Search Results - "Lacerda, R. G"
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Spin-Current to Charge-Current Conversion and Magnetoresistance in a Hybrid Structure of Graphene and Yttrium Iron Garnet
Published in Physical review letters (27-11-2015)“…The use of graphene in spintronic devices depends, among other things, on its ability to convert a spin excitation into an electric charge signal, a phenomenon…”
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2
Self-Aligned, Gated Arrays of Individual Nanotube and Nanowire Emitters
Published in Nano letters (01-09-2004)“…We demonstrate the production of integrated-gate nanocathodes which have a single carbon nanotube or silicon nanowire/whisker per gate aperture. The…”
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3
L‐asparaginase isolated from Streptomyces ansochromogenes promotes Th1 profile and activates CD8+ T cells in human PBMC: an in vitro investigation
Published in Journal of applied microbiology (01-05-2018)“…Aims A new L‐asparaginase produced by Streptomyces ansochromogenes UFPEDA 3420 actinobacteria was used in this study against human lymphocyte cultures to…”
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4
ZnO UV photodetector with controllable quality factor and photosensitivity
Published in AIP advances (01-02-2013)“…ZnO nanowires have an enormous potential for applications as ultra-violet (UV) photodetectors. Their mechanism of photocurrent generation is intimately related…”
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5
Thermal expansion coefficient of hydrogenated amorphous carbon
Published in Applied physics letters (13-10-2003)“…The coefficient of thermal expansion (CTE) of hydrogenated amorphous carbon (a-C:H) was investigated as a function of the concentration of sp2 hybridization…”
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6
Zinc oxide nanowires on carbon microfiber as flexible gas sensor
Published in Physica. E, Low-dimensional systems & nanostructures (01-03-2012)“…In the past years, zinc oxide nanowires (ZnO NWs) have been proven to be an excellent material for gas sensors. In this work, we used ZnO nanowires in a novel…”
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Journal Article Conference Proceeding -
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Neurotoxicity in zebrafish exposed to carbon nanotubes: Effects on neurotransmitters levels and antioxidant system
Published in Comparative biochemistry and physiology. Toxicology & pharmacology (01-04-2019)“…Given the increasing use of carbon nanotubes (CNT) in several industries and technological applications, it is essential to perform in vivo toxicological…”
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Thermally activated hysteresis in high quality graphene/h-BN devices
Published in Applied physics letters (06-06-2016)“…We report on gate hysteresis of resistance in high quality graphene/hexagonal boron nitride (h-BN) devices. We observe a thermally activated hysteretic…”
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9
Metal-graphene heterojunction modulation via H2 interaction
Published in Applied physics letters (18-07-2016)“…Combining experiment and theory, we investigate how a naturally created heterojunction (pn junction) at a graphene and metallic contact interface is modulated…”
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10
Atomic surface structure of graphene and its buffer layer on SiC(0001): A chemical-specific photoelectron diffraction approach
Published in Physical review. B, Condensed matter and materials physics (07-02-2013)“…We report a chemically specific x-ray photoelectron diffraction (XPD) investigation using synchrotron radiation of the thermally induced growth of epitaxial…”
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11
Integrated zinc oxide nanowires/carbon microfiber gas sensors
Published in Sensors and actuators. B, Chemical (28-10-2010)“…An integration of zinc oxide (ZnO) nanowires (NWs) onto carbon microfibers (μC) using electrochemical deposition and thermal oxidation approach has been…”
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12
Cap Closing of Thin Carbon Nanotubes
Published in Advanced materials (Weinheim) (23-02-2005)“…Closing individual, thin, multiwalled carbon nanotubes is performed in situ in a transmission electron microscope (see Figure). The closure of the initially…”
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13
Graphene chemical vapor deposition at very low pressure: The impact of substrate surface self-diffusion in domain shape
Published in Applied physics letters (18-08-2014)“…The initial stages of graphene chemical vapor deposition at very low pressures (<10−5 Torr) were investigated. The growth of large graphene domains (∼up to 100…”
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14
Highly efficient siRNA delivery system into human and murine cells using single-wall carbon nanotubes
Published in Nanotechnology (24-09-2010)“…Development of RNA interference (RNAi) technology utilizing short interfering RNA sequences (siRNA) has focused on creating methods for delivering siRNAs to…”
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15
Hard graphitic-like amorphous carbon films with high stress and local microscopic density
Published in Journal of vacuum science & technology. A, Vacuum, surfaces, and films (01-05-2001)“…In this work, we report unusual properties of amorphous carbon films prepared by ion beam-assisted deposition using different noble gases (neon, argon, and…”
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16
On the hardness of a-C:H films prepared by methane plasma decomposition
Published in Thin solid films (02-11-1998)“…Hard, thick, and almost stress free a-C:H films prepared by methane plasma decomposition are reported. The films were prepared on the cathode electrode of a…”
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Conference Proceeding Journal Article -
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Thermal expansion coefficient of amorphous carbon nitride thin films deposited by glow discharge
Published in Thin solid films (02-12-2002)“…The thermal expansion coefficient of a-CN x :H thin films was determined by the thermally induced bending technique. The films were deposited by glow discharge…”
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Journal Article -
18
Near-edge X-ray absorption spectroscopy signature of image potential states in multilayer epitaxial graphene
Published in Surface science (01-02-2016)“…Single layer behavior in multilayer epitaxial graphene has been a matter of intense investigation. This is due to the layer decoupling that occurs during…”
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Antimicrobial potential of actinobacteria isolated from the rhizosphere of the Caatinga biome plant Caesalpinia pyramidalis Tul
Published in Genetics and molecular research (04-03-2016)“…Actinobacteria are known to produce various secondary metabolites having antibiotic effects. This study assessed the antimicrobial potential of actinobacteria…”
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Thermomechanical properties of amorphous hydrogenated carbon-germanium alloys
Published in Applied physics. A, Materials science & processing (01-12-2000)“…Thermomechanical properties of amorphous hydrogenated carbon-germanium alloys prepared by the rf sputtering technique were determined for films in the 0 at.%…”
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