Varley, Joel B., Lyons, John L.

“…Corundum (AlxGa1−x)2O3 alloys have been proposed as a candidate ultrawide-bandgap oxide for a number of applications, but doping is unexplored. We examine the…”
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Descriptor-Based Approach for the Prediction of Cation Vacancy Formation Energies and Transition Levels by Varley, Joel B, Samanta, Amit, Lordi, Vincenzo

“…Point defects largely determine the observed optical and electrical properties of a given material, yet the characterization and identification of defects has…”
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Dangling Bonds as Possible Contributors to Charge Noise in Silicon and Silicon–Germanium Quantum Dot Qubits by Varley, Joel B., Ray, Keith G., Lordi, Vincenzo

“…Spin qubits based on Si and Si1–x Ge x quantum dot architectures exhibit among the best coherence times of competing quantum computing technologies, yet they…”
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Deep acceptors and their diffusion in Ga2O3 by Peelaers, Hartwin, Lyons, John L., Varley, Joel B., Van de Walle, Chris G.

“…β–Ga2O3 is a wide-bandgap material with promising applications in high-power electronics. While n-type doping is straightforward, p-type doping is elusive,…”
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Erratum: “Donor doping of corundum (AlxGa1−x)2O3” [Appl. Phys. Lett. 121, 042110 (2022)] by Wickramaratne, Darshana, Varley, Joel B., Lyons, John L.

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