- Full Research Paper
- Published 15 Jul 2020
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Figure 1: Graphene nanomesh structures. (a) A4Z6-6, (b) A4A4-6, and (c) A4Z6-24. Purple (larger) and yellow (...
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Figure 2: Absorption spectra for different AGNRs. 6-AGNR, 7-AGNR and 8-AGNR.
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Figure 3: Absorption spectra of different GNM materials. (a) A4A4-6, Z6Z6-6 and A4Z6-6 and (b) A4A4-24, Z12Z1...
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Figure 4: Current–voltage (I–V) characteristics of (a) different GNR devices and (b) GNM and graphene devices....
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- Full Research Paper
- Published 14 Jul 2020
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Figure 1: Schematic of the SERS sensor. The figure is not to scale for the sake of clarity.
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Figure 2: SEM top-view images showing 12 Pa TiO2 samples with 3 nm of evaporated Au before (a) and after (b) ...
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Figure 3: SEM top-view images of TiO2 8 Pa with 3 nm (a), 6 nm (c), and 15 nm (e) of Au, and of TiO2 12 Pa wi...
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Figure 4: Optical transmission spectra of TiO2/Au 8 Pa (a) and 12 Pa (b) samples before and after annealing.
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Figure 5: SERS measurements. The red, green and blue lines show SERS spectra of MBA deposited on, respectivel...
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Figure 6: SERS enhancement measured for MBA of the same equivalent thickness of evaporated Au deposited on to...
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Figure 7: (a) Raman spectrum of E2 (black), SERS spectra of the empty sensor (Apt+MCH) and increasing concent...
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- Full Research Paper
- Published 13 Jul 2020
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Figure 1: (a) XRD patterns of commercially available Cu powder and Cu powder after treatment with 0.5 M HNO3....
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Figure 2: (a) Schematic of the synthesis in a microwave reactor, (b) plasma generated with metal particles un...
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Figure 3: (a) XRD patterns of carbon-coated Cu and Ni nanoparticles and ZnF2 nanorods. (b) SEM images of carb...
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Figure 4: (a) XRD patterns of CuS nanorods synthesized in the presence of sulfur by microwave irradiation of ...
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Figure 5: (a, b) TEM images of few-layered graphene partially rolled into nanoscrolls synthesized by irradiat...
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Supp. Info
- Full Research Paper
- Published 10 Jul 2020
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Figure 1: SEM of Te films grown: a) on Pyrex glass at a rate of 10 nm/s and b) on nanostructured Al2O3 substr...
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Figure 2: XRD diffraction patterns of Te films grown on Pyrex glass (A) or nanostructured Al2O3 (B) substrate...
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Figure 3: Normalized dynamic response of a microcrystalline (red), nanocrystalline (blue) and amorphous (blac...
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Figure 4: Transient characteristics of gas-induced current in nanocrystalline Te films, at different temperat...
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Figure 5: Transient characteristics of gas-induced current in amorphous nanostructured Te films (blue curve) ...
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Figure 6: Comparison of the gas-sensing properties of nanocrystalline and amorphous nanostructured Te-based f...
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- Full Research Paper
- Published 08 Jul 2020
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Figure 1: Schematic illustration of FGDA nanocube synthesis. Briefly, a mixture containing sodium oleate, wat...
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Figure 2: TEM and HRTEM images of FGOA (a) and FGDA (b, c) nanocubes with their respective size distributions...
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Figure 3: (a) T1-weigted MRI of FGDA nanocubes (top panel) and Gd2O3 nanoparticles (bottom panel). (b) Longit...
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Figure 4: (a) CCK-8 cell viability test of L929 cells incubated with FGDA at different Fe concentrations for ...
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Figure 5: (a) T1WI and T2WI in vivo images of SD rats before and after intravenous injection of FGDA nanocube...
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- Full Research Paper
- Published 07 Jul 2020
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Figure 1: (A, B) Shear viscosity and shear stress of bare chitosan solutions (black lines) and chitosan solut...
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Figure 2: Vibrating sample magnetometer analysis of bare IOPs (brown line), bare chitosan fibers (dashed blac...
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Figure 3: Helical IOP-embedded chitosan microfibers were prepared by wet-spinning and manual winding. (A) A r...
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Figure 4: Mechanical characteristics of IOP-embedded helical chitosan fibers showed different deformation reg...
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Figure 5: Freeze frames from a video showing attraction to and reversible stretching of a helical fiber by a ...
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Figure 6: Scheme of the wet-spinning process that generated helical microfibers. A solution of chitosan and m...
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- Published 02 Jul 2020
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Figure 1: Two-dimensional coordinate system and fluid flow mechanism of a nanoparticle suspension.
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Figure 2: Influence of the slip parameter for liquids ξ on the streamwise velocity component f´(η) when n = 2...
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Figure 3: Influence of the slip parameter for liquids ξ on the temperature distribution θ(η) when n = 2.0, M ...
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Figure 4: Influence of the slip parameter for liquids ξ on the concentration distribution ϕ(η) when n = 2.0, M...
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Figure 5: Influence of the stretching parameter n on the streamwise velocity component f´(η) when ξ = M = Q =...
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Figure 6: Influence of the stretching parameter n on the temperature distribution θ(η) when ξ = 1.0, M = Q = ...
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Figure 7: Influence of the stretching parameter n on the concentration distribution ϕ(η) when ξ = 1.0, M = Q ...
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Figure 8: Influence of the Brownian motion parameter Nb on the temperature distribution, θ(η) when n = 2.0, ξ...
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Figure 9: Influence of the Brownian motion parameter Nb on the concentration distribution ϕ(η) when n = 2.0, ...
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Figure 10: Influence of the thermophoresis parameter Nt on the temperature distribution θ(η) when n = 2.0, ξ =...
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Figure 11: Influence of the thermophoresis parameter Nt on the concentration distribution ϕ(η) when n = 2.0, ξ...
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Figure 12: Influence of the magnetic parameter M on the streamwise velocity component f´(η) when n = 2.0, Pr =...
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Figure 13: Influence of the magnetic parameter M on the temperature distribution θ(η) when n = 2.0, Pr = 2.0, ...
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Figure 14: Influence of magnetic parameter M on the concentration distribution ϕ(η) when n = 2.0, Pr = 2.0, Nb...
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Figure 15: Influence of the heat generation/absorption coefficient Q on the streamwise velocity component f´(η...
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Figure 16: Influence of the heat generation/absorption coefficient Q on the temperature distribution θ(η) when ...
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Figure 17: Influence of the heat generation/absorption coefficient Q on the concentration distribution ϕ(η) wh...
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Electrochemical nanostructuring of (111) oriented GaAs crystals: from porous structures to nanowires
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- Published 29 Jun 2020
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Figure 1: SEM images in cross section of porous GaAs layers for three different conditions of anodization in ...
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Figure 2: (A–C) SEM images in cross section at higher magnification of the porous layers obtained by anodizat...
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Figure 3: (A) SEM images of the formation of interrupted GaAs nanowires on the (111)B surface anodized in NaC...
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Figure 4: (A) SEM image in cross section of a GaAs(111)B sample anodized at 3 V for 20 min in 1 M HNO3. (B, C...
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Figure 5: PL spectra of bulk (curve 1) and anodized (curve 2) GaAs samples measured at a temperature of 10 K.
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Figure 6: XRD pattern of the anodized GaAs(111)B sample.
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Figure 7: (A) Optical microscopy image of the opened regions in the photoresist on the glass substrate for de...
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Figure 8: Current–voltage characteristics measured in dark (curve 1) and under IR illumination with power den...
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- Full Research Paper
- Published 23 Jun 2020
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Figure 1: Experimentally measured histogram P(ISW) of switching the Josephson junction to the resistive state...
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Figure 2: Temperature dependence of the mean switching current (left axis, red dots) and its standard deviati...
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Figure 3: Experimental lifetime as function of the bias current for different sample temperatures (symbols) a...
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Figure 4: Detection probability of 9 GHz 50 ms pulses of different power (signal attenuation) for different v...
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- Full Research Paper
- Published 22 Jun 2020
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Figure 1: Scanning electron micrographs of (a) a commercial titanium felt, (b) the acid-treated felt, (c) the...
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Figure 2: Linear sweep voltammograms for Ti felts A and B coated with catalyst (1:1 Pt/Ir 0.75 mg·cm−2) by th...
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Figure 3: (a–c) Scanning electron micrographs of titanium felts with different porosities after anodization i...
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Figure 4: Linear sweep voltammograms of titanium felts with two different porosities, felt A (dashed line) an...
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Figure 5: Stability analysis of catalyst coated titanium felts using a) the thermal deposition method and b) ...
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