Search Results - "Vaccaro, P. O."

Selective optical generation of coherent acoustic nanocavity modes by Pascual Winter, M F, Rozas, G, Fainstein, A, Jusserand, B, Perrin, B, Huynh, A, Vaccaro, P O, Saravanan, S

“…Femtosecond pump-probe experiments on a Ga0.85In0.15As nanocavity enclosed by two Ga(0.85)In(0.15)As/AlAs phonon Bragg mirrors reveal selective generation of…”
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Quantum-well microtube constructed from a freestanding thin quantum-well layer by Hosoda, M., Kishimoto, Y., Sato, M., Nashima, S., Kubota, K., Saravanan, S., Vaccaro, P. O., Aida, T., Ohtani, N.

“…We fabricated and experimentally investigated a nanostructure known as a quantum-well (QW) microtube, which is a fine tube with a micron- or nanometer-order…”
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Composition and Strain Imaging of Epitaxial In-Plane SiGe Alloy Nanowires by Micro-Raman Spectroscopy by Alonso, M. I, Bailo, E, Garriga, M, Molero, A, Vaccaro, P. O, Goñi, A. R, Ruiz, A, Alonso, M

“…We report micro-Raman imaging of in-plane SiGe alloy nanowires grown by molecular beam epitaxy on Si(001) substrates. The spatial resolution of the Raman…”
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Strain profile of the wall of semiconductor microtubes: A micro-Raman study by Bernardi, A., Lacharmoise, P. D., Goñi, A. R., Alonso, M. I., Vaccaro, P. O., Saito, N.

“…We have investigated three‐dimensional nanostructures consisting of microtubes fabricated by rolling‐up III–V semiconductor multilayers. Through micro‐Raman…”
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Nonradiative centers in InAs quantum dots revealed by two-wavelength excited photoluminescence by Kamata, N., Saravanan, S., Zanardi Ocampo, J.M., Vaccaro, P.O., Arakawa, Y.

“…We studied nonradiative recombination centers in MBE-grown InAs/GaAs quantum dot (QD) structures with photoluminescence (PL) peak energies between 1.12 and…”
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Localized thinning for strain concentration in suspended germanium membranes and optical method for precise thickness measurement by Vaccaro, P. O., Alonso, M. I., Garriga, M., Gutiérrez, J., Peró, D., Wagner, M. R., Reparaz, J. S., Sotomayor Torres, C. M., Vidal, X., Carter, E. A., Lay, P. A., Yoshimoto, M., Goñi, A. R.

“…We deposited Ge layers on (001) Si substrates by molecular beam epitaxy and used them to fabricate suspended membranes with high uniaxial tensile strain. We…”
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Optical properties of self-assembled InAs quantum dots grown on GaAs(211)A substrate by Sugimura, A, Ohnishi, K, Umezu, I, Vaccaro, P.O

“…We have investigated the photoluminescence (PL) and growth properties of self-assembled InAs/GaAs quantum dots (QD) grown on (211)A-oriented GaAs substrate in…”
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Optoelectronic devices based on lateral p-n junctions fabricated by molecular-beam epitaxy growth of silicon-doped GaAs on patterned (311)A-oriented substrates by Vaccaro, P.O., Fujita, K.

“…We demonstrate light-emitting diodes, a vertical-cavity surface-emitting laser (VCSEL), and a photodiode fabricated using a lateral p-n junction. The lateral…”
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Lateral-junction light emitting devices grown by molecular beam epitaxy on GaAs (311)A-oriented substrates by Vaccaro, P.O, Ohnishi, H, Fujita, K

“…Light emitting diodes with an unconventional design were made on patterned GaAs (311)A-oriented substrates. A lateral p–n junction was formed in the…”
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Nano-oxidation of vanadium thin films using atomic force microscopy by VACCARO, P. O, SAKATA, S, YAMAOKA, S, UMEZU, I, SUGIMURA, A

“…We successfully applied the AFM nano-oxidation process to vanadium thin films for the first time. The oxidized line width is smaller and the height is higher…”
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Piezoelectric semiconductor acoustic cavities by Rozas, G., Pascual Winter, M. F., Fainstein, A., Jusserand, B., Vaccaro, P. O., Saravanan, S., Saito, N.

“…We describe semiconductor cavities based on strained Ga0.85In0.15As/AlAs multilayers with permanent built-in piezoelectric fields that confine acoustic phonons…”
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Photoluminescence of GaAs/AlGaAs micro-tubes containing uniaxially strained quantum wells by Kubota, K, Vaccaro, P.O, Ohtani, N, Hirose, Y, Hosoda, M, Aida, T

“…We fabricated micro-tubes containing two GaAs/AlGaAs quantum wells (QWs) in a section of the tube layer, and studied the optical properties of the embedded…”
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Self-assembling GaAs mirror with electrostatic actuation using micro-origami by Fleischmann, T, Kubota, K, Vaccaro, P.O, Wang, T.-S, Saravanan, S, Saito, N

“…The fabrication of GaAs micro-mirrors with electrostatic actuation are fabricated using a strain-driven self-assembly mechanism. A mirror deflection of several…”
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Photoconductivity in stannic oxide films prepared by spray pyrolysis by VACCARO, P. O, SAURA, J

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Isothermal close-spaced vapour growth of CdTe for CdS/CdTe solar cells by VACCARO, P. O, SAURA, J

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Optical and transport studies in coupled InAs quantum dots embedded in GaAs by Inada, M, Umezu, I, Vaccaro, P.O, Yamada, S, Sugimura, A

“…We studied optical and electron transport properties of coupled InAs quantum dots (QDs) embedded in GaAs. Photoluminescence (PL) from the high dot density…”
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Si doped p- and n-type AlxGa1−xAs epilayers for high density lateral-junction LED arrays on (311)A patterned substrate by Saravanan, S., Dharmarasu, N., Vaccaro, P.O., Zanardi Ocampo, J.M., Kubota, K., Saito, N.

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Spectroscopic imaging ellipsometry of self-assembled SiGe/Si nanostructures by Alonso, M.I., Funke, S., González, A., Garriga, M., Vaccaro, P.O., Goñi, A.R., Ruiz, A., Alonso, M., Thiesen, P.H.

“…[Display omitted] •Imaging ellipsometry allows to investigate the optical response of SiGe/Si nanowires.•Spectroscopic measurements enable study of both…”
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Time resolved magneto-optical spectroscopy on InGaAs nanostructures grown on (311)A and (100)-oriented substrates by Lomascolo, M., Cingolani, R., Vaccaro, P. O., Fujita, K.

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Self-Assembly of Microstage Using Micro-Origami Technique on GaAs by Kubota, Kazuyoshi, Fleischmann, Thomas, Saravanan, Shanmugam, Vaccaro, Pablo O., Aida, Tahito

“…Authors propose a method for making complex, self-assembling micromachined structures using two types of hinges that bend toward opposite directions, called…”
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