Search Results - "LaPierre, Ray R"

GaAs Core−Shell Nanowires for Photovoltaic Applications by Czaban, Josef A, Thompson, David A, LaPierre, Ray R

“…We report the use of Te as an n-type dopant in GaAs core−shell p-n junction nanowires for use in photovoltaic devices. Te produced significant change in the…”
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Growth and Characterization of GaAs Nanowires on Carbon Nanotube Composite Films: Toward Flexible Nanodevices by Mohseni, Parsian K, Lawson, Gregor, Couteau, Christophe, Weihs, Gregor, Adronov, Alex, LaPierre, Ray R

“…Poly(ethylene imine) functionalized carbon nanotube thin films, prepared using the vacuum filtration method, were decorated with Au nanoparticles by in situ…”
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Be, Te, and Si Doping of GaAs Nanowires: Theory and Experiment by Dubrovskii, Vladimir G, Hijazi, Hadi, Goktas, Nebile Isik, LaPierre, Ray R

“…Controllable doping of III–V nanowires grown by the vapor–liquid–solid method remains a challenging task. In sharp contrast to planar layers of the same…”
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Conformal Growth of Radial InGaAs Quantum Wells in GaAs Nanowires by Goktas, Nebile Isik, Dubrovskii, Vladimir G, LaPierre, Ray R

“…GaAs-InGaAs-GaAs core–shell–shell nanowire (NW) structures were grown by gas source molecular beam epitaxy using the selective-area, self-assisted,…”
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Formation Mechanism of Twinning Superlattices in Doped GaAs Nanowires by Isik Goktas, Nebile, Sokolovskii, Andrei, Dubrovskii, Vladimir G, LaPierre, Ray R

“…Recent investigations of III–V semiconductor nanowires have revealed periodic zinc-blende twins, known as twinning superlattices, that are often induced by a…”
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Phase Diagram for Twinning Superlattice Te-Doped GaAs Nanowires by Ghukasyan, Ara, Goktas, Nebile Isik, Dubrovskii, Vladimir G, LaPierre, Ray R

“…Twinning superlattices (TSLs) are a growing class of semiconductor structures proposed as a means of phonon and optical engineering in nanowires (NWs). In this…”
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Efficient wave optics modeling of nanowire solar cells using rigorous coupled-wave analysis by Robertson, Kyle W, LaPierre, Ray R, Krich, Jacob J

“…We investigate the accuracy of rigorous coupled-wave analysis (RCWA) for near-field computations within cylindrical GaAs nanowire solar cells and discover…”
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Si Doping of Vapor–Liquid–Solid GaAs Nanowires: n‑Type or p‑Type? by Hijazi, Hadi, Monier, Guillaume, Gil, Evelyne, Trassoudaine, Agnès, Bougerol, Catherine, Leroux, Christine, Castellucci, Dominique, Robert-Goumet, Christine, Hoggan, Philip E, André, Yamina, Isik Goktas, Nebile, LaPierre, Ray R, Dubrovskii, Vladimir G

“…The incorporation of Si into vapor–liquid–solid GaAs nanowires often leads to p-type doping, whereas it is routinely used as an n-dopant of planar layers. This…”
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Selective Area Growth by Hydride Vapor Phase Epitaxy and Optical Properties of InAs Nanowire Arrays by Grégoire, Gabin, Zeghouane, Mohammed, Goosney, Curtis, Goktas, Nebile Isik, Staudinger, Philipp, Schmid, Heinz, Moselund, Kirsten E, Taliercio, Thierry, Tournié, Eric, Trassoudaine, Agnès, Gil, Evelyne, LaPierre, Ray R, André, Yamina

“…We report on the selective area growth of InAs nanowires (NWs) by the catalyst-free vapor–solid method. Well-ordered InAs NWs were grown on GaAs(111)B and…”
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Polytype formation in GaAs/GaP axial nanowire heterostructures by Boulanger, Jonathan P., LaPierre, Ray R.

“…Transmission electron microscopy (TEM) studies are presented for Au-assisted vapor–liquid–solid (VLS) nanowire growth of gallium arsenide/gallium phosphide…”
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Optimizations of GaAs Nanowire Solar Cells by Trojnar, Anna H., Valdivia, Christopher E., LaPierre, Ray R., Hinzer, Karin, Krich, Jacob J.

“…The efficiency of GaAs nanowire (NW) solar cells can be significantly improved with no new processing steps or material requirements. We report coupled…”
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Electron transport in InAs-InAlAs core-shell nanowires by Holloway, Gregory W., Song, Yipu, Haapamaki, Chris M., LaPierre, Ray R., Baugh, Jonathan

“…Evidence is given for the effectiveness of InAs surface passivation by the growth of an epitaxial In0.8Al0.2As shell. The electron mobility is measured as a…”
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Photovoltaic Light Funnels Grown by GaAs Nanowire Droplet Dynamics by Wilson, Debra P., Sokolovskii, Andrei S., Goktas, Nebile I., Dubrovskii, Vladimir G., LaPierre, Ray R.

“…GaAs nanowire (NW) arrays were grown on Si substrates by selective-area molecular beam epitaxy (MBE) using the self-assisted vapor-liquid-solid (VLS) method…”
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Optical and structural analysis of ultra-long GaAs nanowires after nitrogen-plasma passivation by André, Yamina, Isik Goktas, Nebile, Monier, Guillaume, Hijazi, Hadi, Mehdi, Hussein, Bougerol, Catherine, Bideux, Luc, Trassoudaine, Agnès, Paget, Daniel, Leymarie, Joël, Gil, Evelyne, Robert-Goumet, Christine, LaPierre, Ray R

“…The structural and optical properties of individual ultra-long GaAs nanowires (NWs) were studied after different nitrogen passivation process conditions. The…”
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Hybrid GaAs-Nanowire-Carbon-Nanotube Flexible Photovoltaics by Mohseni, P. K., Lawson, G., Adronov, A., LaPierre, R. R.

“…A simple method is described for the preparation of carbon nanotube (CNT) composite films containing Au nanoparticles, which act as adatom collection agents…”
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Ultrathin Te-Doped GaP Nanoantenna with Crystal Phase Transitions by Diak, Ethan, Thomas, Amanda, Dubrovskii, Vladimir G., LaPierre, Ray R.

“…We report Te-doped GaP nanowires (NWs) with positive tapering and radii measuring as low as 5 nm grown by the self-assisted vapor–liquid–solid mechanism using…”
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Magnetoconductance signatures of subband structure in semiconductor nanowires by Holloway, Gregory W., Shiri, Daryoush, Haapamaki, Chris M., Willick, Kyle, Watson, Grant, LaPierre, Ray R., Baugh, Jonathan

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InAsSb pillars for multispectral long-wavelength infrared absorption by Goosney, Curtis J., Jarvis, Victoria M., Britten, James F., LaPierre, Ray R.

“…•InAsSb films were deposited on (100) silicon substrate using an AlSb buffer layer.•X-ray diffraction analysis indicated a preferred (100) film…”
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Phosphorus-Controlled Nanoepitaxy of Asymmetric GaAs–InP Core–Shell Bent Nanowires: Implications for Bottom-Up Nanowire Transistors and Sensors by McDermott, Spencer, Smith, Trevor R., LaPierre, Ray R., Lewis, Ryan B.

“…Breakthroughs extending nanostructure engineering beyond what is possible with current fabrication techniques will be crucial for enabling next-generation…”
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Selective Area Growth of GaAs Nanowires and Microplatelet Arrays on Silicon by Hydride Vapor-Phase Epitaxy by Zeghouane, Mohammed, Grégoire, Gabin, Chereau, Emmanuel, Avit, Geoffrey, Staudinger, Philipp, Moselund, Kirsten E., Schmid, Heinz, Coulon, Pierre-Marie, Shields, Philip, Isik Goktas, Nebile, LaPierre, Ray R., Trassoudaine, Agnès, André, Yamina, Gil, Evelyne

“…In this work, we demonstrate the growth of vertically oriented GaAs nanowires (NWs) and microplatelets directly on a patterned SiO2/Si­(111) substrate by…”
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