Search Results - "Cahoon, James F"

Optical Bound States in the Continuum with Nanowire Geometric Superlattices by Kim, Seokhyoung, Kim, Kyoung-Ho, Cahoon, James F

“…Perfect trapping of light in a subwavelength cavity is a key goal in nanophotonics. Perfect trapping has been realized with optical bound states in the…”
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Tuning Light Absorption in Core/Shell Silicon Nanowire Photovoltaic Devices through Morphological Design by Kim, Sun-Kyung, Day, Robert W, Cahoon, James F, Kempa, Thomas J, Song, Kyung-Deok, Park, Hong-Gyu, Lieber, Charles M

“…Subwavelength diameter semiconductor nanowires can support optical resonances with anomalously large absorption cross sections, and thus tailoring these…”
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Remote nongenetic optical modulation of neuronal activity using fuzzy graphene by Rastogi, Sahil K., Garg, Raghav, Scopelliti, Matteo Giuseppe, Pinto, Bernardo I., Hartung, Jane E., Kim, Seokhyoung, Murphey, Corban G. E., Johnson, Nicholas, San Roman, Daniel, Bezanilla, Francisco, Cahoon, James F., Gold, Michael S., Chamanzar, Maysam, Cohen-Karni, Tzahi

“…The ability to modulate cellular electrophysiology is fundamental to the investigation of development, function, and disease. Currently, there is a need for…”
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Coaxial multishell nanowires with high-quality electronic interfaces and tunable optical cavities for ultrathin photovoltaics by Kempa, Thomas J, Cahoon, James F, Kim, Sun-Kyung, Day, Robert W, Bell, David C, Park, Hong-Gyu, Lieber, Charles M

“…Silicon nanowires (NWs) could enable low-cost and efficient photovoltaics, though their performance has been limited by nonideal electrical characteristics and…”
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Designing Morphology in Epitaxial Silicon Nanowires: The Role of Gold, Surface Chemistry, and Phosphorus Doping by Kim, Seokhyoung, Hill, David J., Pinion, Christopher W., Christesen, Joseph D., McBride, James R., Cahoon, James F.

“…Vertically aligned semiconductor nanowires (NWs) have many potential applications for NW-based technologies, ranging from solar cells to intracellular sensors…”
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Synthetically Encoding 10 nm Morphology in Silicon Nanowires by Christesen, Joseph D, Pinion, Christopher W, Grumstrup, Erik M, Papanikolas, John M, Cahoon, James F

“…Si nanowires (NWs) have been widely explored as a platform for photonic and electronic technologies. Here, we report a bottom-up method to break the…”
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Synthetically Encoded Ultrashort-Channel Nanowire Transistors for Fast, Pointlike Cellular Signal Detection by Cohen-Karni, Tzahi, Casanova, Didier, Cahoon, James F, Qing, Quan, Bell, David C, Lieber, Charles M

“…Nanostructures, which have sizes comparable to biological functional units involved in cellular communication, offer the potential for enhanced sensitivity and…”
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Direct Imaging of Free Carrier and Trap Carrier Motion in Silicon Nanowires by Spatially-Separated Femtosecond Pump–Probe Microscopy by Gabriel, Michelle M, Kirschbrown, Justin R, Christesen, Joseph D, Pinion, Christopher W, Zigler, David F, Grumstrup, Erik M, Mehl, Brian P, Cating, Emma E. M, Cahoon, James F, Papanikolas, John M

“…We have developed a pump–probe microscope capable of exciting a single semiconductor nanostructure in one location and probing it in another with both high…”
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Mie-coupled bound guided states in nanowire geometric superlattices by Kim, Seokhyoung, Kim, Kyoung-Ho, Hill, David J., Park, Hong-Gyu, Cahoon, James F.

“…All-optical operation holds promise as the future of computing technology, and key components include miniaturized waveguides (WGs) and couplers that control…”
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Determining Transition-State Geometries in Liquids Using 2D-IR by Cahoon, James F, Sawyer, Karma R, Schlegel, Jacob P, Harris, Charles B

“…Many properties of chemical reactions are determined by the transition state connecting reactant and product, yet it is difficult to directly obtain any…”
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Identifying Crystallization- and Incorporation-Limited Regimes during Vapor–Liquid–Solid Growth of Si Nanowires by Pinion, Christopher W, Nenon, David P, Christesen, Joseph D, Cahoon, James F

“…The vapor–liquid–solid (VLS) mechanism is widely used for the synthesis of semiconductor nanowires (NWs), yet several aspects of the mechanism are not fully…”
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Chemically Engraving Semiconductor Nanowires: Using Three-Dimensional Nanoscale Morphology to Encode Functionality from the Bottom Up by Christesen, Joseph D, Pinion, Christopher W, Hill, David J, Kim, Seokhyoung, Cahoon, James F

“…The patterning of semiconductors with nanometer-scale precision is a cornerstone of modern technology. Top-down methods, ranging from photolithography to…”
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Hierarchically-Structured NiO Nanoplatelets as Mesoscale p‑Type Photocathodes for Dye-Sensitized Solar Cells by Flynn, Cory J, Oh, EunBi E, McCullough, Shannon M, Call, Robert W, Donley, Carrie L, Lopez, Rene, Cahoon, James F

“…A p-type metal oxide with high surface area and good charge carrier mobility is of paramount importance for development of tandem solar fuel and dye-sensitized…”
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Omega‐Gate Silicon Nanowire Geometric Diodes with Reconfigurable Self‐Switching Operation and THz Rectification by White, Kelly L., Rogelberg, Gordon V., Custer, James P., Cahoon, James F.

“…Abstract Geometric diodes (GDs) represent a relatively unconventional class of diode that produces an asymmetric current response through carrier transport in…”
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Reconfigurable Complementary and Combinational Logic Based on Monolithic and Single‐Crystalline Al‐Si Heterostructures by Böckle, Raphael, Sistani, Masiar, Bažíková, Martina, Wind, Lukas, Sadre‐Momtaz, Zahra, den Hertog, Martien I., Murphey, Corban G. E., Cahoon, James F., Weber, Walter M.

“…Metal‐semiconductor heterostructures providing geometrically reproducible and abrupt Schottky nanojunctions are highly anticipated for the realization of…”
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Nanoscale Reconfigurable Si Transistors: From Wires to Sheets and Unto Multi‐Wire Channels by Wind, Lukas, Behrle, Raphael, den Hertog, Martien I., Murphey, Corban G. E., Cahoon, James F., Sistani, Masiar, Weber, Walter M.

“…In this work, bottom‐up Al–Si–Al nanowire (NW) heterostructures are presented, which act as a prototype vehicle toward top‐down fabricated nanosheet (NS) and…”
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Observation of Phonon Propagation in Germanium Nanowires Using Femtosecond Pump–Probe Microscopy by Van Goethem, Erika M, Pinion, Christopher W, Cating, Emma E. M, Cahoon, James F, Papanikolas, John M

“…The excited-state dynamics in individual Ge nanowires (NWs) are imaged using ultrafast pump–probe microscopy with high spatial (∼600 nm) and temporal (∼500 fs)…”
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Imaging Spatial Variations in the Dissipation and Transport of Thermal Energy within Individual Silicon Nanowires Using Ultrafast Microscopy by Cating, Emma E. M, Pinion, Christopher W, Van Goethem, Erika M, Gabriel, Michelle M, Cahoon, James F, Papanikolas, John M

“…Thermal management is an important consideration for most nanoelectronic devices, and an understanding of the thermal conductivity of individual device…”
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Geometric Nanophotonics: Light Management in Single Nanowires through Morphology by Kim, Seokhyoung, Cahoon, James F

“…Conspectus Comprehensive control of light–matter interactions at the nanoscale is increasingly important for the development of miniaturized light-based…”
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Direct Observation of Metal Ketenes Formed by Photoexcitation of a Fischer Carbene using Ultrafast Infrared Spectroscopy by Nguyen, Son C, Lomont, Justin P, Zoerb, Matthew C, Pham, Phong V, Cahoon, James F, Harris, Charles B

“…Fischer carbenes are commonly used as reagents in the synthesis of new carbon–carbon bonds, a reaction made possible by the unique chemistry of the formal…”
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